{"product_id":"siemens-5sx2104-7-4a-1p-400v-circuit-breaker","title":"Siemens 5SX2104-7 Circuit Breaker, 4A, 1-Pole, 400V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens 5SX2104-7\u003c\/strong\u003e circuit breaker is built for rugged industrial electrical service, maintenance, and replacement projects. This 4 A, 1-pole device protects a single hot conductor in 400 V systems, delivering dependable overcurrent protection for critical equipment and control circuits.\u003c\/p\u003e \u003cp\u003eKey benefits and uses:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise single-pole protection for 400V industrial panels:\u003c\/strong\u003e keeps wiring and equipment safe in environments where a dedicated 1-pole breaker is required for single-phase feeders or control circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 amp rating, ready for light-to-moderate loads:\u003c\/strong\u003e a precise current threshold that minimizes nuisance trips while safeguarding circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number 5SX2104-7 ensures compatibility:\u003c\/strong\u003e use the exact Siemens part number to confirm fit for your application—critical for compliant panel upgrades or replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-grade reliability:\u003c\/strong\u003e designed to meet the demands of service crews and maintenance schedules in manufacturing and facilities environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple, fast replacement:\u003c\/strong\u003e standard form and footprint help you swap in seconds during downtime events.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eReplacing a worn or failed breaker in Siemens panels within 400V electrical distributions.\u003c\/li\u003e\n\u003cli\u003eStocking a ready-to-go spare for maintenance shifts to minimize downtime.\u003c\/li\u003e\n\u003cli\u003eUpgrading older installations to a current Siemens part to maintain system safety and compliance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility notes: Verify fit by part number and application requirements. If you need help matching a part number or confirming compatibility, message us and we'll help.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415881240738,"sku":"5SX2104-7","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/siemens-5sx2104-7-4a-1p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}