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Current Transformer
Current position: Home > Watt-Hour Meter Parts > Latching Relay
SH639 120A
1.Contact Form: 3A, 3B
2. Contact Material: AgSnO2
3.Switching Current: 120A
4.Switching Voltage: 250VAC max
5.Switching power: 30000VA max
6.Dielectric Strength: 4kV/1min (between coil and contacts)
7.RoHS Compliance
8.Dimensions (mm): 116×52×28
Specifications

CoilSpecification (20℃):

Rated Coil Voltage9VDC12VDC24VDC48VDC
Coil ResistanceSingle Coil (±10%Ω)3257230920
Double Coil (±10%Ω)1629115460
Pick-up Voltage≤75%（Rated Coil Voltage）
Drop-out Voltage≤75%（Rated Coil Voltage）
Max. Applicable Voltage≤120%（Rated Coil Voltage）
Pick-up Time (At RatedVoltage)≤50ms
Drop-out Time (At RatedVoltage)≤50ms
Bounce Time≤2ms
Power ConsumptionSingle Coil: 2.5W

Double Coil:  5W


Characteristics:

Ambient Temp.-40℃～+70℃
Vibration Resistance10-55Hz, 0.5mm (Double Amplitude
Shock Resistance98m/s2,11ms
Relative Humidity45%～85%
Insulation Resistance≤2.0mΩ (1A/6VDC)
Contact Resistance1000MΩ  (500VDC)
Dielectric StrengthBetween Contacts2000 VAC 50/60Hz (1 Minute)
Between Contact & Coil6000 VAC 50/60Hz (1 Minute)
Between Contacts &Contact6000 VAC 50/60Hz (1 Minute)
LifeElectrical Life≥1×104 OPS
MechanicalLife≥5×104 OPS


Drawings
SH639