{"product_id":"square-d-ejb34030-three-phase-circuit-breaker","title":"Square D EJB34030 Three-Phase Circuit Breaker","description":"\u003cdiv\u003e\u003cp\u003eSquare D EJB34030 is a three‑pole, bolt‑on molded‑case circuit breaker in the E‑Frame family designed for 480Y\/277 VAC systems and a 30 A rating. It occupies three spaces in Square D NF panelboards and similar enclosures, offering secure bolt‑on mounting for reliable three‑phase protection. The device provides thermal‑magnetic overcurrent protection with an interrupt rating of 65 kAIC at 480 V (some literature also lists a 100 kAIC rating for certain configurations). This makes it suitable for protecting three‑phase loads up to 30 A, including motors and other commercial\/industrial equipment in panelboard installations.\u003c\/p\u003e\u003c\/div\u003e","brand":"Square","offers":[{"title":"New","offer_id":46259005751530,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-012.png?v=1788727428","url":"https:\/\/gtghardware.com\/products\/square-d-ejb34030-three-phase-circuit-breaker","provider":"GTG Hardware","version":"1.0","type":"link"}