SGX250 750V/250A High Voltage DC Contactor
Contactors & Fuses
Introducing SGX 750V, 250A Contactors, utilizing our ceramic to metal weld technology – the ultimate solution for a variety of applications, including residential energy storage systems (ESS), DC fast charging, electric forklifts, AGVs, and other industrial vehicles. The SGX series offers an excellent performance-to-cost advantage over competitors, making them excellent drop-in replacements for other brands.
Hermetically seal rated to 175°C – Reduced risk of fire or meltdown in over current conditions.
Backfilled with gas (primarily hydrogen) to effectively inhibit oxidation, resulting in low and stable contact resistance.
Industries
Distributors Stock
Need more information?
Contact us to request pricing, availability and customization options
Contact UsFeatures
- Hermetically seal rated to 175°C – Reduced risk of fire or meltdown in over current conditions
- Backfilled with gas (primarily hydrogen) to effectively inhibit oxidation, resulting in low and stable contact resistance
- Continuous current carry 250 A at 85°C
- High short circuit current withstanding: 8000A, 5ms
- Comply with IEC 60664-1 and RoHS standards
Applications
- Material Handling
- Residential ESS
- DC Fast Charging
Specifications
| Contact Arrangement | 1 Form A |
| Contact Resistance | ≤ 0.5 mΩ @ 200A |
| Rated Load Current | 250A (@ 60 mm2 wire) |
| Rated Switching Voltage | 450 VDC / 750 VDC |
| Rated Switching Power | 112.5 kW @ 450 VDC 187.5 kW @ 750 VDC |
| Min. Applicable Load | 6 VDC, 1A |
| Max. Switching Voltage | 1000 VDC |
| Max. Switching Power | 187.5 kW (750 VDC) |
| Max. Breaking Current | 2000A (450 VDC), 1 cycle |
| Specifications | Data | |
| Dielectric Strength | Between Open Contacts | 2600 VAC, 1 min |
| Between Coil & Contacts | 2600 VAC, 1 min | |
| Insulation Resistance | 1000 MΩ at 1000 VDC | |
| Operate Time (at nomi. volt.) | ≤ 30ms | |
| Release Time (at nomi. volt.) | ≤ 10ms | |
| Vibration Resistance (sine) | 10 Hz - 500 Hz, 49 m/s2 | |
| Shock Resistance | Functional Open: 196 m/s2 | |
| Functional Close: 588 m/s2 | ||
| Destructive: 490 m/s2 | ||
| Ambient Temperature | -40°C - 85°C | |
| Humidity | 5% RH - 85% RH | |
| Termination | M6 female screw | |
| Mounting | M5 screw | |
| Unit Weight | Approx. 430 g | |
| Outline Dimensions | Refer to drawings | |
| Nominal Voltage (VDC) | Pick-up Voltage (VDC) | Drop-out Voltage (VDC) | Coil Power (W) |
| 12 | ≤ 9 | ≥ 1 | ∼6.0 @ 23°C |
| 24 | ≤ 18 | ≥ 2 |
| Specifications | Data | |
| Electrical Endurance | Switch on: 7.5 x 104 cycles (20 VDC, 140 A) | |
| Switch off: 1000 cycles (450 VDC, 250 A) | ||
| Switch off: 200 cycles (750 VDC, 250 A) | ||
| Switch off: 0.2s on 1 cycle (450 VDC, 2000 A) | ||
| Switch off: 0.2s on 1 cycle (500 VDC, 1800 A) | ||
| Short Circuit Current | 500 VDC, 8000 A t ≤ 5ms, 1 cycle (no smoke, no fire) | |
| Current Endurance | 250 A, cont. | |
| 350 A, 8 min | ||
| 500 A, 2 min | ||
| 900 A, 25 s | ||
| 1000 A, 20 s | ||
| Mechanical Endurance | 2 x 105 cycles, on-off ratio: 0.5 s : 0.5 s | |
