The BAF1-2RQ9-LH is a 1NO/1NC SPDT snap-action medium-duty Limit Switch with top roller plunger actuator. The elastomer boot on sealed actuator versions protects the actuating mechanism and the internal basic switch from contaminants. There is a seal gasket between the cover plate and the enclosures on all versions. The cover plate is removed for ease of wiring and switch replacement without demounting the switch. The actuator position is designated left when looking at the nameplate. The high capacity enclosed switch is suitable for special machinery, conveyors, overhead cranes and hoist.