Siemens ED42B045 Molded Case Circuit Breaker – Sentron Series – ED Frame – 45A – 2 Pole – 480V – Bolt-On – 18kAIC

The Siemens ED42B045 is a Sentron Series molded case circuit breaker designed to provide dependable overcurrent protection for commercial and industrial electrical distribution systems. This 45A, two-pole breaker operates at 480V and features a bolt-on mounting design for secure installation in compatible Siemens panelboards and switchboards.

Equipped with a thermal-magnetic trip unit, the ED42B045 delivers reliable Long-Time and Instantaneous (LI) protection against overloads and short-circuit conditions. The breaker offers a standard interrupting capacity of 18kAIC at 480V and is built to meet UL 489 and IEC 60947-2 standards, ensuring dependable performance in demanding electrical applications.

Specifications

• Brand: Siemens / ITE
• Manufacturer: Siemens
• Part Number: ED42B045
• Series: Sentron Series
• Type: ED Frame
• Category: Molded Case Circuit Breaker
• Connection Type: Bolt-On

Electrical Ratings

• Current Rating: 45A
• Number of Poles: 2 Pole
• Voltage Rating: 480V AC
• Phase: 1 Phase
• Interrupting Capacity: 18kAIC @ 480V
• Protection Type: Thermal Magnetic
• Trip Functions: Long-Time, Instantaneous (LI)

Technical Features

• Thermal-magnetic trip unit
• Bolt-on mounting for secure installation
• Standard breaking capacity ED frame design
• Long-Time and Instantaneous trip protection
• Load-side lug terminals included
• Suitable for commercial and industrial distribution systems

Environmental & Mechanical

• Ambient Temperature Rating: 40°C
• Dimensions (H × W × D): 6.35" × 2" × 3.92"
• Weight: 2.55 lbs

Standards and Approvals

• UL 489 Listed
• IEC 60947-2 Compliant
• CSA Approved
• Siemens Authentic Product

Applications

• Commercial electrical distribution systems
• Industrial power distribution panels
• Motor and equipment protection
• Branch and feeder circuit protection
• Manufacturing facilities
• 480V power distribution applications

Returns are easy

You may return items within 30 days of delivery for a refund.

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