{"product_id":"ul489","title":"P UL489 - 20A, 2-Pole, Miniature Circuit Breaker (MCB)","description":"\u003cdiv\u003e\n\u003cp\u003eProtective reliability meets compact design with the P UL489 20A, 2-Pole Miniature Circuit Breaker (MCB). Engineered for dependable overcurrent protection, this 2-pole device cleanly interrupts both conductors in a circuit, making it an essential component for safe, code-compliant power distribution in demanding environments.\u003c\/p\u003e \u003cp\u003eDesigned for flexible integration, this MCB is ideal for panelboards, switchboards, and control panels where space is at a premium but protection cannot be compromised. Whether you’re building a new distribution panel, upgrading an existing MCC, or stocking OEM equipment, this 20A, 2-Pole solution delivers reliable performance when it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Miniature Circuit Breaker (MCB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e UL 489-listed (P UL489) to meet standard overcurrent protection requirements\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, switchboards, control panels, motor control centers\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Industrial, commercial, and OEM installations needing reliable, fast-acting protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems does this MCB solve?\u003c\/h3\u003e\n\u003cp\u003eIn any distribution setup, overcurrent events threaten wiring insulation, motors, sensors, and control logic. This 20A, 2-Pole MCB provides immediate, coordinated interruption on fault conditions, safeguarding both conductors and connected equipment while helping you meet safety codes and installation standards.\u003c\/p\u003e \u003ch3\u003eUse cases that fit real-world needs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtection for lighting and receptacle circuits within commercial panelboards where space is limited\u003c\/li\u003e \u003cli\u003eInternal protection for motor control centers in manufacturing or assembly lines\u003c\/li\u003e \u003cli\u003eOEM equipment enclosures where compact protection is required without sacrificing reliability\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this 2-Pole MCB over alternatives?\u003c\/h3\u003e\n\u003cp\u003eTwo-pole protection ensures both live conductors are disconnected together, reducing shock risk and providing synchronized shut-off during faults. The compact, miniature form factor fits tight panel spaces and OEM assemblies, while UL 489 listing guarantees alignment with recognized safety standards. This combination delivers a robust, straightforward solution for essential circuit protection without unnecessary bulk.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panelboard compatibility and ensure the device’s current rating matches the circuit load to prevent nuisance trips\u003c\/li\u003e \u003cli\u003eFollow best practice for conductor sizing and tighten terminals to the manufacturer’s torque specification\u003c\/li\u003e \u003cli\u003eUse in circuits where both hot conductors require simultaneous disconnection for enhanced safety\u003c\/li\u003e \u003cli\u003eKeep spare units on hand for OEM models and service panels to minimize downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"P","offers":[{"title":"Default","offer_id":46390952525986,"sku":"UL489","price":170.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_7443b70f-ca09-4a06-83b9-59666d0dbe43.png?v=1765380976","url":"https:\/\/www.ampstate.com\/products\/ul489","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}