{"product_id":"general-electric-tr21540-circuit-breaker","title":"General Electric | TR21540 | Circuit Breaker | 4-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric TR21540 4-Pole 240V Circuit Breaker—built for dependable overload protection in demanding electrical systems. Designed for maintenance, retrofit, and replacement in GE panels, this unit delivers precise fit and trusted performance when you need to protect 3-phase equipment and complex electrical loads.\u003c\/p\u003e \u003ch3\u003eWhy the TR21540 stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned as a true 4-pole solution, this GE circuit breaker provides simultaneous disconnection across all poles, a critical safety feature for 3-phase, 4-wire systems. The 240V rating ensures reliable protection for high-demand circuits such as motors, compressors, and controlled equipment, helping to prevent damage from overcurrent events. By choosing a part-numbered unit—TR21540—you align with GE’s proven engineering standards, reducing uncertainty during replacement or retrofit projects.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e TR21540\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Suitable for maintenance, retrofit, and replacement in compatible GE panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering; the TR21540 part number is the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003ePerfect for commercial or industrial environments where 3-phase equipment requires reliable, simultaneous pole disconnection. Common scenarios include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMotor control circuits and three-phase drives in manufacturing or processing facilities\u003c\/li\u003e \u003cli\u003eHVAC systems and large compressors that run on 240V multi-pole configurations\u003c\/li\u003e \u003cli\u003ePanel retrofits or replacements where exact GE specification needs to be maintained\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it solves real problems\u003c\/h3\u003e\n\u003cp\u003eUncertain compatibility and mismatched replacements can lead to improper protection and nuisance trips. The TR21540 is a purpose-built, GE-branded solution that minimizes mismatch risk, ensuring your protection scheme remains intact after a service event. Its four-pole design reduces the number of components you need to manage and simplifies maintenance workflows in panels designed for 4-wire, 240V systems.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore purchasing, verify panel compatibility by referring to the panel’s labeling and the TR21540 part number as the reference point for fit.\u003c\/li\u003e \u003cli\u003eKeep a spare TR21540 on hand for proactive maintenance in facilities with high uptime requirements.\u003c\/li\u003e \u003cli\u003eUse the 240V rating as a guide for the expected load characteristics—match to the equipment’s operating voltage to ensure proper protection level and trip characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46427185938594,"sku":"TR21540","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/general-electric-tr21540-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}