MPP2175KH - 175 Amp Circuit Breaker

MPP2175KH - 175 Amp Circuit Breaker

When you're wiring a home or updating an electrical panel, you want a main breaker that delivers reliable protection and smooth, trouble‑free performance. The Siemens MPP2175KH is a 175-amp, 120/240-V main circuit breaker engineered to provide dependable service for residential load centers, feeders, and branch circuits. Built by a trusted name in electrical components, this breaker offers peace of mind through precise interruption, straightforward installation, and long-term reliability.

Key Features and Benefits

• Thermal–magnetic trip mechanism: Combines both thermal and magnetic response to safeguard your home against overloads and short circuits — ensuring fast, accurate protection under varied electrical conditions.
• High interrupt capacity: With a 22 kA interrupt rating (22 AIC), this breaker can safely interrupt high fault currents, giving extra safety and extending the lifetime of your electrical system.
• Plug-in design: Makes installation and servicing quicker and cleaner. Ideal for electricians and qualified DIYers who appreciate a straightforward setup without complicated wiring configurations.
• Versatile 4-pole configuration: Supports multi-wire branch circuits or 3-phase systems — a flexible solution that works for a wide variety of residential distributions.
• Consistent, long-term performance: Designed to perform dependably over its service life, offering homeowners and professionals alike the confidence that comes with consistent, solid operation.

Technical Specifications

• Type: MPP‑HT Main Circuit Breaker
• Voltage Rating: 120/240 V AC
• Amperage Rating: 175 Amp
• Trip Mechanism: Thermal–magnetic
• Interrupt Rating: 22 AIC (kA)
• Poles: 4‑Pole
• Connection Style: Plug-in
• Typical Dimensions: Approx. 6″ L × 4″ W × 3″ H

Material Compliance and Certifications

• UL 489 Listed — meets strict safety and performance standards for circuit breakers used in residential installations.
• RoHS Compliant — manufactured without hazardous substances, contributing to safer installation environments and greener disposal practices.

Where It Works Best

• For new home construction where a main breaker is required to feed a load center or panel board.
• In panel upgrades or remodels, when upgrading from a lower-capacity main breaker to handle increased electrical load.
• As a replacement breaker when updating older electrical systems to meet current code requirements.
• In homes or light commercial buildings needing a reliable, code‑compliant main breaker for feeders or sub‑panels — particularly in multi‑wire branch circuits or setups requiring a 4-pole main.