| Parameter | Value |
|---|---|
| Model | EVQ5K-300G24AC |
| Brand | ALQ |
| Rated Current | 300 A |
| Max. Switching Voltage | 1500 V DC |
| Power Contact Arrangement | SPST-NO-DM (Single Pole Single Throw, Normally Open, Dual Make) |
| Auxiliary Contact Arrangement | SPST-NO / SPST-NC / None (optional) |
| Coil Voltage Rating (Optional) | 12 V DC / 24 V DC |
| Coil Characteristics | Single coil |
| Dimensions (L x W x H) | 80.0 x 62.9 x 66.8 mm |
| Mounting Type | Modular |
| Origin | Jiangsu, China |
| Warranty | 1 year |
| Typical Applications | EV charging piles, DC fast chargers, energy storage systems, industrial vehicles, frequency conversion equipment |
Rated for 300 A continuous current at 1500 V DC, with up to 2000 A max cut-off capacity at 450 V. Engineered for reliable high-voltage DC switching in EV chargers and battery systems.
Designed for high-cycle operation: 200,000 mechanical cycles and up to 3,000 break cycles at 450 V DC / 300 A on resistive load, reducing maintenance and replacement costs.
Fully sealed epoxy-encapsulated housing meets IP67 and IP69K ratings with salt fog testing per MIL-STD-810, making it ready for harsh outdoor, washdown, and vehicle-mounted environments.
Integrated 1 Form A auxiliary contact rated 2 A at 30 V DC, mechanically linked to the main contacts. Provides reliable status feedback with 100,000-cycle electrical life.
Withstands 10 G sinusoidal vibration (80-2000 Hz) and 10 G shock (1/2 sine, 11 ms), staying stable in moving vehicles, charging stations, and high-vibration industrial enclosures.
Operates from -40°C to +85°C with 5%-95% RH humidity tolerance and an altitude rating up to 4,000 m, covering highland and extreme-climate installations.
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 EVQ5K-300G24AC is rated for 1500 V DC maximum switching voltage and 300 A continuous current. It supports up to 2000 A max cut-off capacity at 450 V, making it ideal for DC fast chargers and high-voltage battery systems.
A: This contactor is available with 12 V DC or 24 V DC coil voltage. The "24AC" suffix in the part number indicates the 24 V DC coil variant typically used in charging-pile control circuits.
A: Yes. An optional auxiliary contact is available in SPST-NO, SPST-NC, or no auxiliary configuration. The standard built-in 1 Form A auxiliary contact supports status feedback up to 2 A at 30 V DC.
A: The EVQ5K-300G24AC features an epoxy-sealed, nitrogen-protected construction rated IP67 and IP69K, with salt fog resistance per MIL-STD-810. It is suitable for outdoor charging stations and vehicle-mounted applications.
A: Yes. With 1500 V DC / 300 A ratings, the EVQ5K-300G24AC is designed for EV charging piles, DC fast chargers, split-type charging systems, and integrated heavy-duty truck charging stations.
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].
