{"product_id":"square-d-gjl36040-circuit-breaker","title":"Square D | GJL36040 | Circuit Breaker | 40A | 3-Pole | 600V | 65kA","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D GJL36040 circuit breaker—a reliable, three‑pole protection device built for demanding electrical environments. With a 40 A rating and a 600 V maximum, this breaker is engineered to safeguard three‑phase circuits while delivering predictable, decisive trip performance when faults occur.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting capacity\u003c\/strong\u003e: 65 kA\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the GJL36040 for maintenance, retrofit, or replacement? This unit is identified by the part number GJL36040, ensuring exact compatibility with your Square D panel and existing accessories. The part number is the best reference for matching fit, trip characteristics, and mounting footprint—so \u003cem\u003econfirm fit and ratings before ordering\u003c\/em\u003e.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e:\n- Retrofit projects where a precise 40 A, 3‑pole solution is required to align with existing panel configurations\n- Replacement of aging breakers in Square D installations that demand solid protection for 3‑phase machinery\n- Industrial and commercial applications where high fault current is possible, and a 65 kA interrupting rating offers robust protection\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this breaker stand out\u003c\/strong\u003e:\n- Genuine Square D design tailored to panels and accessories within the same ecosystem\n- Clear, defined trip characteristics that support reliable protection for downstream equipment\n- A three‑pole configuration that simplifies wiring and ensures balanced protection across phases\u003c\/p\u003e \u003cp\u003eWhen you’re aligning a panel schedule or sourcing parts for a critical upgrade, the GJL36040 provides a precise, dependable match for 40 A, 3‑pole, 600 V circuits with strong interrupting capacity. Use this as your go‑to reference for compatibility and protection in your Square D installations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424500011170,"sku":"GJL36040","price":2462.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-gjl36040-circuit-breaker-40a-3-pole-600v-65ka-230.webp?v=1789372581","url":"https:\/\/www.ampstate.com\/products\/square-d-gjl36040-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}