SIEMENS ED42M040 BRKR ED4 2P 480V 40A 50C Molded Case Circuit Breaker

The SIEMENS ED42M040 is a 2-pole molded case circuit breaker designed for use in electrical distribution systems requiring reliable overcurrent protection. Calibrated for 50°C application, it operates at 480V with a 40A continuous current rating and is suitable for industrial and commercial electrical installations. This breaker is engineered to meet the needs of electrical distributors, lighting solutions providers, wire and cable installers, and switchgear suppliers requiring durable and precise circuit protection devices.

Specifications

• Manufacturer: Siemens
• Frame: ED
• Number of Poles: 2
• Voltage Rating: 480V
• Current Rating: 40A
• Interrupt Rating: 18 KAIC
• Frequency Rating: 400 Hz
• Operating Temperature: 50¬∞C
• Application: Calibrated for 50¬∞C Application
• Dimensions (HxWxL): 6 in x 7 in x 3 in
• Product Weight: 2.5 lbs
• Actuator Type: Varying
• Enclosure Type: Varying
• UPC: 783643003361

Features

• Non-interchangeable trip unit integrated within ED frame for enhanced safety and compliance with UL 489 and CSA C22.2 No. 5 standards
• Thermal-magnetic trip mechanism providing reliable protection against overloads and short circuits
• Designed for installation in individual enclosures, panelboards, switchboards, or other approved equipment
• Compatible with 60 or 75¬∞C wire as per National Electric Code requirements
• Manual operation with handle positions for ON, OFF, and TRIPPED status, including a PUSH-TO-TRIP button for testing
• Mounting hardware and wire connectors available separately to facilitate installation and maintenance
• Suitable for use in 400 Hz applications, supporting specialized electrical distribution systems

Downloads & Links

• Spec Sheet
• Spec Sheet