MP2100 Circuit Breaker – Siemens Electrical Protection The Siemens MP2100 is a 2-pole, 100-ampere circuit breaker designed for residential low voltage applications. It is suitable for use in 125 AMP and 225 AMP single-phase output meter stacks such as WMM, WML, and WMT. This plug-in type breaker provides reliable circuit protection for load center mains, feeders, and miniature circuit breakers, making it a key component for electrical distributors and switchgear suppliers involved in lighting solutions and wire and cable installations. Specifications Manufacturer: Siemens Manufacturer Part #: MP2100 Current Rating: 100 amperes Number of Poles: 2 Mounting Type: Plug-In Voltage Rating: 120/240 VAC Interrupt Rating: 10 kA Operating Temperature Maximum: 40 °C Standard: HACR Rated Supply Voltage Frequency: 50/60 Hz Weight: 0.6170 lbs Features Miniature thermal magnetic circuit breaker design for reliable overload and short circuit protection Compatible with 125 AMP and 225 AMP single-phase output meter stacks Plug-in mounting for easy installation and replacement HACR rated for use with heating, air conditioning, and refrigeration equipment Downloads & Links Data Sheet