{"product_id":"siemens-qj23b150ha02-circuit-breaker","title":"Siemens | QJ23B150HA02 | Circuit Breaker | 150A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJ23B150HA02 is a dependable 150A, 3-pole, 240V circuit breaker designed for maintenance, retrofit, and replacement tasks where precise compatibility matters. By matching the part number to your Siemens panel, you ensure reliable, consistent protection across three phases.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 150 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFit and ratings must align with your panel's design. The part number QJ23B150HA02 is the best reference for compatibility, ensuring the breaker seats correctly, mates with the bus bar, and maintains proper trip characteristics. Before ordering, verify that your Siemens panel accepts QJ-series breakers and that 150A\/3-Pole at 240V matches your circuit requirements.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eReplacement for failed 3‑pole, 240V breakers in Siemens panels\u003c\/li\u003e\n\u003cli\u003eRetrofit projects upgrading circuits to 150A capacity while preserving panel compatibility\u003c\/li\u003e\n\u003cli\u003eNew installations in environments that standardize on Siemens QJ breakers for consistent protection and easier maintenance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this Siemens breaker stands out in practical terms\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eExact form factor and connection scheme for Siemens QJ-series panels, reducing installation guesswork\u003c\/li\u003e\n\u003cli\u003eClear identification through the QJ23B150HA02 part number, simplifying procurement and service records\u003c\/li\u003e\n\u003cli\u003eTrusted Siemens engineering delivers predictable trip response and reliable overload protection for 240V, three‑phase circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; safety tips\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eAlways power down the panel and follow lockout\/tagout procedures before replacing a breaker\u003c\/li\u003e\n\u003cli\u003eUse the panel manufacturer’s torque specs and wiring guidelines to ensure secure terminations\u003c\/li\u003e\n\u003cli\u003eAfter installation, label the circuit clearly and test continuity and trip function in a controlled, safe environment\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor technicians and facility managers who demand consistency, traceability, and dependable protection, the Siemens QJ23B150HA02 150A 3‑Pole 240V circuit breaker is a precise fit for compatible panels and retrofit projects. Confirm fit and ratings before ordering to ensure seamless integration with your Siemens electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427422949538,"sku":"QJ23B150HA02","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj23b150ha02-circuit-breaker-150a-3-pole-240v-392.webp?v=1789721426","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b150ha02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}