BTM8-250/3300 3-Pole 250A MCCB Molded Case Circuit Breaker for AC Circuit Protection

Product Features

The BTM8-250/3300 is a 3-pole molded case circuit breaker designed for switching and protecting AC electrical circuits. With a rated current of 250A, it provides a practical solution for medium-current power distribution and circuit protection applications.

The product features clearly marked LINE and LOAD terminal positions, helping simplify circuit connection and identification. The front-mounted operating handle provides convenient manual switching and clear ON/OFF operation.

The circuit breaker is equipped with a PUSH TO TRIP function for practical testing and operation. Its molded case construction provides a robust housing suitable for electrical distribution and control environments.

Application

Suitable for AC power distribution systems, electrical control panels, industrial electrical equipment and other circuit protection applications. It can be used for protecting distribution circuits and electrical loads in commercial, industrial and infrastructure electrical systems.

Specifications

Model: BTM8-250/3300

Product Type: Molded Case Circuit Breaker (MCCB)

Number of Poles: 3 poles

Rated Current In: 250A

Rated Operational Voltage Ue: AC 380/400/415V; AC 660/690V

Rated Insulation Voltage Ui: 1000V

Rated Impulse Withstand Voltage Uimp: 12kV

Rated Frequency: 50/60Hz

Rated Ultimate Short-Circuit Breaking Capacity Icu: 65kA at AC 380/400/415V; 20kA at AC 660/690V

Rated Service Short-Circuit Breaking Capacity Ics: 50kA at AC 380/400/415V; 15kA at AC 660/690V

Trip Characteristic: Ii = 10In

Utilization Category: Category A

Standard: IEC/EN 60947-2

Operating Temperature: Up to +40℃

Product Details

The BTM8-250/3300 adopts a robust molded case structure with a compact and practical front-panel design. The product is equipped with a large operating handle and clearly marked LINE and LOAD connection positions for convenient installation and operation.

The front nameplate provides important electrical parameters, including rated current, voltage, short-circuit breaking capacity and insulation voltage, making product identification and selection easier. The product also features a PUSH TO TRIP function and visible CE marking on the front panel.