Siemens MP370 – 70A 3 Pole Miniature Circuit Breaker Same Day Shipping

Built to secure commercial and industrial electrical systems, the MP370 provides consistent thermal-magnetic trip performance. This 70-amp, three-pole device ensures safe operation for higher-draw equipment. The plug-on configuration mounts effortlessly into standard Murray or Siemens panelboards. For maintenance and upgrades, it is officially substituted by the Siemens Q370, offering a clear upgrade path. With a standard 10kAIC rating at 240VAC, it effectively clears fault currents.