{"product_id":"terasaki-electric-to-100ba-circuit-breaker-75a-500v-18ka-3-poles","title":"Terasaki Electric TO-100BA Circuit Breaker 75A 500V 18KA 3-Poles","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eTerasaki Electric TO-100BA Circuit Breaker\u003c\/strong\u003e delivers reliable, three‑phase protection for demanding electrical systems. With a 75A current rating, a 500V maximum voltage, and an impressive 18kA interrupting capacity, this 3‑pole breaker is built to withstand high fault currents while providing precise, dependable protection for your distribution panels.\u003c\/p\u003e \u003cp\u003eDesigned for professional installation across industrial, commercial, and challenging residential applications, the TO-100BA excels in panel upgrades, retrofit projects, and maintenance replacement work. It’s a trusted component for electricians, panel builders, and MRO teams who need equipment that won’t compromise system safety or uptime.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 75A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 500V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting capacity:\u003c\/strong\u003e 18kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\/configuration:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries\/model:\u003c\/strong\u003e TO‑100BA\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThree‑pole protection means synchronized disconnection across all phases, reducing the risk of unbalanced faults and equipment damage in three‑phase motors and feeders. The 18kA interrupting capacity provides robust protection in installations with higher fault currents, helping to safeguard conductors, switchgear, and downstream equipment during a short circuit. Built by Terasaki Electric, this unit embodies a heritage of trusted performance and is designed to integrate smoothly into established panels and distribution schemes.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanel upgrades where you need reliable, three‑phase protection that matches existing system voltage and fault characteristics\u003c\/li\u003e \u003cli\u003eRetrofit projects replacing aging breakers with a modern, trusted 3‑pole unit\u003c\/li\u003e \u003cli\u003eMaintenance replacements in service fleets and job sites that require durable, readily available spare parts\u003c\/li\u003e \u003cli\u003eCommercial and light industrial applications with motor loads and three‑phase distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cp\u003eWhen selecting the TO‑100BA, ensure the system voltage and protection level align with your distribution panel and wiring configuration. This breaker is intended for use in systems up to 500V and for three‑phase circuits, delivering coordinated protection across all phases. For service teams and contractors, having the TO‑100BA on hand as a spare can shorten downtime during maintenance outages and simplify stocking strategies for recurring panel work.\u003c\/p\u003e \u003cp\u003eIn short, the Terasaki TO‑100BA 3‑pole breaker combines a proven protection platform with a clear specification set that suits mid‑range industrial, commercial, and demanding residential environments. Its blend of 75A capacity, 500V rating, and 18kA interrupting capacity offers a solid, future‑proof option for reliable electrical distribution and quick, confident replacements when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Terasaki Electric","offers":[{"title":"Default Title","offer_id":46395815723170,"sku":null,"price":924.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/panelboard_generic.png?v=1762425115","url":"https:\/\/www.ampstate.com\/products\/terasaki-electric-to-100ba-circuit-breaker-75a-500v-18ka-3-poles","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}