Siemens 3VA1 IEC frame 250 circuit breaker, breaking capacity class S, Icu=36kA @ 415V, 3-pole, line protection TM220, ATFM, In=250A, overload protection Ir=175A...250A, short-circuit protection Ii=10 x In, nut keeper kit for DC Power OEM in China.
The TM220 trip provides adjustable overload protection (Ir) from 175 A to 250 A, with a fixed short-circuit pickup (Ii) at 10 × In (2,500 A). This setup suits feeder or large motor branch circuits where the load current is known and coordination with downstream devices is needed.
It is a 3-pole IEC frame 250 breaker with breaking capacity class S, Icu=36 kA @ 415 V, rated current In=250 A, overload protection adjustable Ir=175 A…250 A, and short-circuit pickup Ii=10 × In.
This part is sourced through independent distribution and quoted to order against an RFQ. Availability and current pricing are confirmed at quote time.
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