Project Description

EVHA400 DC contactor for BESS

EVHA400

BESS components 400A DC contactor, DC 12-1500V, 12V/24V coil voltage.

High voltage DC contactor, normally open (SPST-NO), 400 amps rated load current, available with 12V/24V (PWM) coils. Rated voltage up to 1500V, it’s specially designed for high voltage DC switching application.
It’s widely used in EV,  heavy truck, DC charging station solution, PCS, HVJB, BESS, energy storage system solution, industrial vehicle system solution, etc.

  • Ceramic sealed.
  • Magnetic arc blowout.
  • Compact design, low noise.
  • High performance, high reliable.
  • CE, CCC and RoHS compliant.
Enquiry

EVHA Series DC contactors can switching DC load from 12VDC to 1500VDC,rated current from 40A to 1000A. Ideal for Avionics & Aerospace, Military, Heavy Trucks,DC charging station solution, industrial vehicle system solution,energy storage system solution,etc. These hermetically sealed contactors can be mounted in any position, can be used in nearly any harsh environment at temperatures from –40°C to 85°C. All EVHA Series contactors meet RoHS and CE,CCC Conformance requirements.

Main Contact arrangementSPST-NO
Main contact ParameterRated load voltage (Ue)12-1500Vdc
Rated load current400A
Initial contact resistance0.2mΩ Max.(at 400A)
Switching life/
Power-on lifeSteady State 400A,C=1100 ,37.5V ,20000 cycles
Short circuit current8000A (5ms),1 cycle
Breaking Electrical Endurance400A/1500V,200 cycles500A/1000V,500 cycles
400A/750V,1000 cycles
1000A/1500V ,1 cycle2000A/1000V ,1 cycle
Mechanical Life2×105 cycles
Auxiliary Contact ArrangementSPST-NO
Auxiliary contact ParameterContact Resistance≤100mΩ
Rated load0.1A ,12V
Switching life10000 cycles
Coil parameterNominal voltage12Vdc(PWM)24Vdc(PWM)
Pick-up Voltage(Vd.c.)≤9≤9
Operating Voltage(Vd.c.)9~369~36
Drop-out Voltage(Vd.c.)≥5≥5
Coil R(Ω)(1±7%)3.13.1
Starting Current(A)3.83.8
Starting Time(ms)≤150≤150
Rated Current(A)0.330.33
Starting Power Consumption(W)4848
Steady-state Power Consumption(W)44
Coil polarity
General DataOperate time50ms Max.
Release time20ms Max.
Bounce time5ms Max.
Insulation ResistanceBetween Coil and Contacts1000MΩ Min.
Between Contacts of the Same Pole/
Between Main and Auxiliary Contacts1000MΩ Min.
Pressure resistanceBetween Coil and ContactsAC 4000 Vrms/1mA/1min.(At sea level)
Between Contacts of the Same Pole/
Between Main and Auxiliary ContactsAC 4000 Vrms/1mA/1min.(At sea level)
Mechanical functionShock resistanceStability Close:588m/s2 ,
Break: 196m/s2
Sinusoidal Vibration10~500Hz Double Amplitude 1.5mm,
Acceleration: 49 m/s2
Mounting & ConnectionsInternal thread M8
Environmental parameterAmbient Temperature-40~+85℃
Relative Humidity5~85% RH.
Dimension104x52x104mm
Weight ( g )Approx. 810g

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