The Siemens 3VA1180-6ED32-0AA0-ZD00 is a 3-pole IEC frame 160 molded case circuit breaker in the 3VA1 series, rated for line protection with a TM210 thermal-magnetic trip unit.
Fixed overload protection at Ir=80A (non-adjustable) and fixed short-circuit protection at Ii=10 x In (800 A magnetic pickup). The TM210 curve is a standard thermal-magnetic characteristic — thermal element handles overloads on a time-inverse curve, magnetic element clears hard shorts instantaneously at the Ii threshold. For a panel builder or MRO planner, the fixed Ir means this breaker is sized specifically for an 80 A continuous load; there is no adjustment band to dial down for a lighter feeder. The FTFM designation indicates the breaker includes internal accessories for remote signaling (fault, tripped, and main contact status) — useful for a PLC-based monitoring scheme without adding external aux contacts.
Deployment context
This variant includes a nut keeper kit and is specified for DC Power OEM applications in China — the nut keeper kit retains the mounting hardware during panel vibration or transport, a detail that saves field re-torque on a production line.