BTM7-250L/3300 3-pole 250A Molded Case Circuit Breaker

a 3-pole molded case circuit breaker designed for circuit protection and switching in low-voltage electrical distribution systems. With a rated current of 250A, it provides reliable protection for electrical circuits and equipment in a variety of distribution applications.

The circuit breaker features clearly identified numbered terminals for convenient circuit connection and identification. The front-mounted operating handle allows straightforward manual ON/OFF operation, while the PUSH TO TRIP function supports practical circuit testing and operation.

The molded housing provides a solid and durable structure suitable for electrical distribution and industrial applications.

Application

Suitable for industrial electrical systems, power distribution panels, commercial buildings, electrical equipment and low-voltage distribution applications.

It can be used for protecting and switching circuits supplying motors, machinery, distribution equipment and other electrical loads where reliable circuit protection is required.

Specifications

Model: BTM7-250L 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: 8kV
Rated short-circuit breaking capacity Icu/Ics: 36/20kA at AC 380/400/415V; 8/5kA at AC 660/690V
Instantaneous trip setting Ii: 10In
Frequency: 50/60Hz
Standard: GB/T 14048.2 / EN/IEC 60947-2
Category: Cat.A
Ambient temperature: +40℃

Product Details

The product adopts a robust molded case structure with a clear front operating mechanism and numbered connection terminals. The large operating handle provides convenient manual switching, while the front nameplate clearly displays key electrical specifications for product identification and selection.

The BTM7-250L 3300 is designed for medium-to-high current electrical distribution applications, providing a practical solution for circuit switching and protection in industrial, commercial and low-voltage power distribution systems.