{"product_id":"sa33c","title":"Fuji Electric SA33C - 20A, 690VAC \/ 250VDC, 3-Pole, Waterproof DC Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Fuji Electric \u003cstrong\u003eSA33C\u003c\/strong\u003e, a rugged 20 A waterproof DC circuit breaker designed to protect your DC circuits in demanding environments. With a voltage rating of \u003cstrong\u003eup to 690 VAC \/ 250 VDC\u003c\/strong\u003e and a \u003cstrong\u003e3-pole\u003c\/strong\u003e configuration, this device delivers reliable overcurrent protection across three phases while standing up to moisture and washdown conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e supports three-phase circuits with a single device, simplifying panel wiring and coordination across motors and drives.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile voltage compatibility\u003c\/strong\u003e handles both high AC and DC applications—up to \u003cstrong\u003e690 VAC\u003c\/strong\u003e and \u003cstrong\u003e250 VDC\u003c\/strong\u003e—to protect a wide range of equipment and control logic.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e20 A rating\u003c\/strong\u003e provides precise protection for motors, contactors, drives, and control circuits without unnecessary tripping during startup surges.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWaterproof construction\u003c\/strong\u003e built to withstand moisture exposure, making it well-suited for damp environments, outdoor installations, and washdown scenarios common in industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis SA33C is an ideal choice for \u003cstrong\u003eindustrial, commercial, and OEM\u003c\/strong\u003e applications where dependable protection and safe operation are non-negotiable. Use it in \u003cstrong\u003epanelboards\u003c\/strong\u003e, \u003cstrong\u003eswitchboards\u003c\/strong\u003e, and \u003cstrong\u003econtrol panels\u003c\/strong\u003e, including motor control centers, power distribution rooms, and equipment enclosures where reliable DC protection is required.\u003c\/p\u003e \u003ch2\u003eWhy the SA33C matters in real-world setups\u003c\/h2\u003e \u003cp\u003eOvercurrent events can quickly escalate into damaged wiring, scorched components, and unplanned downtime. The SA33C helps you \u003cstrong\u003elimit fault current to 20 A while interrupting power promptly\u003c\/strong\u003e, so downstream devices—like drives, sensors, and relays—are shielded from damage. The three-pole arrangement ensures all active phases disconnect together, enhancing safety and preventing hazardous partial energization in three-phase systems.\u003c\/p\u003e \u003cp\u003eIn environments where moisture or washdowns are part of normal operation, the \u003cstrong\u003ewaterproof\u003c\/strong\u003e capability of this breaker adds a crucial layer of reliability. It’s a practical choice for equipment that’s exposed to humidity, mist, or routine cleaning, reducing corrosion risk and preserving electrical integrity over time.\u003c\/p\u003e \u003ch2\u003ePractical guidance for selecting and deploying\u003c\/h2\u003e \u003cp\u003eChoose the Fuji Electric SA33C when you need a compact, reliable DC protection device that can be trusted in tough conditions. It’s especially well-suited for:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eControl panels and start-up circuits for three-phase motors and drives\u003c\/li\u003e \u003cli\u003eDistribution panels in manufacturing floors, packaging lines, and process controls\u003c\/li\u003e \u003cli\u003eOEM equipment that requires waterproof DC protection with straightforward three-pole protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor installation, align with standard panel-building practices and Fuji Electric guidance for mounting, terminal connections, and permissible dc\/ac switching. The SA33C’s specifications—\u003cstrong\u003e20 A\u003c\/strong\u003e, \u003cstrong\u003e690 VAC\u003c\/strong\u003e, \u003cstrong\u003e250 VDC\u003c\/strong\u003e, and \u003cstrong\u003e3-pole\u003c\/strong\u003e—make it a clear fit where robust, reliable overcurrent protection is essential and moisture is a consideration.\u003c\/p\u003e \u003cp\u003eCompare it to non-waterproof alternatives, and the SA33C stands out in environments demanding resilience against moisture and washdown exposure. It delivers predictable, dependable protection in a compact footprint, helping you simplify wiring, reduce downtime, and extend the life of your distribution panels and motor control centers.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fuji Electric","offers":[{"title":"Default","offer_id":46390918971554,"sku":"SA33C","price":272.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_248cd34a-59ab-4eed-9030-221e0a46cfe3.png?v=1765380766","url":"https:\/\/www.ampstate.com\/products\/sa33c","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}