What it is and what it does
The ABB 2TLA020007R3200 JSTD1-C is a Safeball momentary safety switch with two SPDT contacts, rated IP67. IP67 means the switch body is dust-tight and protected against temporary immersion — suitable for washdown environments on food-and-bev lines or outdoor conveyor gantries where hosing is routine. The SPDT (single-pole double-throw) contact arrangement on each of the two circuits gives you both normally-open and normally-closed paths per channel, which simplifies wiring into a safety relay or PLC input card for dual-channel monitoring.