{"product_id":"siemens-hgb1b070b","title":"Siemens HGB1B070B 70A 1-Pole 347 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens \u003cstrong\u003eHGB1B070B\u003c\/strong\u003e is a purpose-built circuit breaker designed for 347-volt networks. This \u003cstrong\u003e70 A, 1-pole\u003c\/strong\u003e device delivers dependable overcurrent protection for critical feeders and is crafted to work seamlessly with protection schemes that leverage \u003cem\u003epotential transformers\u003c\/em\u003e for accurate sensing and metering in modern electrical panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HGB1B070B\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 347 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this Siemens breaker? It combines a compact single-pole form factor with a targeted protection profile for 347 V systems—common in commercial buildings and light industrial settings. With potential transformer compatibility, it supports integrated protection and metering workflows, helping your protection relays and meters coordinate fast, selective trips that minimize downtime and protect essential equipment.\u003c\/p\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFeeder protection in 347 V commercial electrical rooms and switchgear\u003c\/li\u003e \u003cli\u003eSingle-pole protection within three-phase distributions that use 347 V as the system specification\u003c\/li\u003e \u003cli\u003eRetrofit or replacement in Siemens panels that require PT-compatible protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify system voltage and panel compatibility before installation\u003c\/li\u003e \u003cli\u003eEnsure connections are clean and torqued according to Siemens guidelines\u003c\/li\u003e \u003cli\u003eSchedule regular functional checks within your preventive maintenance plan to confirm reliable tripping behavior\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor engineers and technicians designing resilient electrical infrastructure, the Siemens HGB1B070B delivers precise, PT-ready protection that aligns with modern metering and relay-based protection schemes. It’s a thoughtful choice for ensuring dependable, safe operation in 347 V circuits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423220420770,"sku":"HGB1B070B","price":821.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hgb1b070b-70a-1-pole-347-v-circuit-breaker-potential-959.webp?v=1789284611","url":"https:\/\/www.ampstate.com\/products\/siemens-hgb1b070b","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}