{"product_id":"siemens-hqj3b150hl-circuit-breaker","title":"Siemens | HQJ3B150HL | Circuit Breaker | 150A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HQJ3B150HL circuit breaker is a bolt-on protection device engineered for dependable performance in 150-amp, 3-pole, 240-volt systems. Designed with retrofit, maintenance, and replacement projects in mind, this breaker helps you restore reliable overcurrent protection quickly in compatible Siemens panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Bolt-On\u003c\/li\u003e \u003cli\u003e\u003cstrongpart number\u003e: HQJ3B150HL\u003c\/strongpart\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the HQJ3B150HL for your panel? This Siemens breaker is purpose-built for bolt-on mounting, delivering solid, secure connections that stand up to routine service and motor-driven loads. It’s ideal for 3-phase applications and circuit protection in panels that require a 3-pole, 240-volt device, making it a practical choice for commercial and industrial environments as well as larger residential setups.\u003c\/p\u003e \u003cp\u003eImportant compatibility notes\u003c\/p\u003e \u003cul\u003e \u003cli\u003eConfirm fit by matching \u003cstrong\u003eamperage\u003c\/strong\u003e, \u003cstrong\u003epoles\u003c\/strong\u003e, \u003cstrong\u003evoltage\u003c\/strong\u003e, and \u003cstrong\u003ebolt-on mounting\u003c\/strong\u003e with your panel’s specifications.\u003c\/li\u003e \u003cli\u003eThe best reference for compatibility is the \u003cstrong\u003eHQJ3B150HL\u003c\/strong\u003e part number. Use this identifier to verify that you’re selecting the exact replacement or retrofit part your panel requires.\u003c\/li\u003e \u003cli\u003eBefore ordering, review your panel’s labeling and service manual to ensure a seamless swap without altering bus configurations or rating requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases and benefits\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRetrofit projects in existing Siemens bolt-on panels where a 150 A, 3-pole, 240 V protection device is needed.\u003c\/li\u003e \u003cli\u003eReplacements for aging or failed breakers in ongoing maintenance programs, reducing downtime and preserving system protection.\u003c\/li\u003e \u003cli\u003eMotor control and 3-phase circuits where precise overcurrent protection at 240 V is essential for equipment safety and process reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical installation considerations\u003c\/p\u003e \u003cul\u003e \u003cli\u003eTurn off the main power and follow standard electrical safety practices during replacement.\u003c\/li\u003e \u003cli\u003eEnsure the panel’s mounting hardware and bus bar configuration are compatible with bolt-on breakers of this specification.\u003c\/li\u003e \u003cli\u003eTorque and installation procedures should align with your panel’s manufacturer guidelines to maintain proper protection integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427069350050,"sku":"HQJ3B150HL","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj3b150hl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}