Manual Service Disconnect Plug supports 200 A.

Press Release Summary:

By physically interrupting electric circuit when rotated to Off position, EM30MSD Series protects operators from high-voltage (1,500 V AC/DC) shock accidents. Plug connector features signal contact with interlocking switch to detect mating status and automatically shuts off power when disconnected to avoid hot swapping. Along with multiple contact point design, features include IEC 60601 finger test compliance; round, multi-contact plug terminal contact structure; and bayonet lock systems.

Original Press Release:

Hirose's New High Power EM30MSD Series Manual Service Disconnect Plug Supports 200 Amps

Plug connector manually shuts off power when disconnected, ensuring worker safety in storage battery, construction machinery, and hybrid vehicle applications...

SIMI VALLEY, CA -- Hirose, a leader in the development of innovative connector solutions, has launched a high power manual service disconnect that protects operators from high voltage shock accidents. Supporting up to 200 Amps, the EM30MSD Series plug connector features a signal contact with an interlocking switch to detect the mating status.

Designed for storage battery, construction machinery, battery-powered forklifts, and hybrid vehicle applications, the small, lightweight service plug physically interrupts the electric circuit when rotated to the "off" position. The EM30MSD Series connector automatically shuts off power when disconnected to avoid hot swapping. Providing additional safety measures for field operators, the plug connector meets the IEC 60601finger test.

The EM30MSD Series has a multiple contact point design that significantly lowers the contact resistance and provides a higher current capacity. The round, multi-contact plug terminal contact structure and bayonet lock systems provides shock resistance to JASO D 014-3 (ISO16750-3). The rugged connector design also features a high voltage rating of 1500 V AC/DC.

With an IP68 rated waterproof housing, the EM30MSD Series connector is configured to prevent water intrusion. The rugged plug connector delivers excellent durability, and is rated to 50 mating cycles.

"This high-power manual service disconnect allows workers to quickly and safely turn an entire system off before starting maintenance on a piece of equipment. The connector also provides IP2X finger protection to further reduce the chances of shock accidents," said Rick van Weezel, Vice-President of Sales and Marketing for Hirose Electric USA.

Standard commercial crimp terminals can be used with the EM30MSD Series manual service disconnect. A JIS C 9711 crimp tool and M8 crimp terminal are recommended.

For additional information about the EM30MSD Series connectors, please visit:


Hirose Electric Co., Ltd. is a leading global supplier of innovative interconnects, with sales of over $1 billion to customers worldwide. Hirose employs advanced engineering services, superior customer support and worldwide manufacturing capabilities to provide value-based connector solutions for various industries including: industrial, telecommunication, consumer electronics, computer and automotive. More information can be found on Hirose Electric's corporate website at

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