UT250-P
UT250-P HVDC Relay
Manufactured by Shenzhen unitone New Energy Technology Co., Ltd., this HVDC relay features advanced technology and craftsmanship with high reliability, long service life, and compact design. It is widely used in new energy vehicles (NEV), EV charging stations, energy storage systems (ESS), and more.
Technical Specifications
| Parameter | Value |
|---|---|
| Contact Configuration | 1 Form A (SPST-NO) |
| Contact Resistance | ≤0.5mΩ |
| Rated Load Voltage | 12-1000V DC |
| Rated Load Current | 250A DC |
| Max. Breaking Current | 2500A 320V DC (1 time or more) |
| Max. Switching Power | 187.5KW |
| Electrical Endurance | 250A 450V DC 1×10⁴ cycles; 250A 750V DC 3×10³ cycles |
| Mechanical Endurance | 2×10⁵ cycles |
| Auxiliary Contact | None / With auxiliary contact (-H variant) |
| Coil Voltage | Energy-saving drive rated voltage 12-24V DC (3.5A) |
| Coil Resistance | 3.0Ω |
| Coil Power | Pull-in (100ms) approx. 40W; Steady-state approx. 1.7W |
| Coil Lead Type | Lead wire, 300mm length |
| Dielectric Strength (Open Contacts) | 2500V AC |
| Dielectric Strength (Coil-to-Contact) | 2500V AC |
| Insulation Resistance | 1000MΩ (1000V DC) |
| Vibration (Stability) | 10G (10-1000Hz) |
| Shock (Stability) | 20G |
| Shock (Strength) | 50G |
| Weight | Approx. 390g |
| Dimensions | 80.3×64.8×82.5mm |
| Terminal Connection Method | M8 Internal thread / M8 External thread |
Applications
- New Energy Vehicles (NEV)
- EV Charging Stations
- Energy Storage Systems (ESS)
- Electric Forklifts
- Electric Marine Vessels
