| Parameter | Value |
|---|---|
| Model | EVQ5KH-400E |
| Dimensions (L×W×H) | 80.0 × 62.9 × 66.8 mm |
| Rated Load Voltage (Ue) | 12–500Vdc |
| Rated Load Current (Ie) | 400A |
| Max. Switching Voltage | 500Vdc |
| Power Contact Arrangement | SPST-NO-DM |
| Auxiliary Contact Arrangement (Optional) | SPST-NO / SPST-NC / None |
| Coil Voltage (Us) | 12Vdc / 24Vdc / 48Vdc |
| Coil Characteristics | Single coil |
| Contact Resistance (initial) | Typical 1 mΩ |
| Electrical Life | DC450V: 10,000 ops · DC750V: 1,000 ops |
| Warranty | 1 year |
| Advantage | Benefit for Your Application |
|---|---|
| ✅ 500VDC / 400A Mid-Power Rating | Covers 12–500Vdc load circuits at 400A — ideal for light EVs, charging modules and small ESS. |
| ✅ Epoxy-Encapsulated & Sealed | Full epoxy potting protects against dust, moisture and vibration — reliable in harsh vehicle and outdoor environments. |
| ✅ Superior Arc Resistance & Long Life | Engineered contact design extends electrical life in demanding high-voltage DC switching. |
| ✅ Surge Tolerance — No Contact Welding | Special design prevents contact welding during inrush currents — critical for battery packs, chargers and PCS systems. |
| ✅ Flexible Coil Voltage & Configurations | 12Vdc / 24Vdc / 48Vdc single-coil options, SPST-NO-DM power contacts with optional auxiliary contacts. |
CE, ISO 9001:2015 and TÜV certified — test reports available on request.
Forklifts · Pallet trucks · Aerial work platforms · AGV · Golf carts
Chargers · DC fast charging piles · Group charging · Truck charging
Utility-scale ESS · C&I storage · Residential storage
HV frequency converters · PCS · Rectifier power supplies
| Item | Detail |
|---|---|
| Brand / Origin | ALQ · Jiangsu, China (factory direct) |
| MOQ | Flexible — contact sales for sample & volume pricing |
| Lead Time | Typically 7–15 days (confirm with sales) |
| Payment | T/T, Trade Assurance, etc. (confirm with sales) |
| Customization | OEM/ODM — custom coil voltage, auxiliary contacts, terminals, packaging available |
| Warranty | 1 year |
Q1. What is the rated voltage and current?
A: Rated load voltage 12–500Vdc, rated load current 400A (max. switching voltage 500Vdc) — suitable for light EVs, charging modules and small ESS DC circuits.
Q2. Which coil voltages are available?
A: 12VDC, 24VDC and 48VDC single-coil options. Other coil voltages can be discussed with our engineers.
Q3. What is the contact arrangement?
A: Power contact is SPST-NO-DM. Optional auxiliary contact arrangements: SPST-NO, SPST-NC, or none.
Q4. Is it a sealed / arc-proof contactor?
A: Yes. Robust epoxy encapsulation protects against dust, moisture and vibration, with arc-resistant design for high-voltage DC switching.
Q5. What are the MOQ and lead time?
A: MOQ is flexible for samples and trial orders. Standard lead time is typically 7–15 days; our sales team will confirm the exact schedule for your order.
Q6. Do you support OEM/ODM customization?
A: Yes — custom coil voltage, auxiliary contact arrangement, terminals, labels and packaging are available for volume orders.
