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The HCF500B DC Contactor is designed for high-performance applications requiring reliable switching in DC circuits. Rated at 500A with a maximum switching voltage of 1500VDC, this contactor is engineered for durability and efficiency in demanding conditions. It features a ceramic sealing structure with hydrogen mixed gas, ensuring minimal risk of arc leakage and low, stable contact resistance for optimal performance.
| MAIN CONTACT DATA | ||||||||||
| Max. Switching Voltage | 1500VDC | Rated Current | 500A | |||||||
| Contact Arrangement | One normally open SPST-NO | Contact Voltage Drop | ≤0.1V(at 500A) | |||||||
| Limiting Short-time Current | 700A:8min; 1000A:50s; 2000A:5s; 3000A:1s | |||||||||
| Electrical Life (Resistive Load) | 450V Model | Model | 800V Model | 1000V Model | 1500V Model | |||||
| 500A 450VDC 2000 times (ops), Only Breaking | 500A 800VDC 800 times (ops), Only Breaking | 500A 1000VDC 200 times (ops), Only Breaking | 400A 1500VDC 30 times (ops), Only Breaking | |||||||
| Max. Breaking Current (Resistive Load) | 2500A 800VDC 1 time (ops) | |||||||||
| Overload Breaking (Resistive Load) | 800A 450VDC 50 times (ops) | |||||||||
| Short Circuit Current Withstanding | 8000A (10ms) No Smoke or Fire | |||||||||
| CHARACTERISTIC DATA | ||||||||||
| Dielectric Strength | Between Main Contacts and Coil | Before Test ≥ 4000VAC (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 ≥ 3000VAC (1min), After Test ≥ 2500VAC (1min) | Between Open Main Contacts | Before Test ≥ 1000MΩ (1000VDC), After Test ≥ 50MΩ (1000VDC) | |||||||
| Shock Resistance | Functional | 20G Half-Sine Wave 11ms | Vibration Resistance | Functional | 5.79G (10~2000Hz, Random) | |||||
| Destructive | 50G Half-Sine Wave 6ms | |||||||||
| Operate Time | Max: 30ms | Mechanical Life | 2*10^5 times (ops) | |||||||
| Release Time | Max: 10ms | Weight | Approx 700g | |||||||
| COIL DATA | ||||||||||
| Rated Voltage | 12VDC | 24VDC | 48VDC | |||||||
| Pick-up Voltage | ≤9VDC | ≤18VDC | ≤36VDC | |||||||
| Drop-out Voltage | ≥1.2VDC | ≥2.4VDC | ≥4.8VDC | |||||||
| Rated Operating Power | Approx 50W (Start); 5W (Hold) | Approx 50W (Start); 5W (Hold) | Approx 50W (Start); 5W (Hold) | |||||||
| Max. Allowable Voltage | 16VDC | 32VDC | 64VDC | |||||||
| MAIN CONTACT DATA | ||||||||
| Max. Switching Voltage | 1500VDC | Rated Current | 500A | |||||
| Contact Arrangement | One normally open SPST-NO | Contact Voltage Drop | ≤0.1V(at 500A) | |||||
| Limiting Short-time Current | 700A:8min; 1000A:50s; 2000A:5s; 3000A:1s | |||||||
| Electrical Life (Resistive Load) | 450V Model | 800V Model | 1000V Model | 1500V Model | ||||
| 500A 450VDC 2000 times (ops), Only Breaking | 500A 800VDC 800 times (ops), Only Breaking | 500A 1000VDC 200 times (ops), Only Breaking | 400A 1500VDC 30 times (ops), Only Breaking | |||||
| Max. Breaking Current (Resistive Load) | 2500A 800VDC 1 time (ops) | |||||||
| Overload Breaking (Resistive Load) | 800A 450VDC 50 times (ops) | |||||||
| Short Circuit Current Withstanding | 8000A (10ms) No Smoke or Fire | |||||||
| CHARACTERISTIC DATA | ||||||||
| Dielectric Strength | Between Main Contacts and Coil | Before Test ≥ 4000VAC (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 ≥ 3000VAC (1min), After Test ≥ 2500VAC (1min) | Between Open Main Contacts | Before Test ≥ 1000MΩ (1000VDC), After Test ≥ 50MΩ (1000VDC) | |||||
| Between Main Contacts and Auxiliary Contact | Before Test ≥ 3000VAC (1min), After Test ≥ 2500VAC (1min) | Between Main Contacts and Auxiliary Contact | Before Test ≥ 1000MΩ (1000VDC), After Test ≥ 50MΩ (1000VDC) | |||||
| Shock Resistance | Functional | 20G Half-Sine Wave 11ms | Vibration Resistance | Functional | 5.79G (10~2000Hz, Random) | |||
| Destructive | 50G Half-Sine Wave 6ms | |||||||
| Operate Time | Max: 30ms | Mechanical Life | 2*10^5 times (ops) | |||||
| Release Time | Max: 10ms | Weight | Approx 700g | |||||
| COIL DATA | ||||||||
| Rated Voltage | 12VDC | 24VDC | 48VDC | |||||
| Pick-up Voltage | ≤9VDC | ≤18VDC | ≤36VDC | |||||
| Drop-out Voltage | ≥1.2VDC | ≥2.4VDC | ≥4.8VDC | |||||
| Rated Operating Power | Approx 50W (Start); 5W (Hold) | Approx 50W (Start); 5W (Hold) | Approx 50W (Start); 5W (Hold) | |||||
| Max. Allowable Voltage | 16VDC | 32VDC | 64VDC | |||||
| AUXILIARY CONTACT DATA | ||||||||
| Auxiliary Contact Arrangement | One normally open SPST-NO | Auxiliary Contact Range | 100mA/8VDC~2A/30VDC | |||||
| Auxiliary Contact Resistance | ≤200mΩ (at 100mA) | |||||||
HCF500B Dimension-1
HCF500B Dimension-2
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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