{"product_id":"siemens-he3a045l-circuit-breaker","title":"Siemens | HE3A045L | Circuit Breaker | 45A | 3-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HE3A045L is a 45A three-pole circuit breaker engineered for demanding industrial environments. The bolt-on design provides secure mounting in compatible switchgear and control panels, making it a dependable choice for maintenance, retrofit, or replacement projects in 3‑phase 480V systems. Rely on the part number HE3A045L as your best reference for compatibility and accurate ordering.\u003c\/p\u003e \u003cp\u003eKey benefits you’ll feel in real-world applications:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThree-pole (3‑phase) protection that safeguards motors, drives, and feeders in 480V distribution networks\u003c\/li\u003e \u003cli\u003e45A current rating tailored for medium‑duty industrial loads and equipment protection\u003c\/li\u003e \u003cli\u003eBolt-on mounting for a robust, vibration‑resistant connection in panelboards and switchgear\u003c\/li\u003e \u003cli\u003eCompact, dedicated design that fits standard Siemens-compatible installations without excessive panel modification\u003c\/li\u003e \u003cli\u003eClear compatibility signal: rely on the HE3A045L part number when matching against existing equipment or replacement kits\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in manufacturing lines where a precise 3‑pole, 480V breaker is required to protect motors, pumps, conveyors, and air handlers\u003c\/li\u003e \u003cli\u003eReplacement for aging or failed 3‑phase breakers in Siemens‑compatible panels, minimizing downtime and ensuring consistent protection\u003c\/li\u003e \u003cli\u003eNew installations in control panels that demand a secure bolt-on solution for reliable operation in environments with vibration or thermal cycling\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations to maximize performance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings against your panel schedule and equipment specs; the part number HE3A045L is your best compatibility reference\u003c\/li\u003e \u003cli\u003eFollow panel manufacturer torque and mounting guidelines to maintain the integrity of the bolt-on connection\u003c\/li\u003e \u003cli\u003eUse in conjunction with appropriate enclosure clearances and conductor sizing to ensure safe installation and serviceability\u003c\/li\u003e \u003cli\u003eAssess your 3‑phase load profile to ensure 45A protection aligns with motor start currents and startup requirements\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this Siemens model stands out: it combines a precise 45A rating with a 3‑pole, 480V configuration in a bolt-on format, delivering dependable overcurrent protection with a straightforward retrofit path. If your electrical system operates on three-phase 480V and requires a durable, mechanically secure breaker, the HE3A045L offers a focused, build‑level solution designed for real-world industrial use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427519221922,"sku":"HE3A045L","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-he3a045l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}