4-pole IEC frame 160 MCCB with TM220 trip
The In=32A continuous rating and adjustable overload protection Ir=22A...32A let you fine-tune the thermal pickup to match the protected conductor or load. Short-circuit protection is fixed at Ii=10 x In (320A magnetic pickup), which is typical for line protection on distribution feeders rather than motor starting. The 100% N-conductor protection means the neutral pole is fully rated and will trip with the phase poles — important for 4-wire systems where neutral overcurrent must be cleared.
The lifecycle stage for this order code is listed as current, so it remains in the active Siemens catalog and is not subject to a last-time-buy or phase-out notice at this time. The ZD00 suffix indicates a customer-specific version — in this case a nut keeper kit for DC Power OEM in China. That means the base breaker (3VA1132-5GE42-0AA0) is a standard Siemens catalog item, but the full code with suffix is a configured variant. Verify the OEM-specific hardware is what your BOM calls for before ordering.