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Siemens VL Series HGB3B125B

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HGB3B125B

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The HGB3B125B from Siemens is a three-pole molded case circuit breaker designed for efficient circuit protection. It supports a rated current of 125 A and features both long-time and instantaneous trip functions for reliable operation.

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Technical specifications for HGB3B125B

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker
Product LineVL Series
Part NumberHGB3B125B
UPC887621219901
Trip FunctionsLong-time, Instantaneous
Protection TypeThermal Magnetic
Interrupt Rating (600Y/347V)14 kAIC
Terminal TypeLoad-side Lug
Phase Type3-Phase
Interrupt Rating (480Y/277V)35 kAIC
Wire Size Range8–1/0 AWG Cu/Al
Rated Current125 A
Mounting TypePanelboard
Poles3 Poles
Voltage Rating600 Vac
Connection TypeBolt-on
Frequency50/60 Hz

The Siemens HGB3B125B molded case circuit breaker is essential for ensuring the safety and reliability of electrical systems. Rated for a maximum current of 125 A, it operates effectively within a voltage rating of 600 Vac. This model is designed for three-phase applications and incorporates thermal magnetic protection. Its trip functionalities include both long-time and instantaneous options, enhancing its ability to react appropriately to various electrical conditions.

With an interrupt rating of 35 kAIC at 480Y/277 V, it provides robust protection against fault conditions, while at 600Y/347 V, the interrupt rating stands at 14 kAIC. The terminal type is load-side lug, facilitating easy connection to the electrical system. This breaker can accommodate wires ranging from 8 AWG to 1/0 AWG for both copper and aluminum setups.

The HGB3B125B is easily mounted on panelboards and features bolt-on connections for secure installation. Designed to work within a frequency range of 50 to 60 Hz, this circuit breaker ensures solid performance across industrial applications. Overall, the HGB3B125B delivers a combination of reliability and safety in circuit protection.