Siemens QJH22B150 - 150 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens QJH22B150 — a 150 A, 240 V, 2-pole bolt-on molded case circuit breaker designed to protect your electrical system from overcurrent and short circuits. Built to fit seamlessly in panelboards and loadcenters, it delivers reliable, code-compliant protection for a range of installations.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing the risk of loose connections in service equipment.
• Thermal-magnetic trip unit offers stable, repeatable protection: the thermal element handles sustained overloads; the magnetic element reacts quickly to short circuits, helping protect wiring and devices downstream.
• OEM-panel compatibility designed to work with matching Siemens OEM loadcenters and panelboards for a guaranteed fit and straightforward stocking and replacement.
• 2-pole, 150 A, 240 V configuration protects both conductors of 240 V circuits, ideal for feeders, main/branch protection, and heavy-duty residential or light commercial applications.
• Versatile applications suited for residential, commercial, and light industrial settings where dependable branch circuit protection is essential.

Designed for use in panelboards and loadcenters that require Siemens QJH-type breakers, the QJH22B150 helps you maintain consistent protection performance across the system and simplifies maintenance planning by using a single, compatible family of devices.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: QJH22B150
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Whether you're stocking for service calls, upgrading a panel, or fitting out a new installation, the Siemens QJH22B150 delivers robust protection, OEM-ready compatibility, and a dependable, long-term solution for 240 V circuits.