ED42B100 - 100Amp Circuit Breaker

ED42B100 - 100Amp Circuit Breaker

Need a circuit breaker you can rely on to keep your electrical system safe and running without interruption? The Siemens ED42B100 is a go-to solution for electricians, contractors, and facility managers who demand consistent performance in commercial and industrial environments. Built with Siemens’ trusted engineering, this 100 Amp, 2-pole molded case circuit breaker delivers dependable protection where it matters most.

As part of the respected Sentron ED frame lineup, the ED42B100 features a thermal magnetic trip unit that responds quickly to both overloads and short circuits—helping prevent damage and downtime. With a 480V AC rating and an 18kA interrupting capacity (18kAIC), it’s designed to handle real-world electrical demands with confidence.

Installation is straightforward thanks to its load lugs only (LN1E100) configuration, and it accommodates 10–1/0 AWG copper or aluminum conductors, giving you flexibility on the job.

Key Features and Benefits

• 100 Amp continuous rating for steady, dependable operation
• 2-pole configuration ideal for 480V AC applications
• Thermal magnetic trip unit protects against overloads and short circuits
• 18kA interrupting capacity (18kAIC) enhances system safety
• Equipped with load lugs only (LN1E100) for specific installation needs
• Supports 10–1/0 AWG copper or aluminum conductors
• Designed for standard 40°C operating environments
• Ideal replacement for compatible Siemens ED-frame breakers
• Built for long-term performance in demanding commercial and industrial settings
  

Technical Specifications

• Catalog Number: ED42B100
  
• Manufacturer: Siemens
  
• Product Type: Molded Case Circuit Breaker
  
• Series / Frame: ED Frame (Sentron)
  
• Trip Unit: Thermal Magnetic
  
• Amperage Rating: 100 Amps
  
• Voltage Rating: 480V AC
  
• Number of Poles: 2
  
• Interrupting Rating: 18kAIC at 480V AC
  
• Terminal Type: Load Lugs Only (LN1E100)
  
• Wire Range: 10–1/0 AWG Copper/Aluminum
  
• Reference Operating Temperature: 40°C
  
• Dimensions:
  • Width: 2.00 in.
  • Height: 6.35 in.
  • Depth: 3.92 in.
• Weight: 2.599 lb.
  
• Product Family: ED4 18kAIC, 480VAC
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Siemens ED42B100 meets key industry standards, including UL 489 and IEC 60947-2, so you can feel confident in its safety and performance. It is also RoHS compliant (since July 1, 2006) and supports REACH Article 33 requirements for material transparency. Where applicable, it falls under WEEE (2012/19/EU) guidelines for responsible disposal.

Where It Works Best

• Siemens ED-frame panelboards and compatible distribution systems
• Commercial and industrial electrical setups
• 480V AC branch circuit protection
• Manufacturing plants and industrial facilities
• Maintenance, repair, and system upgrades
• Replacement of existing Siemens ED-frame breakers
• Applications requiring a 100 Amp, 2-pole breaker with 18kAIC
• Installations designed for load lug-only connections
• Projects where maintaining original equipment compatibility is critical