{"product_id":"siemens-ed42b025-25a-480v-2-pole-bolt-on-circuit-breaker","title":"Siemens ED42B025 - 25 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003eThe Siemens ED42B025 is a 25A, 480V, two-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to endure demanding installations, it combines robust hardware with precise protection to keep electrical systems safe and reliable. Secure, vibration-resistant installation\n- Bolt-on mounting provides a rigid bus connection, reducing loosening and movement in busy electrical environments. This means fewer service calls and steadier performance in commercial spaces, multi-metered panels, and industrial setups. Stable, responsive protection\n- Thermal-magnetic trip unit delivers repeatable protection by combining a thermal element for sustained overloads with an instantaneous magnetic trip for rapid response to short circuits. This dual-action protection helps prevent damage to wiring and connected equipment while minimizing nuisance trips. Designed for compatibility and versatility\n- Compatibility with matching OEM Siemens load centers and panelboards simplifies replacement and upgrades, ensuring seamless integration into existing Siemens installations.\n- Suitable for residential, commercial, and light industrial applications, making it a versatile choice for a range of panel configurations and electrical demands. What makes it stand out\n- Two-pole design ensures simultaneous disconnection of both hot lines, maintaining proper line-to-line protection for 480V circuits.\n- Molded case construction delivers durable insulation and reliable performance in environments subject to vibration, temperature swings, and routine maintenance.\n- The ED42B025 is a purpose-built solution from Siemens, engineered to work as part of a coherent protection strategy across Siemens panelboards and accessories. Use cases and practical scenarios\n- Upgrading an aging panel to provide reliable 25A protection for a dedicated 480V circuit in a light commercial setting.\n- Replacing a failed breaker in a Siemens load center or panelboard with a compatible bolt-on unit to restore circuit protection without compatibility concerns.\n- Expanding a panel’s capacity for new equipment in a workshop or small manufacturing space, while maintaining consistent protection characteristics. Technical specifications at a glance\n- Brand: Siemens\n- Part Number: ED42B025\n- Type: Thermal-magnetic molded case circuit breaker\n- Amperage Rating: 25A\n- Voltage Rating: 480V\n- Number of Poles: 2\n- Mounting Style: Bolt-on\n- Application: Branch circuit overcurrent and short-circuit protection This ED42B025 couples Siemens reliability with straightforward installation, giving you a solid, long-lasting solution for protecting critical circuits in panelboards and load centers.\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349788250274,"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_eafb744e-776c-4f0b-a048-9f142e5877cf.png?v=1764156766","url":"https:\/\/www.ampstate.com\/products\/siemens-ed42b025-25a-480v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}