SGX250 750V/250A High Voltage DC Contactor
Contactors and 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.
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- 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 | |
