{"product_id":"siemens-ndk3b150l-circuit-breaker","title":"Siemens | NDK3B150L | Circuit Breaker | 150A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens NDK3B150L Circuit Breaker delivers dependable, exact-fit protection for three‑phase electrical systems up to 600V. With a 150A rating and a 3‑pole design, this device is built to guard essential motors, feeders, and panel circuits from overloads and short circuits, while enabling quick, reliable maintenance and upgrades in demanding environments.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e NDK3B150L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement in Siemens-compatible panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility.\u003c\/p\u003e \u003ch3\u003eWhy this NDK3B150L stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-fit replacement\u003c\/strong\u003e for Siemens panels requiring the NDK3B150L, reducing guesswork and installation risk.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection\u003c\/strong\u003e with a 3‑pole configuration ensures synchronized interruption across all phases, preserving system integrity for motors and loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e at 150A handling mid-size to large loads with reliable performance under fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable design for field use\u003c\/strong\u003e engineered to withstand the demands of maintenance and retrofit work in industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed breaker in existing Siemens panels that require an NDK3B150L setup.\u003c\/li\u003e \u003cli\u003eRetrofits where upgrading to a 150A, 3‑pole protection is needed for improved safety and performance of 3‑phase equipment.\u003c\/li\u003e \u003cli\u003eMaintenance stock for service teams to minimize downtime during routine electrical panel servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and care tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore purchasing, verify that your panel labeling matches a 3‑pole, 600V, 150A protection device and that the NDK3B150L is the correct part number for your equipment.\u003c\/li\u003e \u003cli\u003eEnsure the electrical system is de-energized and that a qualified electrician handles the replacement to maintain safety and code compliance.\u003c\/li\u003e \u003cli\u003eStore spares in a clean, dry location and note the part number so replacements can be performed quickly when needed.\u003c\/li\u003e \u003cli\u003eDuring installation, follow the panel manufacturer’s torque specifications and mounting guidelines to ensure reliable trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Siemens NDK3B150L circuit breaker is a purpose-built, reliable solution for maintaining, upgrading, or replacing three-phase 600V protection in compatible panels. By choosing the exact part number, you align with the manufacturer's specifications for performance, safety, and longevity—protecting both your equipment and your uptime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426841907362,"sku":"NDK3B150L","price":16734.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_63e470e9-d360-4ffe-a511-3550084c618c.png?v=1766907689","url":"https:\/\/www.ampstate.com\/products\/siemens-ndk3b150l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}