QJH23B125 | Siemens 3-Pole Molded Case Circuit Breaker 125A

Description 

The Siemens QJH23B125 is a molded case circuit breaker from the QJ Frame family, rated for 125 A at 240 V AC. With a 3-pole, 3-phase configuration and bolt-on connection, it provides thermal-magnetic protection with long-time and instantaneous trip functions.

Technical Specifications 

Information About QJH23B125

The QJH23B125 is part of Siemens’ QJ Frame molded case circuit breaker family, built for reliable protection of electrical systems in commercial and industrial applications. This breaker operates at 240 V with a 125 A rating, making it suitable for protecting branch circuits, panelboards, and switchboards. With thermal-magnetic trip functionality, it provides both overload and short-circuit protection through long-time and instantaneous trip modes. The breaker is rated for a 22 kA interrupting capacity at 240 V, ensuring safe performance under fault conditions. Its bolt-on connection design simplifies secure installation in distribution systems.

Key Features:

• 125 A Current Rating: Provides reliable protection for medium-capacity circuits at 240 V AC.

• 3-Pole, 3-Phase Design: Ensures compatibility with standard industrial and commercial power systems.

• Thermal-Magnetic Protection: Offers long-time overload and instantaneous short-circuit protection.

• High Interrupt Capacity: Rated at 22 kA @ 240 V for safe operation under fault conditions.

• QJ Frame Construction: Part of Siemens’ QJ series, designed for reliability and durability.

• Bolt-On Connection: Ensures secure mounting in panelboards and switchboards.

• Standards Compliance: UL listed for verified safety and performance.

• Industrial Application Ready: Suitable for use in motor control centers, power distribution, and industrial equipment.

The QJH23B125 delivers the reliability and precision required for protecting medium-capacity circuits in commercial and industrial electrical systems.