{"product_id":"siemens-hf3b030","title":"Siemens HF3B030 30A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Siemens, the HF3B030 is a reliable three-pole circuit breaker designed to protect three-phase electrical systems up to 600 volts. With a 30-amp rating, this device provides precise overload protection for moderate load circuits in commercial or light-industrial environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey advantages\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection for balanced three-phase circuits:\u003c\/strong\u003e ensures simultaneous isolation of all phases when an overcurrent or fault is detected.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum voltage rating:\u003c\/strong\u003e suitable for distribution panels and equipment fed from standard industrial power supplies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpecified for 30 A load:\u003c\/strong\u003e reduces nuisance tripping while safeguarding wiring and motors from overload.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid Siemens build quality:\u003c\/strong\u003e part number HF3B030 for easy ordering and compatibility with Siemens panels and accessories.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimple reset and reliable trip mechanism:\u003c\/strong\u003e clear indication of fault condition and straightforward restoration after corrective action.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e engineers, panel builders, and maintenance teams who need dependable protection for three-phase equipment such as small motors, conveyors, pumps, or HVAC controls. The HF3B030 is well-suited for:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eNew installations in commercial or industrial panels requiring a standard 3-pole, 600 V circuit breaker;\u003c\/li\u003e \u003cli\u003eRetrofit projects where a like-for-like Siemens replacement keeps panel compatibility and spare parts readily available;\u003c\/li\u003e \u003cli\u003eService-ready protection in compact control cabinets with three-phase distribution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow this differs from common single- or two-pole breakers. By using a three-pole design, you gain synchronized interruption across all phases, reducing the risk of hung or partially energized equipment. The HF3B030 pairs well with Siemens disconnects, busbars, and mounting rails, helping you streamline panel assembly and maintenance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eInstallation and maintenance tips\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify your panel's compatibility with HF3B030 in terms of mounting format and bus arrangement before installation.\u003c\/li\u003e \u003cli\u003eInstall per electrical codes and the manufacturer's guidelines; ensure the system is de-energized during replacement or service work.\u003c\/li\u003e \u003cli\u003ePeriodically inspect the trip mechanism for smooth operation and test trip functionality as part of routine electrical maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePerformance you can trust. The Siemens HF3B030 30A 3-Pole 600 V Circuit Breaker is designed to deliver dependable overcurrent protection, cleanly isolating circuits when faults occur, and resetting smoothly once conditions return to normal. Whether you’re stocking spare parts for a Siemens-based fleet or building a new three-phase panel, this breaker delivers precise protection with solid compatibility and enterprise-grade reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423256858786,"sku":"HF3B030","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-hf3b030","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}