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Latching Relay-BX120A.4

  • 120A contact switching capability;
  • Only impulse excitation needed, both for single and double coil;
  • Low power consumption, small in size;
  • Contact gap≥3.2mm;
  • 4KV dielectric strength between contact and coil;
  • Mechanical Endurance>1million cycles.
  • Size:58*40*21(mm)
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Product appearance 3D structural diagram and other materials
file name remark update time
Parameters

Appearance Shell Color Black Remark
contact Contact Form 1B/1A "1B" as default
Contact Material Silvery Alloy
Contact Resistance ≤1.0mΩ In accordance with the voltammetry test, 10A constant current is applied
Rated Load (Resistive) 120A/250VAC/28VDC Rated Load (Resistive) 60A 48VDC
Max. Switching Voltage 250VAC Max. Switching Voltage(DC) 48VDC
Max. Switching Current 120A Max. Switching Current(DC) 72A
Max. Switching Power 30000VA Rated Switching Power 2880VA
coil Initial Operating
Voltage
Closing ≤12VDC
Release ≤12VDC
Operating Time Closing ≤20ms  double coil 12V drive
Release ≤20ms  double coil 12V drive
Coil Resistance (18Ω±10%)×2 Customized
Impulse Width ≥100ms
Rated Power of Coil 4W/8W double coil
performance Rated Working Temperature -40℃~70℃ At the limit temperature, it is required to work at the maximum operating frequency for 48H
Humidity 45%-90%RH
Mechanical Vibration 10~55HZ Single amplitude  0.35mm After the test, there should be no loose structure or mechanical damage, and the state of the relay can't be changed.
Mechanical Shock 500m/S2   11MS After the test, there should be no loose structure or mechanical damage, and the state of the relay can't be changed.
Insulation Resistance ≥100MΩ 500VDC
Dielectric
Strength
Between
Contacts
4000VAC 1min No flashover, arcing or insulation breakdown is allowed during the dielectric withstand test. The leakage current shall not be greater than 1mA
Contact-Coil 4000VAC 1min

Ordering information

Dimension and diagram(Unit:mm)

Typical Installation Method