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1500Vdc 20A High Voltage Contactor

  • Max. Switching Voltage: 1500VDC
  • Rated Current: 20A
  • Main Contact Type: SPST-NO (Normally Open)
  • Auxiliary Contact: Nil
  • Auxiliary Contact Type: Nil
  • Coil Rated Voltage: 12VDC / 24VDC / 48VDC
  • Ambient Operation Temperature: -40°C ~ +85°C
  • Ambient Operation Humidity: 5% ~ 85% RH
  • Approvals/Standard:
    • REACH
    • RoHS
,

Description

HIITIO HCF20B is a 1500VDC 20A ceramic-sealed high-voltage DC contactor with non-polar arc extinguishing, no risk of arc leakage, and continuous 20A carrying at 85°C. Ideal for EV auxiliary circuits, energy storage, and renewable energy systems.

Features

  • Rated Voltage: Up to 1500VDC
  • Rated Current: 20A continuous at 85°C
  • Ceramic-sealed chamber with H₂ gas to prevent arc leakage
  • Non-polarity arc extinguishing design supports bidirectional current
  • SPST-NO (normally open) contact type
  • Electrical life: up to 75,000 operations (450VDC @ 20A)
  • Mechanical life: 200,000 operations
  • Dielectric strength ≥ 4000VAC (1 min), insulation resistance ≥ 1000MΩ
  • Compact size and lightweight (~155g)
  • Coil voltage options: 12VDC, 24VDC, 48VDC
  • Compliant with RoHS and REACH standards

Specification Table

Parameter Specification
Max. Switching Voltage 1500VDC
Rated Current 20A
Main Contact Type SPST-NO
Auxiliary Contact Nil
Coil Rated Voltage 12VDC / 24VDC / 48VDC
Ambient Temperature -40°C ~ +85°C
Ambient Humidity 5% ~ 85% RH
Contact Voltage Drop ≤0.09V (at 20A)
Limiting Short-time Current 20A continuous; 30A (1h); 40A (20min); 80A (30s); 120A (10s); 200A (0.6s)
Operate Time Max. 30ms
Release Time Max. 10ms
Weight Approx. 105g
Approvals REACH, RoHS

Applications

  • Electric Vehicles (EV) and Hybrid Electric Vehicles (HEV) – auxiliary circuits, pre-charge, and control loops
  • Energy Storage Systems (ESS) – battery management and low-current DC switching
  • Photovoltaic (PV) and Solar Inverters – high-voltage DC signal and control circuits
  • Charging Stations – auxiliary control and monitoring circuits
  • Industrial DC Power Distribution and UPS Systems
  • Rail Transit and Marine Power Systems

Dimensions (mm)

HCF20B/HQ31

HCF20B/HQ32

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