{"product_id":"hma3400-circuit-breaker","title":"HMA3400 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the HMA3400 Circuit Breaker — a rugged, industrial-grade protection device engineered for reliability in demanding power systems. With a 400A capacity and a 3-pole configuration for 600V services, this unit delivers precise, dependable fault protection where it matters most. Designed for maintenance, retrofit, and replacement projects, it ensures your protection specs stay exact and your downtime stays minimal.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: 400A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003eReference: Part number HMA3400 for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world use — when your system runs on three-phase power, a matching 3-pole breaker guarantees synchronized disconnection across all lines, preventing unbalanced faults that can damage equipment. The HMA3400’s precise spec alignment minimizes compatibility guesswork during maintenance or retrofit, helping you protect motors, drives, and distribution panels without over- or under-protecting circuits.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaintenance-friendly: Swap in a like-for-like unit that mirrors the original protection characteristics to keep equipment protected during service windows.\u003c\/li\u003e \u003cli\u003eRetrofit-ready: Ideal for updating panels that require exact current, pole configuration, and voltage ratings without reengineering bus bars or wiring schemes.\u003c\/li\u003e \u003cli\u003eReplacement-safe: When replacement is needed, rely on the well-known HMA3400 reference to verify fit and ratings before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant compatibility note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, ensuring you choose the correct breaker for your panel, wiring, and protection requirements.\u003c\/p\u003e \u003cp\u003ePractical tips for buyers: have your panel’s documentation on hand, verify the service voltage (600V), confirm the three-phase configuration, and double-check any panel-specific mounting or termination features listed by the original equipment manufacturer. If your goal is a straightforward, spec-aligned replacement or upgrade, the HMA3400 provides a clear, reliable path to maintaining safe, compliant industrial power distribution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426464452770,"sku":"HMA3400","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/hma3400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}