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R18 Series
Enclosed Style, 20 Amp AC Power DPDT Relay Designed to Switch Tungsten Lamp Loads for the Traffic Control Industry
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Features
Clear, tough polycarbonate plastic cover
Jones plug terminals
Suitable for domestic switching of tungsten lamp loads of 1000 Watts @ 120VAC
Polarized pin
 
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Electrical Characteristics
Contact
Contact Rating: 30 Amp, 120/240 VAC - UL
25 Amp, 120/240 VAC - CSA, UL
20 Amp, 28 VDC
1 HP - 120 VAC
2 HP - 240 VAC
2.4KW, 120/240 VAC Tungsten Lamp (20 Amps)
Contact Arrangement: DPDT
Contact Material: 3/8" Dia. Silver alloy
Coil
Coil Voltages: See Chart
Pick-up Voltages: 85% of nominal AC
Power: 8.0 VA nominal
Duty Cycle: 1 to 2 sec, on time, 4 sec off time
Insulation Characteristics
Dielectric Strength:
Across Open Contacts: 500 VRMS
Contact to Frame: 1500 VRMS
Coil to Contact: 2500 VRMS
Environmental Characteristics
Operating: -40°C to +84°C
Life Expectancy:
Mechanical: 5 million operations
Electrical: 250,000 operations min @ 1 KW tungsten, 120 VAC, 200,000 operations @ 2.4 KW
Weight
Std: 7.2 ozs. (204.7 grams) - approx
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Dimensional Drawings
D13
Contact Arrangment
)
A (DPDT),
2 Form "C"
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Part Numbers
| AC OPERATED |
| NTE Type No. |
Nom.
Voltage |
Contact
Arr. |
Nom.
Power |
Max.
Contact
Cur. @
28VDC or
120VAC |
Diag.
No. |
| R18-11A20-120 |
120VAC |
DPDT |
8.0VA |
30A @ 120/
240VAC
20A @ 28VDC |
D13 |
| ACCESSORIES |
| Mounting Styles |
Description |
NTE Type No. |
| Panel Mount |
8-Pin Jones Plug |
R95-112 |
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**Specifications subject to changes**
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