{"product_id":"industrial-dnpl154015","title":"Industrial DNPL154015 40A 4-Pole 240 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eThe Industrial DNPL154015 40A 4-Pole 240 V Circuit Breaker is engineered for demanding electrical environments where reliable protection and precise control matter. Built to endure industrial use, this unit acts as a robust gatekeeper for your power circuits, ensuring quick, predictable interruptions when faults occur and safe, complete disconnection across all conductors in a three-phase setup.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 40 A — provides solid overcurrent protection tailored to moderate-load industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4 — designed for full isolation of all lines, including neutral in suitable configurations, to minimize arc risk during maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V — suitable for standard industrial control circuits and equipment operating at common low-to-mid voltage levels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e DNPL154015 — a traceable, authentic component that simplifies replacement, procurement, and compatibility checks in your panel or switchgear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade durability:\u003c\/strong\u003e built to withstand challenging environments, offering dependable performance in panels, control centers, and MCCs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePotential transformer compatibility:\u003c\/strong\u003e compatible with protection and metering schemes that utilize potential transformers, helping you integrate protective relays and measurement systems seamlessly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003eBest suited for industrial switchgear, control panels, and motor protection schemes where a four-pole arrangement ensures comprehensive isolation. It’s a practical choice for facilities that rely on precise protection coordination and clear disconnection paths in three-phase systems with neutral presence.\u003c\/p\u003e \u003ch3\u003eWhat makes this DNPL154015 unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong clear traceability:\u003e the DNPL154015 model number makes sourcing spare parts and matching replacements straightforward, reducing downtime and installation guesswork.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eComplete pole isolation:\u003c\/strong\u003e a true four-pole design that minimizes backfeed risk and enhances safety during maintenance or fault clearing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMeasurement-friendly integration:\u003c\/strong\u003e designed with compatibility in mind for protection schemes that incorporate potential transformers, supporting accurate metering and relay coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInstall in accordance with local electrical codes and manufacturer guidance. Ensure the breaker is correctly rated for the circuit's current and voltage; a mismatch can affect protection performance.\u003c\/li\u003e \u003cli\u003eDuring routine maintenance, inspect for signs of wear, overheating, or corrosion on terminals and mounting points. Promptly address any issues to maintain reliable tripping performance.\u003c\/li\u003e \u003cli\u003eWhen replacing an old unit, verify the DNPL154015’s compatibility with your panel or switchgear’s busbar arrangement and any required mounting accessories.\u003c\/li\u003e \u003cli\u003eDocument the replacement with the part number to support future service timelines and warranty coverage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor industrial protection that you can depend on, the DNPL154015 40A 4-Pole 240 V Circuit Breaker delivers precise protection, straightforward replacement, and thoughtful compatibility with measurement-driven protection schemes. It’s the reliable choice for engineers and technicians who prioritize safety, clarity, and long-term system stability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Industrial","offers":[{"title":"Default Title","offer_id":46423647060130,"sku":"DNPL154015","price":211.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/industrial-dnpl154015","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}