{"product_id":"m9f42120","title":"Schneider Electric M9F42120 - 20A, 1-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Schneider Electric M9F42120 is a dependable 20A, 1-Pole circuit breaker designed to deliver precise overcurrent protection in demanding electrical environments. Built for flexible integration, its 1-Pole configuration makes it an adaptable choice for a variety of panel installations while maintaining compact, reliable performance.\u003c\/p\u003e \u003ch3\u003eCore specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this 1-Pole breaker uniquely valuable\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFlexible use in \u003cstrong\u003epanelboards, switchboards\u003c\/strong\u003e, and \u003cstrong\u003econtrol panels\u003c\/strong\u003e, enabling streamlined protection across different electrical architectures.\u003c\/li\u003e \u003cli\u003eDesigned for \u003cstrong\u003eindustrial, commercial, and OEM\u003c\/strong\u003e applications where dependable overcurrent protection is critical for safe operation in distribution panels and motor control centers.\u003c\/li\u003e \u003cli\u003eTrusted Schneider Electric engineering ensures consistent trip characteristics and reliable performance in demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDistributing power safely in \u003cstrong\u003edistribution panels\u003c\/strong\u003e and \u003cstrong\u003emotor control centers\u003c\/strong\u003e (MCCs) where single-pole protection suits the circuit topology.\u003c\/li\u003e \u003cli\u003eUpgrading or replacing aging protection devices in \u003cstrong\u003epanelboards\u003c\/strong\u003e within manufacturing floors, facilities, and commercial spaces.\u003c\/li\u003e \u003cli\u003eOEM equipment enclosures that require compact, straightforward overcurrent protection without sacrificing safety or reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy it matters for your operation\u003c\/h3\u003e\n\u003cp\u003eWith the M9F42120, you deploy targeted protection that responds quickly to overloads and short circuits, helping to prevent wiring damage, equipment failures, and unexpected downtime. The 1-Pole format reduces footprint in tight spaces while maintaining robust protection for single-phase circuits common in control and auxiliary systems. This translates into safer operation, easier maintenance, and smoother continuity for critical processes.\u003c\/p\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure compatibility with your panelboard or switchboard’s mounting and busbar configuration when selecting a single-pole device.\u003c\/li\u003e \u003cli\u003ePair with matching Schneider Electric protective devices to maintain a coherent, compliant protection scheme across the distribution system.\u003c\/li\u003e \u003cli\u003eIdeal for retrofits and OEM builds where space and reliability are both at a premium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Schneider Electric","offers":[{"title":"Default","offer_id":46390524510370,"sku":"M9F42120","price":74.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_4b3a593f-111a-4018-b663-a49f8724bd75.png?v=1765376651","url":"https:\/\/www.ampstate.com\/products\/m9f42120","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}