Siemens QJH23B100 - 100 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens QJH23B100 is a purpose-built, 100A, 240V, 3-pole bolt-on molded case circuit breaker engineered to protect your electrical system from overcurrent and short circuits in panelboards and loadcenters. Built for reliability, it delivers consistent protection in a compact, bolt-on package that installers trust. - Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays tight even in demanding environments. - Thermal-magnetic trip unit provides stable, repeatable protection by responding to both sustained overloads and instantaneous short circuits, helping prevent nuisance trips and equipment damage. - Designed for compatibility with matching OEM loadcenters and panelboards, ensuring a reliable fit and streamlined replacement or upgrade. - Versatile across residential, commercial, and light industrial settings, making it a practical choice for new installations or panel upgrades. Key features and benefits: - Precise protection: The thermal-magnetic trip mechanism offers accurate coordination with downstream devices, reducing the risk of cascading faults and preserving service continuity. - Durable construction: Molded case design paired with a bolt-on mounting scheme delivers robust performance in environments with vibration, temperature swings, or frequent panel access. - Easy integration: With a 3-pole configuration, this breaker safely interrupts three live conductors, ideal for 3-phase distribution or multi-wire branch circuits in larger panels. - OEM-ready: Built to align with Siemens’ own loadcenters and panelboards, helping you maintain consistent electrical performance and warranty compatibility. What problems this solves: - Prevents damage from overcurrent and short circuits by interrupting fault currents quickly and reliably. - Simplifies panel upgrades or retrofits with a bolt-on solution that delivers a secure, long-lasting connection. - Reduces downtime and maintenance hassles through a dependable, repeatable protection device designed for standard commercial and residential panels. Ideal for: - Electricians performing panelboard upgrades or replacement projects in homes, offices, retail spaces, and light manufacturing environments. - Upgrading feeder or branch circuits that require a solid 100A, 240V, 3-pole protection solution. - Projects where OEM compatibility and a rigid mounting method matter for long-term reliability. Technical snapshot: - Manufacturer: Siemens - Part Number: QJH23B100 - Type: Thermal-magnetic molded case circuit breaker - Amperage Rating: 100A - Voltage Rating: 240V - Number of Poles: 3 - Mounting Style: Bolt-on - Application: Branch circuit overcurrent and short-circuit protection With the Siemens QJH23B100, you get a trusted, purpose-built solution that combines a secure mechanical fit with precise thermal-magnetic protection. It’s ready to integrate into your panel system, delivering dependable performance when it matters most—protecting circuits, equipment, and the people who rely on them.