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  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier

DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay

No.1601927732836
Number of Pole:
SPST-NO / SPST-NC / None
Main Circuit Rating Voltage:
12VDC
24VDC
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier
  • DC Contactor ALQ EVC7A-400E 400A 500V Factory Direct DC Coil Relay,DC Contactor ALQ EVC7A-400E 400A 500V,Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier

Description

500V DC Switching Rated Current 400A SPST-NO-DM Single Coil 12/24Vdc

Technical Specifications

Parameter Value
Model EVC7A-400E
Brand ALQ
Rated Current (Optional) 400 A
Max. Switching Voltage 500 V DC
Power Contact Arrangement SPST-NO-DM (Single Pole Single Throw, Normally Open, Dual Make)
Auxiliary Contact Arrangement (Optional) SPST-NO / SPST-NC / None
Coil Voltage Rating (Optional) 12 V DC / 24 V DC
Coil Characteristics Single coil
Dimensions (L x W x H) 74.0 x 60.0 x 127.2 mm
Mounting Type Panel mount with bracket
Operating Temperature -40°C to +85°C
Origin Jiangsu, China
Warranty 1 year
Typical Applications EV charging, energy storage systems (ESS), industrial vehicles, frequency conversion equipment, solar inverters

Product Details

 

Why Choose ALQ EVC7A-400E?

Factory-Direct 400A DC Switching

Rated 400 A continuous current at 500 V DC, with reliable make-break performance for EV chargers, energy storage systems and industrial DC power distribution.

Single Coil 12/24Vdc Control

Simple single-coil drive with optional 12 V DC or 24 V DC coil voltage, reducing driver complexity and matching common battery/control system voltages.

Built-in Auxiliary Contact Option

Optional SPST-NO / SPST-NC auxiliary contact provides reliable status feedback for battery management systems and safety interlock circuits.

Compact Panel-Mount Design

Dimensions 74.0 x 60.0 x 127.2 mm with integrated mounting bracket, saving cabinet space in high-density ESS, charger and vehicle installations.

Harsh Environment Ready

Operates from -40°C to +85°C with sealed construction, vibration resistance and salt-fog tolerance for outdoor charging, marine and industrial use.

CCC, TUV SUD & CE Certified

Backed by China Compulsory Certificate, TUV SUD test report and CE (LVD) attestation, plus ISO9001 quality management system compliance.

Certifications

ALQ EVC7A-400E DC contactor CCC certification China Compulsory Product Certificate ALQ EVC7A-400E DC contactor TUV SUD certificate for Contactors ALQ EVC7A-400E DC contactor TUV SUD attestation of conformity CE LVD

CCC, TUV SUD, and CE (LVD) certified. Quality management system conforms to GB/T19001-2016 / ISO9001:2015.

Product Applications

Industrial Vehicles

Electric forklift, AGV and industrial vehicles using ALQ EVC7A-400E 500V DC contactor

Electric forklifts, electric pallet trucks, electric aerial work platforms, intelligent logistics systems, automated guided vehicles (AGV), cold chain logistics equipment, industrial robots, electric tools, and electric golf carts.

DC Charging Equipment

DC fast charging station and EV charger using ALQ EVC7A-400E 500V 400A contactor

Chargers, small DC charging piles, monoblock DC charging piles, split-type DC charging piles (group charging), ultra-fast DC charging piles, and integrated DC charging piles for heavy-duty trucks.

Energy Storage System

Solar farm and battery energy storage system using ALQ EVC7A-400E 500V DC contactor

Large-scale energy storage (generation-side, grid-side), medium-scale energy storage (industrial & commercial), small-scale energy storage (residential), and photovoltaic solar energy systems.

Frequency Conversion Equipment

Industrial frequency converter and power conversion system using ALQ EVC7A-400E DC contactor

High-voltage frequency converters, power conversion systems (PCS), industrial rectifier power supplies, motor drives, and UPS systems.

Frequently Asked Questions

Q1: What is the rated voltage and current of the EVC7A-400E?

A: The EVC7A-400E is rated for 500 V DC maximum switching voltage and 400 A continuous current, suitable for medium-voltage EV charging, ESS and industrial DC distribution.

Q2: What coil voltages are available?

A: The contactor is available with 12 V DC or 24 V DC single coil. Specify the required coil voltage and auxiliary contact type when requesting a quote.

Q3: Can this contactor be used in energy storage and EV charging systems?

A: Yes. The EVC7A-400E is designed for battery energy storage systems, DC fast chargers, solar inverters, industrial vehicles and frequency conversion equipment.

Q4: What is the contact arrangement of this contactor?

A: The power contact uses an SPST-NO-DM (Single Pole Single Throw, Normally Open, Dual Make) configuration. An optional auxiliary contact is available in SPST-NO, SPST-NC, or none.

Q5: What protection level does the EVC7A-400E offer?

A: The EVC7A-400E features sealed construction with high ingress protection, vibration resistance and wide temperature range (-40°C to +85°C) for outdoor and industrial environments.

Q6: How do I request a quote and what is the lead time?

A: Submit your required specifications (current rating, coil voltage, auxiliary contact type, and quantity) through the inquiry form or contact us via WhatsApp. Our engineers will respond within 24 hours. Sample lead time is [to verify with factory].

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