Siemens 3VA1 series, IEC frame 250, 3-pole MCCB, 160A TM220 thermal-magnetic trip, 55kA Icu @ 415 V, breaking capacity class M.
Its TM220 trip unit provides adjustable thermal overload protection from 112 A to 160 A and a fixed magnetic short-circuit pickup at 10 × In (1600 A).
Mounts on standard DIN rail or panel-mount in a 3VA1 frame. The suffix ZD00 indicates a nut keeper kit included for DC Power OEM installations in China — verify termination hardware matches your busbar or cable lug pattern before panel integration.
The TM220 thermal-magnetic trip provides overload protection adjustable from 112 A to 160 A (Ir) and a fixed short-circuit pickup Ii = 10 × In, which is 1600 A.
This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current pricing and availability — confirmed at quote time.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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