ED42B110L - 110Amp Circuit Breaker

ED42B110L - 110Amp Circuit Breaker

Looking for a dependable circuit breaker to maintain and protect your existing electrical distribution system? The Siemens ED42B110L is a 110 Amp, 2-pole molded case circuit breaker designed to provide reliable overcurrent protection in commercial and industrial applications. Built as part of the trusted Siemens Sentron ED frame family, this breaker is an excellent form, fit, and functional replacement for compatible Siemens installations where maintaining original equipment compatibility is essential.

Equipped with a thermal magnetic trip unit, the ED42B110L responds to both sustained overloads and instantaneous short circuits to help protect electrical equipment and branch circuits.

Key Features and Benefits

• Siemens Sentron ED frame molded case circuit breaker
• 110 Amp continuous current rating
• 2-pole configuration for 480V AC electrical systems
• Thermal magnetic trip unit helps protect against overloads and short circuits
• 18kA interrupting capacity (18kAIC) at 480V AC
• Factory-equipped with line and load side lugs (TA1E6125)
• Accepts 3–3/0 AWG copper or 1–2/0 AWG aluminum conductors
• Designed for standard 40°C operating conditions
• Form, fit, and functional replacement for compatible Siemens ED-frame equipment
• Built to last for long-term use in commercial and industrial environments
  

Technical Specifications

• Catalog Number: ED42B110L
  
• Manufacturer: Siemens
  
• Product Type: Molded Case Circuit Breaker
  
• Series / Frame: ED Frame (Sentron)
  
• Trip Unit: Thermal Magnetic
  
• Amperage Rating: 110 Amps
  
• Voltage Rating: 480V AC
  
• Number of Poles: 2
  
• Interrupting Rating: 18kAIC at 480V AC
  
• Terminal Type: Line and Load Side Lugs (TA1E6125)
  
• Wire Range: 3–3/0 AWG Copper / 1–2/0 AWG Aluminum
  
• Reference Operating Temperature: 40°C
  
• Dimensions:
  • Width: 2.00 in.
  • Height: 6.35 in.
  • Depth: 3.92 in.
• Weight: 2.712 lb.
  
• Product Family: ED4 18kAIC, 480VAC
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Siemens ED42B110L is manufactured to meet UL 489 and IEC 60947-2 standards for molded case circuit breakers, helping ensure compliance with recognized electrical safety and performance requirements. The breaker is subject to WEEE (2012/19/EU) take-back obligations where applicable and includes REACH Article 33 material transparency information. For safe installation and dependable operation, it should be installed by qualified electrical personnel in accordance with the National Electrical Code (NEC) and all applicable local electrical codes.

Where It Works Best

• Compatible Siemens ED-frame panelboards and distribution equipment
• Commercial and industrial electrical distribution systems
• 480V AC branch circuit protection
• Manufacturing facilities, warehouses, and commercial buildings
• Maintenance and repair of existing electrical systems
• Form, fit, and functional replacement for compatible Siemens ED-frame circuit breakers
• Applications requiring a 110 Amp, 2-pole breaker with an 18kA interrupting capacity
• Installations requiring factory-installed line and load side lugs
• Projects where preserving original equipment compatibility is important