Description

Factory DC Relay 300A/1000V ALQ EVQ300 CCC CE Certified
Product Description

item	value
OE NO.	1
Voltage	Other
Rated Current	Other
Brand Name	ALQ
Place of Origin	China
Car Make	Electric vehicles Lithium-ion battery pack
Model Number	EVQ300
Rated load voltage Ue	12-1000Vdc
Rated load current Ie	300Amp
Rated voltage of coil Us	12Vdc or 24Vdc
Weight approximately	930g
Contact resistance initial	Typical value 1Milliohm
Electrical life	DC450V, 10000 second DC750V, 1000 second

Product Details

Factory DC Relay 300A/1000V ALQ EVQ300 CCC CE Certified

Why Choose ALQ DC Contactors?
✅ Superior Arc Resistance & Long Life
Engineered for high-voltage DC systems up to 1000Vdc, our contactors ensure stable performance under frequent on-load switching —especially ideal for demanding environments like electric vehicles and energy storage.
✅ Excellent Capacitive Load Surge Tolerance
Unique design prevents contact welding during inrush current events — critical for battery packs, chargers, and PCS systems.
✅ Robust Encapsulation (EVQ Series)
Epoxy-sealed body provides superior protection against dust, moisture, and vibration — achieving IP67-level protection without additional housing.
✅ Wide Voltage Control Options
Available with coil voltages: 12Vdc, 24Vdc, 48Vdc, making integration easy across various control systems.
✅ Multiple Configurations
Choose from SPST-NO (Single Pole Single Throw - Normally Open) models with rated currents from 10A to 50A, suitable for both signal and power circuits.

Certifications

Product Applications


Industrial Vehicles Typical applications in the industrial vehicle industry:electric for klifts,electric pallet trucks,electric aerial work platforms,intelligent logistics systems, automated guided vehicles(AGV),cold chain logistics equipment, industrial robots,electrictools,electric golf carts,etc.	DC Charging Equipment Typical applications in the DC charging equipment industry:charger,small DC charging pile,monoblock DC charging pile,split-type DC charging pile(group charging),ultra-fast DC charging pile,integrated DC charging pile for heavy-dutytrucks,etc.

Energy Storage System Typical applications of energy storage systems: large-scale energy storage(generation-side, grid-side), medium-scale energy storage (industrial & commercial),small-scale energy storage (residential),etc.	Frequency Conversion Equipment Typic alapplications of frequency conversion equipment: high-voltage frequency converters, power conversion system(PCS),and industrial rectifier power supplies,etc.

Package