{"product_id":"siemens-qj23b090hl-circuit-breaker","title":"Siemens | QJ23B090HL | Circuit Breaker | 90A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ23B090HL circuit breaker—a 90A, 3-pole, 240V bolt-on solution crafted for reliable overcurrent protection in three-phase electrical systems. Built for maintenance, retrofit, and replacement projects, this unit slides into compatible Siemens panels with ease, restoring safety and control where uptime matters most.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJ23B090HL\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this Siemens QJ bolt-on breaker stands out\u003c\/h2\u003e\n\u003cp\u003eDesigned to pair with Siemens panels that accept QJ-series bolt-on breakers, the QJ23B090HL delivers dependable, uniform protection across all three phases. The bolt-on mounting provides a secure, vibration-resistant installation, ideal for industrial and commercial environments where reliability is non-negotiable. With a 90A rating, it safeguards higher-load circuits common in factories, data centers, and large workshop setups, while ensuring rapid disconnection when faults occur—minimizing damage and downtime.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance or replacement in existing Siemens panels that support QJ bolt-on breakers\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade or reconfigure 3-phase, 240V electrical distributions\u003c\/li\u003e \u003cli\u003eEmergency replacements for failed 3-pole breakers in commercial or light-industrial installations\u003c\/li\u003e \u003cli\u003eSpare parts for field service teams and ongoing equipment protection needs\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and installation notes\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your exact setup. The part number QJ23B090HL is the best reference for compatibility with Siemens panels designed to accept QJ bolt-on breakers. Installation should be performed by a qualified electrician, with the service de-energized and the panel operated according to the manufacturer’s instructions.\u003c\/p\u003e \u003ch2\u003eWhat this means for your operation\u003c\/h2\u003e\n\u003cp\u003eWith the Siemens QJ23B090HL, you gain a trusted, purpose-built 90A protection device that simplifies panel maintenance, supports retrofit projects, and keeps critical three-phase loads safeguarded. It’s not just a replacement—it's a thoughtfully engineered component designed to maintain system safety, reliability, and performance across demanding electrical environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427423244450,"sku":"QJ23B090HL","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b090hl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}