{"product_id":"siemens-b270hh-70a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens B270HH - 70 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens B270HH 70A, 240V, 2-pole bolt-on molded case circuit breaker is purpose-built to protect branch circuits with precision in panelboards and load centers. Designed for dependable overcurrent and short-circuit protection, this unit keeps electrical systems safer and more reliable, whether you’re wiring a home, a small business, or light industrial spaces.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection, reducing looseness and ensuring consistent electrical contact even in environments with equipment movement or tougher operating conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by sensing both overloads (thermal) and short circuits (magnetic), helping prevent damage to downstream conductors and loads while minimizing nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e70 A at 240 V, 2-pole\u003c\/strong\u003e design ensures simultaneous disconnection of both conductors, enhancing safety for feeders and multi-wire branch circuits in residential and commercial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case, bolt-on style\u003c\/strong\u003e is built for compatibility with matching OEM Siemens panelboards and load centers, making replacements and upgrades straightforward without custom fabrication.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suited for residential, commercial, and light industrial settings—perfect for main feeders, subpanel protection, or upgrading aging protection in existing installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the Siemens B270HH?\u003c\/strong\u003e It’s not just a breaker—it’s a protective solution that prioritizes reliable performance under real-world conditions. The bolt-on mounting method creates a robust electrical connection, which matters when panels endure vibration, temperature fluctuations, or frequent cycling. The integrated thermal-magnetic protection provides fast, coordinated tripping to isolate faults quickly, helping to safeguard wiring, devices, and overall system integrity.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e (reference for planning and compatibility):\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: B270HH\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 70 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\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 \u003cp\u003e\u003cstrong\u003eIdeal for a range of installers and settings\u003c\/strong\u003e: electricians upgrading residential panels, facility managers refreshing commercial load centers, or engineers sourcing reliable protection for light industrial feeders. The B270HH is engineered to pair with Siemens’ own lineup of panelboards and load centers, reducing compatibility concerns and simplifying service decisions when you’re updating or expanding electrical protection.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for use\u003c\/strong\u003e:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEnsure the replacement is used in a compatible Siemens panelboard or load center that accepts bolt-on molded case breakers of this size and type.\u003c\/li\u003e \u003cli\u003eConsult the panel’s labeling and torque specifications when mounting to guarantee a secure, code-compliant installation.\u003c\/li\u003e \u003cli\u003eConsider coordination with nearby protective devices to optimize selective tripping and minimize disruptions in fault scenarios.\u003c\/li\u003e \u003cli\u003eKeep spare B270HH breakers on hand for timely service and to maintain consistent protection across multiple circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349752008866,"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_fb6e5884-4139-4786-abcd-7afc2182dc4f.png?v=1764155894","url":"https:\/\/www.ampstate.com\/products\/siemens-b270hh-70a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}