Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562
FEATURES:
• Switching capacity up to 20A
• Small size and light weight
• Low coil power consumption
• High contact load
• Strong resistance to shock and vibration
E197851
L x 27.6 x 26.0 mm
CONTACT DATA
Contact Arrangement 1A, 1B, 1C = SPST N.O., SPST N.C., SPDT
2A, 2B, 2C = DPST N.O., DPST N.C., DPDT
3A, 3B, 3C = 3PST N.O., 3PST N.C., 3PDT
4A, 4B, 4C = 4PST N.O., 4PST N.C., 4PDT
Contact Rating 1 Pole: 20A @ 277VAC & 28VDC
2 Pole: 12A @ 250VAC & 28VDC; 10A @ 277VAC; ½ hp @ 125VAC
3 Pole: 12A @ 250VAC & 28VDC; 10A @ 277VAC; ½ hp @ 125VAC
4 Pole: 12A @ 250VAC & 28VDC; 10A @ 277VAC; ½ hp @ 125VAC
Contact Resistance < 50 milliohms initial
Contact Material AgCdO
Maximum Switching Power 5540VA, 560W
Maximum Switching Voltage 300VAC
Maximum Switching Current 20A
DC COIL DATA
Coil Voltage
VDC
Coil Resistance
Ω ± 10%
Rated Max. .9W 1.4W 1.5W
Pick Up Voltage
VDC (max)
75%
of rated voltage
Release Voltage
VDC (min)
10%
of rated voltage
Coil
Power
W
Operate Time
ms
Release Time
ms
6 6.6 40 N/A N/A 4.5 .6
12 13.2 160 100 96 9.0 1.2
24 26.4 650 400 360 18 2.4
36 39.6 1500 900 865 27 3.6
48 52.8 2600 1600 1540 36 4.8
110 121.0 11000 8400 6800 82.5 11.0
220 242.0 53778 34571 32267 165.0 22.0
.9
1.4
1.5
25
25
AC COIL DATA
Coil Voltage
VAC
Coil Resistance
Ω ± 10%
Rated Max. 1.2VA 2.0VA 2.5VA
Pick Up Voltage
VDC (max)
80%
of rated voltage
Release Voltage
VDC (min)
30%
of rated voltage
Coil
Power
W
Operate Time
ms
Release Time
ms
6 6.6 11.5 N/A N/A 4.8 1.8
12 13.2 46 25.5 20 9.6 3.6
24 26.4 184 102 80 19.2 7.2
36 39.6 370 230 180 28.8 10.8
48 52.8 735 410 320 38.4 14.4
110 121.0 3900 2300 1680 88.0 33.0
120 132.0 4550 2530 1990 96.0 36.0
220 242.0 14400 8600 3700 176.0 66.0
240 312.0 19000 10555 8280 192.0 72.0
1.2
2.0
2.5
25
25
WJ151
Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562
GENERAL DATA
Electrical Life @ rated load
Mechanical Life
100K cycles, typical
20M cycles ( 1 & 2 Pole), typical
10M cycles ( 3 & 4 Pole), typical
Insulation Resistance 100MΩ min @ 500VDC
Dielectric Strength, Coil to Contact
Contact to Contact
1500V rms min. @ sea level
1500V rms min. @ sea level
Shock Resistance 100m/s2 for 11ms
Vibration Resistance 1.27mm double amplitude 10-40Hz
Terminal (Copper Alloy) Strength 10N
Operating Temperature
Storage Temperature
-40 °C to + 85 °C
-40 °C to + 155 °C
Solderability 230 °C ± 2 °C for 10 ± 0.5s
Weight 2C: 40g; 3C: 50g; 4C: 60g
ORDERING INFORMATION
1. Series:
WJ151
WJ151
2.Contact Arrangement:
1A, 1B, 1C
2A, 2B, 2C
3A, 3B, 3C
4A, 4B, 4C
2C
3. Termination:
T = Solder lugs / Plug-in
F = Solder lugs / Plug-in with Flange
P = PCB terminals
T 12VDC
4. Coil Voltage:
6VDC/ 6VAC
12VDC / 12VAC
24VDC / 24VAC
36VDC / 36VAC
48VDC / 48VAC
110VDC / 110VAC
120VAC
220VAC
240VAC
1.4
5. Coil Power:
.9 = 0.9W (DC coil for use with 1 and 2 pole models only)
1.4 = 1.4W (DC coil for use with 3 pole models only)
1.5 = 1.5W (DC coil for use with 4 pole models only)
1.2 = 1.2VA (AC coil for use with 1 and 2 pole models only)
2.0 = 2.0VA (AC coil for use with 3 pole models only)
2.5 = 2.5VA (AC coil for use with 4 pole models only)
6. Optional LED:
Blank = No Indicator LED
D = With indicator LED
7. Sealed Option:
Blank = Dust Cover (standard)
S = Sealed
8. Gold Option:
Blank = Standard contacts
R = Gold flash over standard contacts
9. Push to Test Option:
Blank = Without push to test button
T = With push to test button
WJ151
Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562
DIMENSIONS (Units = mm)
1 & 2 POLE 3 POLE
4 POLE
1 & 2 POLE WITH FLANGE 3 POLE WITH FLANGE
4 POLE WITH FLANGE FLANGE MOUNT LAYOUTS
TERMINATION OPTIONS
PC PINS SOLDER TABS
WJ151
Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562
SCHEMATICS & PC LAYOUTS (BOTTOM VIEWS)
WJ151
1C 2C 3C 4C
