Power Systems

Hirose offers robust connector solutions engineered for power distribution, switchboard, energy storage systems, and industrial power systems. Our portfolio includes wire-to-board, board-to-board, wire-to-wire, and busbar connectors designed for high-current delivery up to 500A, low contact resistance, and secure locking in harsh environments. Options feature compact, vibration-resistant structures with IP67/IP68 waterproofing, heat resistance up to 125°C, and EMI shielding. Hirose connectors ensure reliable connections for power I/O, service plugs, BMS, and external line connections in energy storage, and switchgear systems.

  • Power Distribution, Switch Board
  • Energy Storage System
CONN CIRC 2P SILVER CRIMP SCREW

EM30M series

Hirose's EM30M series are plastic connectors for high current applications.

CONN CIRC 2P SILVER CRIMP SCREW

EM40M series

Hirose's EM30M series are plastic connectors for high current applications.

TERM BLK 1POS BLACK

EF2 series zero screw™ connector

Hirose's screwless terminal block series significantly reduces electrical wiring time and maintenance workload compared to conventional terminal blocks.

Wire-to-board

CONN VERT TYPE FOR 3MM BUSBAR

PS4 busbar plug-In connector

Hirose's PS4 series busbar plug-in connectors offer easy and optimized assembly with plug-in connection.

CONN PLUG HSG MALE 1POS INLINE

EM12M series connector

Hirose offers the EM12M series power connector, with a current rate up to 90 A capacity.

CONN PLUG HSG 4POS

EM35M series power supply connector system

The EM35M series from Hirose Electric is a high current, plastic power supply connector system.

CONN PLUG HSG MALE 1POS INLINE

EM12M series connector

Hirose offers the EM12M series power connector, with a current rate up to 90 A capacity.

CONN R/A COVER FOR PS3C COVER

PS3C series connector

A single-position connector, the PS3C series is designed for storage battery applications and supports up to 150 A.

Wire-to-board

CONN HDR 2POS 10.16MM R/A

DF60 series

Hirose has developed a 1.2 mm pitch, low-profile, swing-lock, wire-to-board connector for power supply applications.

5 Position Rectangular Receptacle Connector

MQ221 series

Hirose's MQ221 series are 105A power/signal hybrid plug-in connectors, with a compact design.

PLUG A KEY 8POS IDC 22AWG

ix Industrial® connector

Hirose's ix Industrial connector features a rugged and reliable design, the snap-in I/O connector has a positive metal lock with a preload spring mechanism that provides a clear tactile click and ensures complete secure mating.

CONN JACK MALE 11P GOLD SLDR CUP

LF series waterproof connectors

Hirose LF series of waterproof connectors features all components are self-aligning, eliminating complex assembly tooling.

CONN VERT TYPE FOR 3MM BUSBAR

PS4 busbar plug-in connector

Hirose's PS4 series busbar plug-in connectors offer easy and optimized assembly with plug-in connection.

CONN CIRC 2P SILVER CRIMP SCREW

EM30MSD series power connector

The EM30MSD series, a member of Hirose Electric’s power connector line-up, is a manual service disconnect, which works to physically interrupt the circuit and protect operators from high voltage shock accidents.

Wire-to-board

CONN PLUG HSG 2POS 2.20MM

DF62 connectors

Hirose Electric's DF62 connectors keep you connected even in tight spaces.

CONN RCPT SMT VERT 2MM 2POS

ZE05 series automotive interface connectors

Hirose ZE05 series are 0.5 size, 2 mm pitch wire-to-board automotive interface connectors featuring high heat and vibration resistance.

CONN RCPT HSG 2POS 2.00MM

SignalBee™ DF51 series wire-to-board connectors

Hirose's SignalBee DF51 series positive lock provides clear tactile click and secures a reliable connection.

CONN HDR 2MM DUAL GLD R/A 24POS

DF51K wire-to-board connector

Hirose's DF51K series features a space-saving center-lock design. The user-friendly positive-lock provides a clear tactile click and secures a reliable connection.

Board-to-board

CONN HDR 120POS R/A SMD GOLD

FX18 series board-to-board connectors

Hirose's FX18 series meets the requirement for connectors that are suitable for high-speed applications. FX18 delivers an impressive 10+ Gbps of high-speed transmission.