BM1-125L/3300 125A 3-Pole Molded Case Circuit Breaker for Electrical Distribution

Product Features

The BM1-125L/3300 is a 3-pole molded case circuit breaker designed for circuit protection and switching in low-voltage electrical distribution systems. The product features clearly identified LINE input terminals and LOAD output terminals, making electrical connection and circuit identification more convenient.

The circuit breaker is rated at 125A and provides a rated insulation voltage of 690V and rated operational voltage of 380V at 50Hz. It also provides a rated ultimate short-circuit breaking capacity of 35kA, supporting reliable protection for electrical distribution circuits.

The product is equipped with a clear ON/OFF operating mechanism and a visible red trip indication button, allowing convenient operation and circuit status identification.

Application

Suitable for low-voltage electrical distribution systems, industrial control panels, power distribution equipment, commercial buildings and other electrical installations requiring circuit protection and switching.

It can be used for protecting and controlling electrical circuits and equipment in industrial, commercial and general power distribution applications where a molded case circuit breaker is required.

Specifications

Model: BM1-125L/3300

Product type: Molded Case Circuit Breaker (MCCB)

Number of poles: 3 poles

Rated current In: 125A

Rated insulation voltage Ui: 690V

Rated operational voltage Ue: 380V

Frequency: 50Hz

Rated ultimate short-circuit breaking capacity Icu: 35kA

Rated service short-circuit breaking capacity Ics: 8kA

Instantaneous trip setting Ii: 10In

Standard: IEC 60947-2 / GB 14048.2

Utilization category: A

Rated ambient temperature: +40℃

Product Details

The product adopts a robust molded case structure with a clear terminal layout and visible electrical identification on the front. The LINE and LOAD positions are clearly marked to facilitate installation and wiring.

The front panel provides key product information, including the model, rated current, voltage and short-circuit breaking capacity, making product identification and selection more convenient.

The circuit breaker features a practical operating handle and a visible red trip indication button, providing convenient operation and circuit status identification during electrical system maintenance.