MP3100 - 100 Amp Circuit Breaker

MP3100 - 100 Amp Circuit Breaker

Whether you’re wiring a new home or upgrading an existing panel, the Siemens MP3100 delivers dependable circuit protection tailored for residential environments. Designed to safeguard 100 Amp, 3‑phase systems—especially WML meter stacks—it uses a compact thermal‑magnetic design to defend against both overloads and short circuits. Built to meet HACR standards, this breaker gives you high safety and long-lasting performance, making it a wise choice for homeowners and contractors alike.

Key Features and Benefits

• Space‑saving compact design: Its streamlined form makes installation easier in tight panel layouts and helps keep wiring clean and organized.
• Thermal‑magnetic protection: Provides fast reaction to shorts with magnetic trip action while also delivering reliable overload protection via thermal response — covering the full spectrum of potential circuit issues.
• HACR‑rated safety compliance: Manufactured to meet rigorous Heating, Air Conditioning, Refrigeration (HACR) standards so that you can install with confidence in compliance and quality.
• Dedicated for 100 Amp, 3‑phase WML meter stacks: Built with this application in mind — no workarounds needed.
• Durable build for long-term use: Materials and manufacturing meet industry expectations for regular residential electrical systems, giving you stability and peace of mind over years of operation.

Technical Specifications

• Type: MP‑T (Miniature Thermal‑Magnetic Circuit Breaker)
  
• Voltage Rating: 240 VAC
  
• Amperage Rating: 100 Amp
  
• Number of Poles: 3 (Three‑pole, 3‑phase)
  
• Interrupt Rating: 10 kA
  
• Operating Temperature: 40 °C
  
• Standard Compliance: HACR Rated
  

Material Compliance and Certifications

• HACR Standards: This circuit breaker fully complies with HACR (Heating, Air Conditioning, and Refrigeration) standards, ensuring it meets rigorous safety and performance benchmarks.
• Residential Compliance: It’s built from materials that satisfy residential electrical regulations, offering reliability under everyday conditions — so you don’t have to worry about subpar construction or early wear-out.

Where It Works Best

• The Siemens MP3100 is ideal for residential electrical systems requiring 100 Amp, 3‑phase protection — particularly WML meter stack installations. If you’re wiring a home, townhouse, duplex, or doing panel upgrades in similar settings, this breaker delivers dependable overload and short‑circuit protection with minimal fuss. Its compact size is a plus for cramped electrical closets, and its HACR compliance makes it a straightforward, code-friendly solution for contractors and homeowners alike.