{"product_id":"siemens-hr21-30a-240v-disconnect-switch","title":"Siemens HR21 Disconnect Switch, 30A, 240V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HR21 Disconnect Switch is a purpose-built solution for clean, safe power isolation in demanding industrial environments. With a 30 A, 240 V rating, this disconnect switch is designed to support service, maintenance, and replacement projects where a reliable, clearly identifiable shutoff is essential.\u003c\/p\u003e \u003ch3\u003eKey details at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HR21\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Disconnect Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this disconnect switch matters\u003c\/h3\u003e\n\u003cp\u003eIn industrial settings, safe and rapid power isolation is crucial for maintenance, repairs, and equipment replacement. The HR21 provides a dedicated, unambiguous point to disconnect electrical circuits, helping teams work more efficiently and reduce downtime. Its straightforward operation minimizes the risk of accidental energization during a job, supporting safer workflows on the shop floor or in a facility’s electrical room.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical maintenance on machines, motors, or control circuits\u003c\/li\u003e \u003cli\u003eEquipment replacement projects where a reliable disconnect point is required\u003c\/li\u003e \u003cli\u003eIndustrial service work that demands a clearly labeled, easily accessible shutoff\u003c\/li\u003e \u003cli\u003eSituations where verification of compatibility by part number is essential before installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eVerify fit by the HR21 part number and ensure alignment with your application requirements. While the HR21 is designed for industrial service scenarios, confirming compatibility with your specific switchgear or panel is essential. If you need help matching a part number or confirming compatibility, send us a message and we’ll assist you in confirming the best fit for your project.\u003c\/p\u003e \u003ch3\u003eWhat sets the HR21 apart\u003c\/h3\u003e\n\u003cp\u003eUnlike generic disconnect options, the HR21 is a Siemens engineering solution built to integrate into professional electrical service workflows. Its clear, straightforward disconnect capability helps technicians isolate circuits quickly, which can shorten maintenance windows and enhance overall site safety. When you’re updating or replacing aging disconnects, choosing a Siemens HR21 helps ensure consistency with other Siemens components in your system.\u003c\/p\u003e \u003ch3\u003ePractical tips for getting the most out of your HR21\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDouble-check the part number (HR21) against your equipment catalog to confirm compatibility before ordering.\u003c\/li\u003e \u003cli\u003ePlan for reliable accessibility of the disconnect location to support fast, safe energization and de-energization during service work.\u003c\/li\u003e \u003cli\u003eKeep the contact information handy for Siemens support if on-site questions arise during installation or testing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to move forward with your Siemens HR21 disconnect switch? Confirm compatibility using the HR21 part number and application requirements, and if you’d like expert help, message us—we’re ready to assist with precise, project-tested guidance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415434612898,"sku":"HR21","price":341.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/siemens-hr21-30a-240v-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}