800H-QRTH24G
Allen Bradley 800H-QRTH24G Pilot Light 800HQRTH24G
A nice touch with Allen Bradley is the LED status lights on their devices.
ALLEN BRADLEY 800H-QRTH24G PUSH TO TEST FULL V LED 24V GREEN SER F NNB
You will find that the WR-A212 (SA) model rarely needs adjustments after calibration.