{"product_id":"siemens-ed43b025l-25a-480v-3-pole-circuit-breaker","title":"Siemens ED43B025L - 25 A, 480 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet \u003cstrong\u003eSiemens ED43B025L\u003c\/strong\u003e — a compact 25 A, 480 V, 3-pole molded case circuit breaker designed to protect your branch circuits with precision. Built for reliable performance in panelboards and load centers, this unit balances robust protection with efficient panel-space usage, making it a smart choice for modern electrical distributions.\u003c\/p\u003e \u003ch2\u003eWhy choose ED43B025L\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes usable space in panelboards and load centers, enabling neater, more organized electrical distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable overload protection with fast magnetic response for short-circuit events, helping limit damage and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e ensures simultaneous disconnection of all three phases, improving safety and fault clearance in 480V three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to work with matching Siemens OEM load centers and panelboards, simplifying installation and coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across settings\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where 480V distribution is present.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specifications at a glance\u003c\/h2\u003e\n\u003ctable\u003e \u003cthead\u003e \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eED43B025L\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eThermal-magnetic molded case circuit breaker\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eAmperage Rating\u003c\/td\u003e\n\u003ctd\u003e25 A\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e480 V\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eNumber of Poles\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eBranch circuit overcurrent and short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eNew installations in 480V three-phase facilities—data centers, manufacturing floors, and large office complexes—where reliable protection is critical.\u003c\/li\u003e \u003cli\u003ePanelboard upgrades or replacements in Siemens-compatible systems to restore dependable branch circuit protection.\u003c\/li\u003e \u003cli\u003eRenovations and retrofits where space efficiency matters but protective performance cannot be compromised.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat problems this solves\u003c\/h2\u003e\n\u003cp\u003eThe ED43B025L pairs space-efficient design with a dual-mode protection approach. The thermal element guards against nuisance tripping due to gradual temperature rise, while the magnetic element responds rapidly to high fault currents. The result is predictable, repeatable protection that keeps wiring and equipment shielded from damage, reducing maintenance costs and downtime in busy electrical environments.\u003c\/p\u003e \u003ch2\u003eInstallation and compatibility tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify panelboard compatibility with Siemens ED43B025L and ensure alignment with matching OEM load centers for optimal trip coordination.\u003c\/li\u003e \u003cli\u003eConfirm your system is configured for 480V and that a 25 A protective rating matches the circuit’s load profile to balance safety and performance.\u003c\/li\u003e \u003cli\u003ePlan for three-phase protection continuity—the 3-pole design is intended to guarantee all phases trip together in fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349789593762,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed43b025l-25-a-480-v-3-pole-circuit-breaker-ampstate-916.webp?v=1788727602","url":"https:\/\/www.ampstate.com\/products\/siemens-ed43b025l-25a-480v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}