SIEMENS HED42B040LSN Molded Case Circuit Breaker 40A 480V

The Siemens HED42B040LSN is a 2-pole molded case circuit breaker designed for reliable electrical protection in industrial and commercial applications. It is suitable for use by electrical distributors and switchgear suppliers requiring robust lighting solutions and wire and cable protection at 480 volts. The breaker features a thermal-magnetic trip unit, providing dependable interruption of electrical faults up to its rated capacity. This device is engineered to operate safely at an ambient temperature of 40°C and is compliant with UL 489 and CSA C22.2 No. 5 standards.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: HED42B040LSN
• Frame: ED
• Number of Poles: 2
• Interrupt Rating: 42KAIC
• Continuous Current Rating: 40A
• Voltage Rating: 480V AC
• Operating Temperature: 40°C
• Dimensions (W x H x L): 7.00 in x 6 in x 3 in
• Product Weight: 4.0 lbs
• Actuator: S01ED60 Accessory
• Enclosure: Varying
• UPC: 040892868364

Features

• Thermal-magnetic trip unit for reliable fault interruption
• Non-interchangeable trip unit design for safety and compliance
• Suitable for use in 480V AC electrical distribution systems
• Compact ED frame size for space-efficient installations
• Compatible with copper and aluminum wire connectors per UL486A/B standards
• Meets CSA C22.2 No. 5 and UL 489 safety standards

Downloads & Links

• Spec Sheet