{"product_id":"st11245pg-20a-1p-120v-circuit-breaker","title":"ST11245PG 20A 1P 120V Circuit Breaker, Shunt Trip, NEMA 3R, Fusible | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the ST11245PG—a 20 A, 1-pole, 120 V circuit breaker engineered for dependable protection in panelboards, load centers, and electrical distribution systems. With a built-in shunt trip and a NEMA 3R enclosure, this unit is designed to withstand outdoor conditions while delivering precise, remote safety control when you need it most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this design matters in real-world setups\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eShunt Trip\u003c\/strong\u003e: Enables remote tripping for emergency shutdowns or integrated safety sequences, giving you rapid, hands-off control when immediate power-down is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNEMA 3R enclosure\u003c\/strong\u003e: Weather-resistant, dust-tolerant protection ideal for outdoor panels, service entrances, and other exposed installations where reliability is critical.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e20 A, 1-Pole, 120 V\u003c\/strong\u003e: A compact, straightforward protection profile that suits branch circuits and feeders in residential and commercial distributions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible\u003c\/strong\u003e configuration: Designed to align with protection schemes that integrate fuse-type coordination within the same equipment family, offering flexible integration in complex electrical setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match\u003c\/strong\u003e: Simplifies procurement for maintenance teams and panel builders by ensuring compatibility with existing inventories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams maintaining spare inventories to minimize downtime during protective-device replacements\u003c\/li\u003e \u003cli\u003ePanel builders who require a precise, direct part-number fit to streamline projects\u003c\/li\u003e \u003cli\u003eElectrical distributors serving outdoor installations that demand reliable, weather-rated protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat makes the ST11245PG stand out\u003c\/strong\u003e: It combines remote safety control with rugged outdoor readiness in a compact 1P 20A package. The shunt-trip capability integrates seamlessly with control systems for safety interlocks, while the NEMA 3R rating ensures dependable operation in exposed environments. This isn’t a generic breaker—it’s a purpose-built solution for critical protection in outdoor panels and distributed electrical systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical usage tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify that your control system supports shunt-trip operation and that wiring specifications meet the coil requirements for reliable remote signaling.\u003c\/li\u003e \u003cli\u003eInstall in a compliant outdoor-rated enclosure and follow standard wiring practices for single-pole 120 V protection.\u003c\/li\u003e \u003cli\u003eMaintain an on-hand spare ST11245PG to accelerate field replacements and reduce downtime on critical circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help confirming fit for your panel or distribution setup? AmpState can assist in validating compatibility against your part numbers and application requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413147275426,"sku":"ST11245PG","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/st11245pg-20a-1p-120v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}