Shneider GM20D4N1254BEE | Manual transfer switch, GoPact MTS 200, 4 poles, 125A, 415VAC 50/60Hz, extended rotary handle, open transition

1. Technical Specifications

• Product Name: Schneider Electric GM20D4N1254BEE

• Device Type: Manual Transfer Switch

• Series: GoPact MTS 200

• Number of Poles: 4 Poles

• Rated Current: 125 Amps

• Rated Voltage: 415 VAC

• Frequency: 50/60 Hz

• Switching Type: Open Transition (No overlap between power sources)

• Operation Method: Manual, with extended rotary handle

• Mounting Style: Panel or enclosure installation

• Application: Manual transfer between two power sources (e.g., utility and generator)

2. Key Features

1. Safe Open-Transition Transfer Mechanism
   Ensures that the two power sources (main and backup) are never connected simultaneously, avoiding short circuits and equipment damage.

2. 125A Rated Capacity for Higher Power Loads
   Suitable for medium to large applications requiring reliable power source switching with high load handling.

3. Four-Pole Configuration
   Provides full disconnection of all phases including the neutral conductor, enhancing safety and meeting electrical code requirements.

4. Extended Rotary Handle
   Designed for ergonomic and safe manual control from outside the panel—ideal for use in enclosed systems.

5. Rugged Construction and Long-Term Reliability
   Engineered to perform under industrial conditions with high mechanical and electrical endurance.

3. Typical Applications

• Industrial Plants and Factories
  Used to manually switch between utility and generator supplies during power outages or maintenance.

• Data Centers and Server Rooms
  Provides manual backup source control where automatic transfer switches are not installed.

• Commercial Complexes and Malls
  Enables easy manual intervention to switch between grid and backup power.

• Hospitals, Schools, and Government Facilities
  Ensures safe and dependable power switching in critical environments.

• Large Residential Installations
  Ideal for villas or apartment blocks with standby generators for emergency use.