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DC Contactor EVK250

The 250A high-voltage DC contactor is a key switching element designed for medium-to-high current and high-voltage DC applications. It has a rated current of 250A and is suitable for DC circuit control from DC 12V to 1500V. The product supports three coil voltages of 12V, 24V and 48V, and the coil power is 6~6.5W, meeting the electrical interface requirements of various systems.
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250A High Voltage DC Contactor Product Introduction

The 250A high-voltage DC contactor is designed for medium and high-power DC systems and is suitable for applications with a rated voltage of DC 12V to 1500V. The product provides three coil voltage options: 12V, 24V, and 48V, with a coil power of 6~6.5W. It has stable and reliable closing and closing performance and is especially suitable for DC high-voltage equipment that requires long-term stable operation and frequent operation.

This model uses high-conductivity copper alloy main contacts and built-in magnetic blow-out arc extinguishing structure, combined with an optimized double contact gap design, with extremely strong arc suppression ability and excellent breaking stability. Its reinforced contact system can effectively reduce heat loss and extend the overall life of the device. The whole machine adopts modular packaging, flexible installation, and is suitable for a variety of system integration structures.

Key advantages:

⚡ High-strength contact system: ensure electrical stability when large current is switched on and off

Magnetic blow-out arc extinguishing technology: significantly improve the safety of disconnection under high voltage

Modular design structure: convenient for system integration and later maintenance and replacement

Strong environmental adaptability: suitable for operation under complex working conditions such as high temperature, high humidity, and high altitude

Optional auxiliary contacts: realize real-time monitoring and linkage feedback of operating status

✅ Efficient coil, retentive power is only 6~6.5W

✅ The joint way of the coil is very convenient

✅ Dimension: 80.5×63.9×72.2mm

✅ Weight: 430g

✅ IP Grade: IP67

✅ Mechanical life: 2x105 cycles

✅ Approval: UL, CE, TÜV

Application scenarios

Typical application areas:

Output switching and protection control of DC fast charging piles

Main power supply control circuit of electric buses and medium-sized commercial vehicles

Battery pack isolation and protection in industrial and commercial energy storage systems

Current on-off control of charging/discharging bidirectional inverter system

DC isolation protection between photovoltaic DC junction box and inverter

艾详情_01

Applications include electric vehicles, fast charging piles, battery switching and backup, high voltage DC voltage switching control, circuit protection and safety control.

Contact ArrangementSPST-NO
Auxiliary ContactOptional
Voltage Rating12-200Vdc,12-750Vdc,12-1000Vdc,12-1500Vdc
Current Rating250A
Break Current, Max(only 1 time)2000A 320Vdc
Contact Resistance≤1m Ω (at 250A)
Insulation ResistanceInital: 100M Ω 1000Vdc   After test: 50M Ω 1000Vdc
Coil Voltage12Vdc   24Vdc   48Vdc
Coil Power≈6.0W  ≈6.0W  ≈6.5W
Mechanical Life2x105 cycles
Main Contact MountingM8 female thread
Dimensions80.5×63.9×72.2mm
Weight≈430g
Operating & Storage Temperature-40~+85℃
Operating & Storage Humidity5%~95%RH
Altitude≤4000m
CertificationCE,UL,CCC


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