{"product_id":"siemens-hgb1b030b-30a-1p-347v-circuit-breaker","title":"Siemens HGB1B030B 30A 1P 347V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HGB1B030B — a bolt-on, 30 A, 1-pole circuit breaker designed for Siemens panelboards, load centers, and electrical distribution networks. This part is a smart pick for maintenance teams, panel builders, and spare inventories where exact part-number matching matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e offers secure, tool-free installation on compatible Siemens enclosures, accelerating replacements and reducing service downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eElectrical specs\u003c\/strong\u003e — 30 A, 1 pole, 347 V (line-to-line). Built to protect single-phase circuits in commercial and industrial 347 V distributed systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match\u003c\/strong\u003e — HGB1B030B ensures seamless compatibility with existing Siemens gear, simplifying procurement and inventory accuracy.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e — ideal for panelboards, load centers, and electrical distribution setups where targeted single-pole protection is required at 347 V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical benefits\u003c\/strong\u003e — fast, reliable replacements that help maintain uptime and system reliability without compromising safety or performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWho should buy\u003c\/strong\u003e — maintenance teams, electrical contractors, and panel builders needing OEM-specific protection for Siemens installations; also a dependable spare for service vans and warehouses.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability\u003c\/strong\u003e — available from AmpState with support to confirm fit and compatibility with your panel lineup; message us to verify exact match before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: a dedicated single-pole breaker for 347 V distribution ensures quick fault isolation and minimal disruption to other circuits. Choosing the precise HGB1B030B eliminates mismatches, saves time, and keeps your Siemens-based electrical infrastructure running smoothly.\u003c\/p\u003e \u003cp\u003eUsage tips: before installation, confirm your panel accepts bolt-on Siemens breakers in the HGB1B family and that 347 V circuits are within your system’s rating. Store the unit in a clean, dry environment to maintain contact integrity, and if you’re unsure about fit, AmpState can help verify compatibility with your existing equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410989011106,"sku":"HGB1B030B","price":389.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hgb1b030b-30a-1p-347v-circuit-breaker-bolt-on-ampstate-543.webp?v=1789000982","url":"https:\/\/www.ampstate.com\/products\/siemens-hgb1b030b-30a-1p-347v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}