Siemens 3VF3111-5DN71-0AB2 Motor Protection Circuit Breaker - 40-80A

The Siemens 3VF3111-5DN71-0AB2 is a 3-pole circuit breaker specifically designed for motor protection. It features an adjustable thermal release (Ir) from 40A to 80A, with a breaking capacity (Icu) of 35kA at 415V. The magnetic release (N-Rel.) is set at 15 times the nominal current. This fixed-mounted unit includes one auxiliary switch and a terminal block.

This circuit breaker is well-suited for protecting motors in industrial machinery, conveyor systems, pumps, and other applications where reliable motor starting and overload protection are essential. Its trip class and adjustable settings ensure appropriate response to motor fault conditions.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 3VF3111-5DN71-0AB2. We are dedicated to supplying quality industrial automation components to keep your operations running smoothly and efficiently.