JW Series Datasheet by Panasonic Electric Works

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© Panasonic Corporation 2018
1
industrial.panasonic.com/ac/e/ ASCTB190E 201903
2019.03
ORDERING INFORMATION
TYPICAL APPLICATIONS
FEATURES
JW RELAYS
1a/1c/2a/2c/5A/10A
power relays
for power supply
1. Miniature package with universal
terminal footprint
2. High dielectric withstanding for
transient protection:
10,000 V surge in μs between coil and
contact
3. Sealed construction
4. Class B coil insulation types
available
5. VDE, TÜV, SEMKO, SEV, FIMKO also
approved
6. Sockets are available
1. Home appliances
TV sets, VCR, Microwave ovens
2. Office machines
Photocopiers, Vending machines
3. IIndustrial equipment
NC machines, Robots, Temperature
controllers
Protective construction: Flux-resistant
type/Sealed type
Contact arrangement
1:
1a:
2:
2a:
1 Form C
1 Form A
2 Form C
2 Form A
Contact capacity
Nil:
F:
Standard (5 A)
High capacity (10 A)*
JW N
Protective construction
S:
H:
Sealed type
Flux-resistant type
Coil insulation class
Nil:
B:
Class E insulation
Class B insulation
Pick-up voltage
N: 70% of nominal voltage
Nominal coil voltage
DC5V, DC6V, DC9V, DC12V, DC24V, DC48V
Contact material
F: AgSnO2 type (1a)
Nil: AgNi type (1c, 2a, 2c)
Automation Controls Catalog
3)1 Form C Smndard (5A) :ype 4) 1 Form C ngh capacxly (10A) Iype 6) 2 Form C Slandard (5A) Iype
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© Panasonic Corporation 2019 ASCTB190E 201903
* Sockets available.
RATING
TYPES
Standard packing: Carton 100 pcs. Case 500 pcs. Standard packing: Carton 100 pcs. Case 500 pcs.
1) 1 Form A Standard (5A) type
Nominal coil
voltage
Sealed type Flux-resistant type
Part No. Part No.
5V DC JW1aSN-DC5V-F JW1aHN-DC5V-F
6V DC JW1aSN-DC6V-F JW1aHN-DC6V-F
9V DC JW1aSN-DC9V-F JW1aHN-DC9V-F
12V DC JW1aSN-DC12V-F JW1aHN-DC12V-F
24V DC JW1aSN-DC24V-F JW1aHN-DC24V-F
48V DC JW1aSN-DC48V-F JW1aHN-DC48V-F
2) 1 Form A High capacity (10 A) type
Nominal coil
voltage
Sealed type Flux-resistant type
Part No. Part No.
5V DC JW1aFSN-DC5V-F JW1aFHN-DC5V-F
6V DC JW1aFSN-DC6V-F JW1aFHN-DC6V-F
9V DC JW1aFSN-DC9V-F JW1aFHN-DC9V-F
12V DC JW1aFSN-DC12V-F JW1aFHN-DC12V-F
24V DC JW1aFSN-DC24V-F JW1aFHN-DC24V-F
48V DC JW1aFSN-DC48V-F JW1aFHN-DC48V-F
Standard packing: Carton 100 pcs. Case 500 pcs. Standard packing: Carton 100 pcs. Case 500 pcs.
3) 1 Form C Standard (5A) type 4) 1 Form C High capacity (10 A) type
Standard packing: Carton 100 pcs. Case 500 pcs. Standard packing: Carton 100 pcs. Case 500 pcs.
Note: Class B coil insulation type is available.
Ex) JW1aSN-B-DC12V-F
5) 2 Form A Standard (5A) type 6) 2 Form C Standard (5A) type
Nominal coil
voltage
Sealed type Flux-resistant type
Part No. Part No.
5V DC JW1SN-DC5V JW1HN-DC5V
6V DC JW1SN-DC6V JW1HN-DC6V
9V DC JW1SN-DC9V JW1HN-DC9V
12V DC JW1SN-DC12V JW1HN-DC12V
24V DC JW1SN-DC24V JW1HN-DC24V
48V DC JW1SN-DC48V JW1HN-DC48V
Nominal coil
voltage
Sealed type Flux-resistant type
Part No. Part No.
5V DC JW1FSN-DC5V JW1FHN-DC5V
6V DC JW1FSN-DC6V JW1FHN-DC6V
9V DC JW1FSN-DC9V JW1FHN-DC9V
12V DC JW1FSN-DC12V JW1FHN-DC12V
24V DC JW1FSN-DC24V JW1FHN-DC24V
48V DC JW1FSN-DC48V JW1FHN-DC48V
Nominal coil
voltage
Sealed type Flux-resistant type
Part No. Part No.
5V DC JW2aSN-DC5V JW2aHN-DC5V
6V DC JW2aSN-DC6V JW2aHN-DC6V
9V DC JW2aSN-DC9V JW2aHN-DC9V
12V DC JW2aSN-DC12V JW2aHN-DC12V
24V DC JW2aSN-DC24V JW2aHN-DC24V
48V DC JW2aSN-DC48V JW2aHN-DC48V
Nominal coil
voltage
Sealed type Flux-resistant type
Part No. Part No.
5V DC JW2SN-DC5V JW2HN-DC5V
6V DC JW2SN-DC6V JW2HN-DC6V
9V DC JW2SN-DC9V JW2HN-DC9V
12V DC JW2SN-DC12V JW2HN-DC12V
24V DC JW2SN-DC24V JW2HN-DC24V
48V DC JW2SN-DC48V JW2HN-DC48V
1.Coil data
• Operating characteristics such as ‘Operate voltage’ and ‘Release voltage’ are influenced by mounting conditions, ambient temperature, etc.
Therefore, please use the relay within ± 5% of rated coil voltage.
• ‘Initial’ means the condition of products at the time of delivery.
Nominal coil
voltage
Pick-up voltage
(at 20°C 68°F)
Drop-out voltage
(at 20°C 68°F)
Nominal operating
current
[±10%] (at 20°C 68°F)
Coil resistance
[±10%] (at 20°C 68°F)
Nominal operating
power
Max. applied voltage
(at 20°C 68°F)
5V DC 106mA 47Ω
530mW
130%V of
nominal voltage
(at 60°C 140°F)
120%V of
nominal voltage
(at 85°C 185°F)*4
6V DC
70%V or less of 10%V or more of
88mA 68Ω
9V DC 58mA 155Ω
nominal voltage nominal voltage
12V DC 44mA 270Ω
(Initial) (Initial)
24V DC 22mA 1,100Ω
48V DC 11mA 4,400Ω
Note : The pick-up and drop out voltages rise approximately 0.4% for every 1°C 33.8°F given a standard ambient temperature of 20°C 68°F. Therefore, when using relays
where the ambient temperature is high, please take into consideration the rise in pick-up and drop out voltages and keep the coil applied voltage within the maximum
applied voltage.
m me u:
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2. Specifications
* Specifications will vary with foreign standards certification ratings.
Notes: *1. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the
actual load.
*2. Wave is standard shock voltage of ±1.2×50μs according to JEC-212-1981
*3. The upper limit of the ambient temperature is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage
conditions in NOTES.
*4. The pick-up and drop out voltages rise approximately 0.4% for every 1°C 33.8°F given a standard ambient temperature of 20°C 68°F. Therefore, when using relays
where the ambient temperature is high, please take into consideration the rise in pick-up and drop out voltages and keep the coil applied voltage within the
maximum applied voltage.
REFERENCE DATA
1. Maximum operating power 3. Life curve
1 Form A Standard (5 A) type
2. Operate/release time
Sample: JW1aSN-DC12V-F, 10 pcs.
Ambient temperature: 20°C 68°F
Characteristics Item Specifications
Standard type High capacity type
Contact
Contact material 1 Form A: AgSnO2 type
1 Form C, 2 Form A and 2 Form C: AgNi type
Arrangement 1 Form A, 1 Form C, 2 Form A and 2 Form C 1 Form A and 1 Form C
Contact resistance (Initial) Max. 100 mΩ (By voltage drop 6 V DC 1A)
Rating
Nominal switching capacity (resistive load) 5A 250V AC, 5A 30V DC 10A 250V AC, 10A 30V DC
Max. switching power (resistive load) 1,250VA, 150W 2,500VA, 300W
Max. switching voltage 250V AC, 30V DC
Max. switching current 5A 10A
Min. switching capacity (reference value)*1100mA, 5V DC
Electrical
characteristics
Insulation resistance (Initial) Min. 1,000MΩ (at 500V DC) Measurement at same location as “Breakdown voltage” section.
Breakdown voltage
(Initial)
Between open contacts 1,000 Vrms for 1 min. (Detection current: 10 mA)
Between contact and coil 5,000 Vrms for 1 min. (Detection current: 10 mA)
Between contact sets 3,000 Vrms for 1 min. (2 Form A, 2 Form C) (Detection current: 10 mA)
Surge breakdown voltage*2
(Between contact and coil) (Initial) 10,000 V
Operate time (at nominal voltage) (at 20°C 68°F) Max. 15 ms (excluding contact bounce time.)
Release time (at nominal voltage) (at 20°C 68°F) Max. 5 ms (excluding contact bounce time) (Without diode)
Mechanical
characteristics
Shock resistance Functional 98 m/s2 (Half-wave pulse of sine wave: 11 ms; detection time: 10µs.)
Destructive 980 m/s2 (Half-wave pulse of sine wave: 6 ms.)
Vibration resistance Functional 10 to 55 Hz at double amplitude of 1.6 mm (Detection time: 10µs.)
Destructive 10 to 55 Hz at double amplitude of 2.0 mm
Expected life Mechanical (at 180 times/min.) Min. 5×106
Conditions Conditions for operation, transport and storage*3
Ambient temperature*4: –40°C to +60°C –40°F to 140°F (Class E),
(Class B: –40°C to +85°C –40°F to 185°F)
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
Unit weight Approx. 13 g .46 oz
3. Electrical life
Condition: Resistive load, at 6 times/min.
Types Switching capacity No. of operations
1 Form A, 1 Form C,
2 Form A, 2 Form C
5A 250V AC Min. 1×105
5A 30V DC Min. 1×105
1 Form A, 1 Form C 10A 250V AC Min. 1×105
10A 30V DC Min. 1×105
JW 1 Form A Standard (5A) type
10
100
10 100 1,000
1
Contact voltage, V
AC resistive
load
DC resistive
load
Contact current, A
100
10
5 10 15
Contact current, A
Life, ×104
250 V AC resistive load
30 V DC resistive load
80 90 100 110 120
5
0
10
Min.
Max.
Min.
x
-
x
-
Max.
Coil applied voltage, %V
Operate/release time, ms
Operate time
Release time
m m m mu me me we 10
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© Panasonic Corporation 2019 ASCTB190E 201903
1. Maximum operating power 3. Life curve2. Operate/release time
Sample: JW1aFSN-DC12V, 10 pcs.
Ambient temperature: 20°C 68°F
JW 1 Form A High Capacity (10 A) type
10
100
10 100 1,000
1
Contact voltage, V
AC resistive
load
DC resistive
load
Contact current, A
80 90 100 110 120
5
0
10
Min.
Max.
Min.
x
-
x
-
Max.
Coil applied voltage, %V
Operate/release time, ms
Operate time
Release time
100
10
16 8 100 2 4 12
Contact current, A
Life, ×104
250 V AC resistive load
30 V DC resistive load
4-(1). Coil temperature rise
(Contact carrying current: 5A)
Sample JW1aFSN-DC12V-F
Point measured: Inside the coil
4-(2). Coil temperature rise
(Contact carrying current: 10 A)
Sample: JW1aFSN-DC12V-F
Point measured: Inside the coil
1-(3). Maximum operating power 1. Maximum operating power2. Operate/release time
Sample: JW1SN-DC12V-F, 6 pcs.
Ambient temperature: 20°C 68°F
JW 1 Form C Standard (5 A) type JW 1 Form C High Capacity (10 A) type
10
10 100 1,000
1
0
Contact voltage, V
AC resistive load (cosϕ = 1.0)
Contact current, A
Max.
Min.
13
12
11
10
9
6
4
80 90 100 110
8
7
3
22
1
5
80 90 110 130120120
Max.
Min.
Max.
Min.
x
-
x
-
Coil applied voltage, %V
Operate/release time, ms
1. Maximum operating power 2. Operate/release time
Sample: JW2aSN-DC24V-F, 6 pcs.
Ambient temperature: 20°C 68°F
JW 2 Form A Standard (5 A) type
14
13
12
10
8
6
4
2
80 90 100 110 120
14
13
12
10
8
6
4
2
80 90 100 110 120
Min.
x
-
x
-
Coil applied voltage, %V
Operate/release time, ms
Operate time
Release time Max.
Max.
Min.
100 140120 160
10
20
30
40
50
60
70
0
Coil applied voltage, %V
Temperature rise, °C
85°C
60°C
25°C
100 140120 160
10
20
30
40
50
60
70
0
Coil applied voltage, %V
Temperature rise, °C
85°C
60°C
25°C
10
10 100 1,000
1
0
Contact voltage, V
AC resistive load (cosφ = 1.0)
Contact current, A
10
10 100 1,000
1
0
Contact voltage, V
AC resistive load (cosϕ = 1.0)
Contact current, A
JW L; A V _ ,
JW
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DIMENSIONS (mm inch)
Wiring diagram (Bottom view)External dimensions
Tolerance: ±0.1 ±.004
PC board pattern (Bottom view)
1. Maximum operating power 2. Operate/release time
Sample: JW2SN-DC12V-F, 6 pcs.
Ambient temperature: 20°C 68°F
JW 2 Form C Standard (5 A) type
10
10 100 1,000
1
0
Contact voltage, V
Contact current, A
AC resistive load (cosϕ = 1.0)
9
8
7
6
5
4
3
2
1
080 90 100 110 120 130
Max.
Coil applied voltage, %V
Operate/release time, ms
Operate time
Release time
Min.
Max.
Min.
Max.
x
-
x
-
JW 1 Form A
Note: Terminal numbers are not indicated
on the relay.
COM
N.O.
Coil
4
6
18
0.5
0.30.3
0.4
12.8
7.6
1.1
2.4
3.5
0.9
28.6 20
20
3.6
.020
.012.012
.016
.504
.299
.043
.094
.138
.035
1.126 .787
.787
.142
Relay outline
12.8
.504
7.6
.299
20.0
.787
2.4
.094
4-1.5 dia.
4-.059 dia.
3.5
.138
Dimension:
Less than 1mm .039inch:
Min. 1mm .039inch
less than 3mm .118 inch:
Min. 3mm .118 inch:
General tolerance
±0.1 ±.004
±0.2 ±.008
±0.3 ±.012
Wiring diagram (Bottom view)External dimensions
Tolerance: ±0.1 ±.004
PC board pattern (Bottom view)
JW 1 Form A
Note: Terminal numbers are not indicated
on the relay.
Dimension:
Less than 1mm .039inch:
Min. 1mm .039inch
less than 3mm .118 inch:
Min. 3mm .118 inch:
General tolerance
±0.1 ±.004
±0.2 ±.008
±0.3 ±.012
20
.787
0.4
.016
3.6
.142
0.5
.020
0.3
0.5
.012
.020
0.3
.012
1.1
.043
2.4
.094
3.5
.138
3.5
.138
16.5
.650
28.6
1.128
0.8
.031
7.6
.299
12.8
.504 Relay outline
5-1.5 dia.
5-.059 dia.
16.5
.650
3.5
.138
3.5
.138
2.4
.094
7.6
.299
COM
N.C.
N.O.
Coil
4
26
1 8
CAD The CAD data of the products with a “CAD” mark can be downloaded from our Website.
CAD
CAD
{Tl LU Lgl SAFETY STANDARDS
JW
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© Panasonic Corporation 2019 ASCTB190E 201903
SAFETY STANDARDS
Wiring diagram (Bottom view)External dimensions
PC board pattern (Bottom view)
JW 2 Form A and 2 Form C
Note: Terminal numbers are not indicated
on the relay.
Dimension:
Less than 1mm .039inch:
Min. 1mm .039inch
less than 3mm .118 inch:
Min. 3mm .118 inch:
General tolerance
±0.1 ±.004
±0.2 ±.008
±0.3 ±.012
COM
N.O.
N.C.
4
3
2
5
6
7
Coil
1 8
Relay outline
7.5
.295
1.3
.051 5
.197
5
.197
15
.591
8-1.5 dia.
8-.059 dia.
20
.787
0.4
.016
3.6
.142
0.5
.020
0.5
.020
0.3
.012
0.3
.012
1.1
.043
1.3
.051
5
5
.197
.197
15
.591
28.6
1.128
7.5
.295
12.8
.504
0.8
.031
Note: JW 2 Form A is as shown in the diagram above except the N.C. terminals are not present.
Types UL/C-UL (Recognized) CSA (Certified)
File No. Contact rating File No. Contact rating Cycles
Standard type 1
Form A E43028
5A 277V AC
LR26550
5A 277V AC
5A 30V DC 5A 30V DC
1/8HP 250V AC 1/8HP 250V AC 105
1/8HP 125V AC 1/8HP 125V AC 105
Standard type 1
Form C E43028
5A 277V AC
LR26550
5A 277V AC
5A 30V DC 5A 30V DC
1/8HP 250V AC 1/8HP 250V AC
1/8HP 125V AC 1/8HP 125V AC
Standard type 2
Form A E43028
5A 277V AC
LR26550
5A 277V AC
5A 30V DC 5A 30V DC 105
1/8HP 250V AC 1/8HP 250V AC
1/8HP 125V AC 1/8HP 125V AC
Standard type 2
Form C E43028
5A 277V AC
LR26550
5A 277V AC
5A 30V DC 5A 30V DC 105
1/8HP 250V AC 1/8HP 250V AC
1/8HP 125V AC 1/8HP 125V AC
High capacity type
1 Form A E43028
10A 277V AC
LR26550
10A 277V AC
10A 30V DC 10A 30V DC
1/3HP 250V AC 1/3HP 250V AC 105
1/3HP 125V AC 1/3HP 125V AC 105
High capacity type
1 Form C E43028
10A 277V AC
LR26550
10A 277V AC 3×104
10A 30V DC 10A 30V DC 3×104
1/3HP 250V AC 1/3HP 250V AC 3×104
1/3HP 125V AC 1/3HP 125V AC 3×104
Tolerance: ±0.1 ±.004
CAD
ENIIEC VDE Certified INSULATION CHARACTERISTICS (IEC61810-1)
JW
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EN/IEC VDE Certified
INSULATION CHARACTERISTICS (IEC61810-1)
NOTES
1. For cautions for use, please read “GENERAL APPLICATION GUIDELINES”.
Please refer to "the latest product specifications"
when designing your product.
• Requests to customers :
https://industrial.panasonic.com/ac/e/salespolicies/
Types VDE (Certified) CQC
File No. Contact rating Cycles Temperature File No. Rating Temperature
Standard type 1
Form A 40013854 5A 250V AC (cosφ =1.0) 5×10485°C 185°F
CQC10002041727
5A 250V AC 60°C 140°F
3A 250V AC (cosφ =0.4) 10585°C 185°F
Standard type 1
Form C 40013854
5A 250V AC (cosφ =1.0) 10485°C 185°F
5A 250V AC 60°C 140°F5A 30V DC (0ms) 10485°C 185°F
3A 250V AC (cosφ =0.4) 10485°C 185°F
Standard type 2
Form A 40013854
5A 250V AC (cosφ =1.0) 10485°C 185°F
5A 250V AC 60°C 140°F5A 30V DC (0ms) 10485°C 185°F
3A 250V AC (cosφ =0.4) 10485°C 185°F
Standard type 2
Form C 40013854
5A 250V AC (cosφ =1.0) 10485°C 185°F
5A 250V AC 60°C 140°F5A 30V DC (0ms) 10485°C 185°F
3A 250V AC (cosφ =0.4) 10485°C 185°F
High capacity type
1 Form A 40013854 10A 250V AC (cosφ =1.0) 5×10485°C 185°F 10A 250V AC 60°C 140°F
7A 250V AC (cosφ =0.4) 10585°C 185°F
High capacity type
1 Form C 40013854
10A 250V AC (cosφ =1.0) 10485°C 185°F
10A 250V AC 60°C 140°F10A 30V DC (0ms) 10485°C 185°F
7A 250V AC (cosφ =0.4) 10485°C 185°F
Item Characteristics
Clearance/Creepage distance (IEC61810-1) Min. 5.5/8.0mm
Category of protection (IEC61810-1) RT II, III
Tracking resistance (IEC60112) PTI 175
Insulation material group III a
Over voltage category III
Rated voltage 250V
Pollution degree 3
Type of insulation (Between contact and coil) Reinforced insulation
Type of insulation (Between open contacts) Micro disconnection
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© Panasonic Corporation 2019
1
industrial.panasonic.com/ac/e/ ASCTB108E 201903
2019.03
TYPES
FEATURES
JW RELAY
PC BOARD SOCKETS
ACCESSORIES
Space saving design
Product name Number of
poles Part No. Applicable relay type Standard packing
1 Form A 1 Form C 2 Form A 2 Form C Inner carton Outer case
JW1 PC board socket 1 JW1-PS ● ● 10 pcs. 100 pcs.
JW2 PC board socket 2 JW2-PS ● ●
SPECIFICATIONS
Type
Item
PC board socket
1 pole 2 poles
Breakdown voltage 1,500 Vrms for 1 minute
Insulation resistance Min. 100 MΩ
DIMENSIONS (mm inch)
PC board pattern (Bottom view)
1 Form A
1 Form C
External dimensions
PC board socket
(4.4) 16.5 3.5
3.5
7.6
5-1.3 dia.
.650 .138
.138
.299
5-.051 dia.
(.173)
(4) 5515
7.5
8-1.3 dia.
.197.197.591
.295
8-.051 dia.
(.157)
32±0.6
13±0.6
0.8±0.1
21.5±0.6
4±0.6
6.7±0.3
Pre-soldering
0.3±0.1
0.35±0.1
1.260±.024
.512±.024
.031±.004
.846±.024
.157±.024
.264±.012
.012±.004
.014±.004
Tolerance: ±0.1 ±.004
CAD The CAD data of the products with a “CAD” mark can be downloaded from our Website.
CAD
Panasonic Corporation 2019
c
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Humidity, %R.H.
Allowable range
85
5
0 85–40
(Avoid
condensation
when used at
temperatures
higher than
0°C
(Avoid icing
when used at
temperatures
lower than 0°C)
Ambient temperature, °C
)
GUIDELINES FOR POWER RELAYS AND HIGH-CAPACITY DC CUT OFF RELAYS USAGE
Long term current carrying
A circuit that will be carrying a current continuously for long periods
without relay switching operation. (circuits for emergency lamps, alarm
devices and error inspection that, for example, revert only during
malfunction and output warnings with form B contacts) Continuous,
long-term current to the coil will facilitate deterioration of coil insulation
and characteristics due to heating of the coil itself.
For circuits such as these, please use a magnetic-hold type latching
relay. If you need to use a single stable relay, use a sealed type relay
that is not easily affected by ambient conditions and make a failsafe
circuit design that considers the possibility of contact failure or
disconnection.
DC Coil operating power
Steady state DC current should be applied to the coil. The wave form
should be rectangular. If it includes ripple, the ripple factor should be
less than 5%.
However, please check with the actual circuit since the electrical
characteristics may vary. The rated coil voltage should be applied to
the coil and the set/reset pulse time of latching type relay differs for
each relays, please refer to the relay's individual specifications.
Coil connection
When connecting coils of polarized relays, please check coil polarity
(+,-) at the internal connection diagram (Schematic). If any wrong
connection is made, it may cause unexpected malfunction, like
abnormal heat, fire and so on, and circuit do not work. Avoid
impressing voltages to the set coil and reset coil at the same time.
Usage, Transport, and Storage Conditions
During usage, storage, or transportation, avoid locations
subjected to direct sunlight and maintain normal temperature,
humidity and pressure conditions.
Temperature/Humidity/Pressure
When transporting or storing relays while they are tube
packaged, there are cases the temperature may differ from the
allowable range. In this case be sure to check the individual
specifications. Also allowable humidity level is influenced by
temperature, please check charts shown below and use relays
within mentioned conditions. (Allowable temperature values
differ for each relays, please refer to the relay's individual
specifications.)
Maximum allowable voltage and temperature rise
Proper usage requires that the rated coil voltage be impressed on the
coil. Note, however, that if a voltage greater than or equal to the
maximum continuous voltage is impressed on the coil, the coil may
burn or its layers short due to the temperature rise. Furthermore, do
not exceed the usable ambient temperature range listed in the catalog.
Operate voltage change due to coil temperature rise
(Hot start)
In DC relays, after continuous passage of current in the coil, if the
current is turned OFF, then immediately turned ON again, due to the
temperature rise in the coil, the pick-up voltage will become somewhat
higher. Also, it will be the same as using it in a higher temperature
atmosphere. The resistance/temperature relationship for copper wire
is about 0.4% for 1°C, and with this ratio the coil resistance increases.
That is, in order to operate of the relay, it is necessary that the voltage
be higher than the pick-up voltage and the pick-up voltage rises in
accordance with the increase in the resistance value. However, for
some polarized relays, this rate of change is considerably smaller.
Precautions for Coil Input
Ambient Environment
For cautions for use, please read “GUIDELINES FOR RELAY USAGE”.
https://industrial.panasonic.com/ac/e/control/relay/cautions_use/index.jsp
1) Temperature:
The tolerance temperature range differs for each relays,
please refer to the relay’s individual specifications
2) Humidity:
5 to 85 % RH
3) Pressure:
86 to 106 kPa
Dew condensation
Condensation occurs when the ambient temperature drops
suddenly from a high temperature and humidity, or the relay is
suddenly transferred from a low ambient temperature to a high
temperature and humidity. Condensation causes the failures like
insulation deterioration, wire disconnection and rust etc.
Panasonic Corporation does not guarantee the failures caused
by condensation.
The heat conduction by the equipment may accelerate the
cooling of device itself, and the condensation may occur.
Please conduct product evaluations in the worst condition of
the actual usage. (Special attention should be paid when high
temperature heating parts are close to the device. Also please
consider the condensation may occur inside of the device.)
Icing
Condensation or other moisture may freeze on relays when the
temperature become lower than 0°C.This icing causes the sticking of
movable portion, the operation delay and the contact conduction failure
etc. Panasonic Corporation does not guarantee the failures caused by
the icing.
The heat conduction by the equipment may accelerate the cooling of
relay itself and the icing may occur. Please conduct product
evaluations in the worst condition of the actual usage.
Low temperature and low humidity
The plastic becomes brittle if the switch is exposed to a low
temperature, low humidity environment for long periods of time.
High temperature and high humidity
Storage for extended periods of time (including transportation periods)
at high temperature or high humidity levels or in atmospheres with
organic gases or sulfide gases may cause a sulfide film or oxide film to
form on the surfaces of the contacts and/or it may interfere with the
functions. Check out the atmosphere in which the units are to be
stored and transported.
ASCTB412E 201903
Panasonic Corporation Electromechanical Control Business Division
industrial.panasonic.com/ac/e/ Panasonic Corporation 2019
c
-2-
GUIDELINES FOR POWER RELAYS AND HIGH-CAPACITY DC CUT OFF RELAYS USAGE
Package
In terms of the packing format used, make every effort to keep the
effects of moisture, organic gases and sulfide gases to the absolute
minimum.
Silicon
When a source of silicone substances (silicone rubber, silicone oil,
silicone coating materials and silicone filling materials etc.) is used
around the relay, the silicone gas (low molecular siloxane etc.) may be
produced.
This silicone gas may penetrate into the inside of the relay. When the
relay is kept and used in this condition, silicone compound may adhere
to the relay contacts which may cause the contact failure. Do not use
any sources of silicone gas around the relay (Including plastic seal
types).
Others
Cleaning
1) Although the environmentally sealed type relay (plastic sealed type,
etc.) can be cleaned, avoid immersing the relay into cold liquid (such
as cleaning solvent) immediately after soldering. Doing so may
deteriorate the sealing performance.
2) Cleaning with the boiling method is recommended(The temperature
of cleaning liquid should be 40°C or lower ).
Avoid ultrasonic cleaning on relays. Use of ultrasonic cleaning may
cause breaks in the coil or slight sticking of the contacts due to
ultrasonic energy.
Please refer to "the latest product specifications"
when designing your product.
•Requests to customers:
https://industrial.panasonic.com/ac/e/salespolicies/
NOx Generation
When relay is used in an atmosphere high in humidity to switch a load
which easily produces an arc, the NOx created by the arc and the
water absorbed from outside the relay combine to produce nitric acid.
This corrodes the internal metal parts and adversely affects operation.
Avoid use at an ambient humidity of 85%RH or higher (at 20°C). If use
at high humidity is unavoidable, please contact our sales
representative.
ASCTB412E 201903
P‘ease comm. Panasonic Corporation E‘sdmmechamca‘ Cuntm‘ Buxlnesx Dlvmon I H306, Daza Kadoma, Kauomarihw, Osaka 57‘78506, Jauan Industrlal.panasomc.com/ac/e/ Panasonic @Panammc Corpavauan Spmmat on: ave gamed to (hanga wuhou‘ Home
2019
ASCTB190E-1 201903

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