Industrial 140 40A 120 V Circuit Breaker

Industrial 140 40A 120 V Circuit Breaker is a rugged overcurrent protection device designed for robust power distribution. Part Number 140, this breaker delivers a precise 40 A current rating and a 120 V maximum voltage, making it ideal for safeguarding 120 V circuits in demanding industrial settings.

Key protections and benefits

• Overcurrent protection: automatically interrupts current when it exceeds 40 A to protect wiring and connected equipment.
• Fast, predictable response helps prevent overheating and electrical faults within industrial panels.
• Reliable performance in harsh environments thanks to industrial-grade construction designed for continuous operation in control panels and distribution boards.

Ideal applications

• Industrial power panels supplying motors, conveyors, pumps, or heavy machinery that run on 120 V.
• Branch circuits in manufacturing settings where consistent 40 A protection is required.
• Control circuits and automated systems that demand dependable, trip-ready protection.

Why choose this specific breaker

With Part Number 140 and a 40 A / 120 V rating, this circuit breaker offers a clear, verifiable specification that aligns with common industrial electrical codes and panel configurations. Its design emphasizes straightforward rating visibility, making it easier to select and replace in mission-critical panels without guessing compatibility.

Installation and safety tips

Install by a qualified electrician. Match conductor size and breaker rating to code requirements, verify panel compatibility, and ensure proper mounting and secure connections. After installation, test trip functionality using manufacturer-recommended procedures and keep a spare on hand for quick field maintenance.