The 127 V AC coil pulls in clean on standard control transformers. IP20 finger-safe terminals meet VDE 0106, which is fine inside a locked panel but not for open-belt exposure.
Built for the pit — vibration and shock ratings that matter
This reversing contactor shrugs off the vibration you get on a crusher floor or mill motor starter skid. Closed-contact shock rating hits 10 Gn on Y and Z axes, 15 Gn on X — that's a solid hit from a rock falling on the enclosure or a mill start transient. Vibration tested at 4 Gn closed, 5–300 Hz per IEC 60068-2-6. Open-contact ratings are lower (2 Gn vibration, 6 Gn shock on X) but that's the expected margin: you don't want contacts bouncing closed during a fault.
The preassembled reversing busbar saves an hour of wiring and eliminates the risk of a mis-wired mechanical interlock. Three NO power poles handle the motor leads; the 1 NC auxiliary is built in for control logic feedback. The 127 V AC coil is common on North American control transformers with a 120 V secondary; verify your control voltage matches before committing the BOM line.