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  3. TE Connectivity — ECP40B Series High Voltage DC Contactors

TE Connectivity — ECP40B Series High Voltage DC Contactors

 

TE Connectivity

 

TE Connectivity ECP40B Series High Voltage DC Contactors

For safe, reliable switching in energy storage, solar, and EV systems.

The ECP40B series from TE Connectivity is a high-voltage DC contactor specifically engineered for use in demanding environments such as battery energy storage systems, photovoltaic (solar) inverters, and EV charging infrastructure. Ideal for pre-charge applications, the ECP40B series supports up to 1500 VDC systems and meets stringent insulation requirements in accordance with UL60947-4-1 and IEC60947-4-1 standards.

Designed with hermetically sealed ceramic technology, this contactor ensures high reliability and safety even in harsh operating conditions. The ECP40B series also supports bi-directional load handling, offering flexible integration into various high-voltage systems.

Features

  • 40 A making capability
  • Breaking capacity at 1500 VDC
  • Supports bi-directional load
  • Hermetically sealed using ceramic technology for enhanced safety and reliability

Applications

  • Battery energy storage systems (BESS)
  • Solar (photovoltaic) inverters
  • DC converters
  • EV charging systems

Compliance & Approvals

  • UL: E82292
  • TÜV: R50630715
  • CE: 724-00008

Main Contact Data

Contact current 40 A
Maximum breaking voltage 1500 VDC
Contact arrangement 1 Form X (SPST-NO-DM)
Initial voltage drop ≤ 160 mV @ 20 A, 6 VDC
Operate time maximum (at 23 ℃) 30 ms
Release time, maximum (at 23 ℃) 10 ms
Mechanical life 200,000 cycles

Circuit Diagram

TE Connectivity — ECP40B Circuit Diagram

 

TE Connectivity — ECP40B Series High Voltage DC Contactors