| Parameter | Value |
|---|---|
| Model | EVQ5KH-250E |
| Brand | ALQ |
| Rated Current (Optional) | 250 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 / 48 V DC |
| Coil Characteristics | Single coil |
| Dimensions (L x W x H) | 77.1 x 80.0 x 66.8 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 |

Rated 250 A continuous current at 500 V DC with strong make-break performance, delivering reliable switching for EV chargers, energy storage systems and industrial DC distribution.
Engineered for high-cycle operation with up to 200,000 mechanical cycles and dependable break capacity at 500 V DC / 250 A on resistive load.
Epoxy packaging with nitrogen-protected contacts prevents oxidation and provides strong arc-cooling, ensuring long-term contact reliability.
Fully sealed enclosure rated IP67 & IP69K with salt fog test per GB/T2423.17 / IEC60068-2-11, ready for harsh outdoor environments.
Optional SPST-NO / SPST-NC auxiliary contact provides reliable status feedback for battery management systems and safety interlock circuits.
Operates from -40°C to +85°C with 5%-95% RH humidity tolerance and altitude rating up to 4,000 m for highland applications.

CCC, TUV SUD, and CE (LVD) certified. Quality management system conforms to GB/T19001-2016 / ISO9001:2015.
Industrial Vehicles![]() 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![]() 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![]() 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![]() High-voltage frequency converters, power conversion systems (PCS), industrial rectifier power supplies, motor drives, and UPS systems. |
A: The EVQ5KH-250E is rated for 500 V DC maximum switching voltage and 250 A continuous current, suitable for EV charging, ESS and industrial DC power distribution.
A: The contactor is available with 12 V DC, 24 V DC or 48 V DC single coil. Specify the required coil voltage and auxiliary contact type when requesting a quote.
A: Yes. The EVQ5KH-250E is designed for battery energy storage systems, DC fast chargers, solar inverters, industrial vehicles and frequency conversion equipment.
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.
A: The EVQ5KH-250E features sealed construction with IP67 & IP69K ratings, vibration resistance and wide temperature range (-40°C to +85°C) for outdoor and industrial environments.
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].