Schneider Electric M16H1 Air Circuit Breaker Product Description
October 31, 2026

Schneider Electric M16H1 Air Circuit Breaker Product Description

Schneider Electric M16H1 air circuit breaker,1600A MasterPact breaker frame for low‑voltage power distribution protection.

Description

Schneider Electric M16H1 Air Circuit Breaker Product Description

Product Overview

Schneider Electric M16H1 is a heavy‑duty air circuit breaker from the Schneider Electric MasterPact series for low‑voltage power distribution systems. This Schneider Electric air circuit breaker is designed for main incoming and outgoing circuit protection inside industrial and commercial low‑voltage switchgear cabinets. The Schneider Electric M16H1 air circuit breaker features 1600A rated current and H1‑grade short‑circuit breaking capacity, supporting maximum operating voltage up to 690V AC. Available in both fixed and drawout configurations, Schneider Electric M16H1 simplifies cabinet inspection, routine maintenance and spare‑part replacement work. As a bare frame unit, this Schneider Electric air circuit breaker requires matching Micrologic trip unit to realize complete protection functions and complies with IEC 60947‑2 international standards for global power distribution projects.

Core Technical Characteristics

Schneider Electric M16H1 air circuit breaker adopts reinforced mechanical structure to guarantee stable long‑term operation in demanding power distribution environments. This Schneider Electric air circuit breaker delivers excellent mechanical and electrical durability for frequent switching cycles within main power panels. Schneider Electric M16H1 air circuit breaker does not come with built‑in trip unit; users can select different Micrologic electronic trip units to configure overload, short‑time delay and instantaneous protection parameters according to on‑site load conditions. The Schneider Electric M16H1 air circuit breaker provides 1000V insulation voltage and 12kV impulse withstand voltage, effectively resisting voltage surges and electromagnetic interference from heavy‑industry plant sites. Its high short‑time withstand current performance ensures system safety even under severe short‑circuit stress in power distribution networks.

Main Functional Features

Schneider Electric M16H1 air circuit breaker provides reliable mechanical isolation foundation for power distribution infrastructure against various electrical faults. After installing compatible trip unit, this air circuit breaker supports long‑time overload protection to prevent equipment damage caused by sustained over‑loading. Short‑time delay function avoids unwanted tripping during large‑motor startup current surges. Instantaneous short‑circuit protection cuts high fault current rapidly once short‑circuit incidents occur. The Schneider Electric M16H1 air circuit breaker supports optional ground‑fault protection modules to enhance safety level for critical power distribution sites. This Schneider Electric air circuit breaker reserves auxiliary contact interfaces for status feedback signal output, enabling remote monitoring and seamless connection with plant DCS and PLC control systems.

Typical Application Scenarios

Schneider Electric M16H1 air circuit breaker serves as core protection device for large‑capacity low‑voltage power distribution cabinets. This Schneider Electric air circuit breaker is widely deployed in manufacturing factories, data centers, large‑scale commercial complexes and power station switch‑rooms. Schneider Electric M16H1 air circuit breaker fits new power distribution system construction, switchgear retrofitting and replacement of aging MasterPact‑series breaker frames. In high‑current busbar systems, the Schneider Electric M16H1 air circuit breaker maintains power‑supply continuity for vital production and business loads. Its drawout variant is highly preferred for sites requiring quick breaker swap‑out with minimal power‑off duration.

Installation & Maintenance Notes

Operators must follow official Schneider Electric hardware manuals while installing Schneider Electric M16H1 air circuit breaker. Select and mount compatible Micrologic trip unit before commissioning, and set correct wiring torque as well as protection parameters to guarantee stable performance of this Schneider Electric air circuit breaker. Conduct regular visual inspection and mechanical operation tests for Schneider Electric M16H1 air circuit breaker under heavy‑load or high‑vibration working conditions. For drawout‑type Schneider Electric M16H1, service technicians can extract the breaker main body without disconnecting primary busbars, effectively shortening maintenance downtime. Always confirm part designation M16H1 before replacement to ensure full compatibility with existing power distribution rack systems.


Get a Quote