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The HCZ01-350 is a high-performance DC contactor designed for demanding applications in new energy systems, electric vehicles, and industrial equipment. Featuring a compact, fully sealed structure filled with inert gas and magnetic arc blowout technology, it ensures rapid arc extinction, enhanced safety, and reliable operation under extreme conditions.
| MAIN CONTACT DATA | |||
|---|---|---|---|
| Max. Switching Voltage | 1000VDC | Rated Current | 50A (@120mm² wire) |
| Contact Arrangement | SPST-NO | Contact Resistance | ≤0.4mΩ (at 350 A) |
| Limiting Short-time Current | 350:cont., 450A480sec;600A:30sec;900A:6sec | ||
| Electrical Life (Resistive Load) | 350A 200VDC,1,000×(ops) | 350A 450VDC,500×(ops) | 300A 1000VDC,100×(ops) |
| Max. Breaking Current (Resistive Load) | 2000A320Vdc1×(ops) | ||
| CHARACTERISTIC DATA | |||||||
|---|---|---|---|---|---|---|---|
| Dielectric Strength | Between Main Contacts and Coil | Before Test≥3500VAC (1min) | After Test≥2500VAC (1min) | Insulation Resistance | Between Main Contacts and Coil | Before Test≥1000MΩ(1000VDC) | After Test≥50MΩ (1000VDC) |
| Between Open Main Contacts | Before Test≥3500VAC (1min) | After Test≥2500VAC (1min) | Between Open Main Contacts | Before Test≥1000MΩ(1000VDC) | After Test≥50MΩ (1000VDC) | ||
| Shock Resistance | Functional | 196m/s²(20G)L:>20G above | Vibration Resistance | Functional | 10-500HZ,49m/s² | ||
| Destructive | 490m/s²(50G)L:>50G above | ||||||
| Operate Time | Max.30ms | Mechanical Life | 2×10⁵ × (ops) | ||||
| Release Time | Max.10ms | Weight | Approx 380g | ||||
| Auxiliary Contact Parameters | |||
|---|---|---|---|
| Switch Rating | 30V d.c. 2A;125Va.c. 3A | ||
| Minimum Load | 5Vd.c. 100mA | ||
| Auxiliary Resistance | ≤150mΩ | ||
| COIL DATA | ||
|---|---|---|
| Rated Voltage | 12-36VDC | 48-72VDC |
| Pick-up Voltage | ≤9VDC | ≤28VDC |
| Drop-out Voltage | ≥1.5VDC | ≥16 VDC |
| Rated Operating Power | Starting power 40W Hold power 2.2W | |
| Coil Resistance | 3.2(1±7%)Ω | 40(1±7%)Ω |
HIITIO® was established in 2018 as a result of Hecheng Electric introducing a mature R&D team. HIITIO specializes in producing high-voltage DC electrical devices for EV, solar energy systems, and energy storage applications.
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