{"product_id":"siemens-p1a42ml400cbst-400-amp-42-space-1ph-120-240v-p1-panelboard-w-main-lug-copy","title":"Siemens P1A42MC400AT 400 Amp 42 Space Single Phase 120\/240 VAC P1 MBO Panelboard","description":"\u003cp\u003eThe Siemens P1A42MC400AT is a robust 400 amp panelboard designed for single-phase 120\/240 VAC applications. Featuring 42 spaces, this P1 MBO (Main Breaker Operated) unit provides reliable power distribution for residential and light commercial installations. Built to Siemens standards, it delivers dependable circuit protection and load management. Ideal for upgrading or expanding electrical systems where higher amperage capacity is required. UL-listed and code-compliant for safe, efficient operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Siemens\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eModel #: P1A42MC400AT\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eAmps: 400 Amp\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eSpace: 42 Space \/ 1 Phase \/ 3 Wire\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eVolts: 120\/240 Volts\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003ePanelboard Enclosure Measurements: 60\" X 13.5\" X 5\" \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eCondition: Used\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003eType: P1 Panelboard Main Breaker Option\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e**  Color and Condition may vary. For any questions regarding condition, please feel free to contact our sales team: (941) 981-3923.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Used","offer_id":47405478871298,"sku":"02252601J","price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0142\/4909\/9322\/files\/PhotoFeb252026_90027AM.jpg?v=1772028266","url":"https:\/\/www.sselectricalsupply.com\/products\/siemens-p1a42ml400cbst-400-amp-42-space-1ph-120-240v-p1-panelboard-w-main-lug-copy","provider":"S\u0026S Electrical Supply","version":"1.0","type":"link"}