{"product_id":"siemens-mbr9302-2000a-600v-bolt-on-circuit-breaker","title":"Siemens MBR9302 - 2000 A, 600 V Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens MBR9302, a high-capacity bolt-on molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a robust 2000 A rating at 600 V, this breaker is built to handle demanding electrical setups while delivering precise, repeatable protection performance.\u003c\/p\u003e \u003ch3\u003eWhy the MBR9302 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: ensures a rigid, vibration-resistant bus connection that maintains consistent contact pressure for reliable operation in challenging environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: combines thermal overload protection with instantaneous magnetic tripping, delivering stable protection curves and fast fault interruption when it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e: 2000 A at 600 V makes it ideal for large branch circuits, feeders, and critical load paths in panelboards and distribution gear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: designed to pair with matching Siemens OEM load centers and panelboards, simplifying replacement, maintenance, and system coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across sectors\u003c\/strong\u003e: suitable for residential, commercial, and light industrial applications where dependable overcurrent and short-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and scenarios\u003c\/h3\u003e\n\u003cp\u003eUse the MBR9302 to protect heavy feeders in main distribution panels, safeguard large motor circuits, or secure critical branches in multi-tenant buildings. Its bolt-on design is particularly advantageous for panel upgrades or retrofits where a secure, vibration-resistant connection is critical, reducing the risk of loose contacts that can lead to nuisance trips or degraded protection.\u003c\/p\u003e \u003ch3\u003eBetter protection, easier maintenance\u003c\/h3\u003e\n\u003cp\u003eCompared to smaller or non-bolt-on breakers, the MBR9302 provides a more durable bus connection and superior resistance to vibration-induced wear. Its thermal-magnetic trip behavior offers predictable response across temperature variations, helping facility teams plan preventive maintenance with confidence and minimize unexpected outages.\u003c\/p\u003e \u003ch3\u003eSpecification snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: MBR9302\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 2000 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355133890722,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_de6f8904-df51-4196-b5e2-301a4a2bdae9.png?v=1764689504","url":"https:\/\/www.ampstate.com\/products\/siemens-mbr9302-2000a-600v-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}