The Siemens 3VA1132-6EF36-0DA0 is a 3-pole IEC frame 160 circuit breaker with breaking capacity class H, rated for 70 kA at 415 V AC. It carries a TM240 thermal-magnetic trip unit set at In=32 A, with adjustable overload protection Ir from 22 A to 32 A and short-circuit protection Ii adjustable from 5 to 10 times In. An integrated undervoltage release (UVR) rated 208-230 V AC 50/60 Hz is factory-fitted, so the breaker trips when control voltage drops — typical for emergency-stop or safety isolation circuits where loss of control power must open the main contacts.
What the ratings mean for fit
The 70 kA breaking capacity at 415 V (class H) means this breaker can safely interrupt fault currents up to that level without upstream cascading — critical for high-fault installations close to a transformer or in industrial switchboards where available short-circuit current exceeds 50 kA. The TM240 thermal-magnetic trip provides line protection for cable and busbar; the adjustable Ir (22-32 A) lets you dial in the exact load current without changing the breaker body. The Ii range of 5-10x In (160-320 A) covers motor-start inrush and selective coordination needs.
Panel integration
Clamp-type terminals accept copper conductors without lugging — strip, insert, torque. The 3VA1 frame mounts on a DIN rail or panel-mount via the rear adapter. The UVR coil draws its control voltage from a separate 208-230 V AC supply; verify the control transformer rating if sharing with other loads.