| Item Description | Level switch pump ON/OFF, max-alarm / level switch NRS 1-54 in conjunction with NRG 1. -52 / NRG16-4/NRG 16-36 SENSITIVITY OF RESPONSE: >0.5 ...< 1000 µs/CM or >10 ...< 10 000 µs/CM (switch-selectable) outputs: 2 volt-free change-over contacts pump/max alarm de-energizing delay: 3 seconds indicators and adjusters: 1 pushbutton "test" for simulating max alarm, 2 red/green leds for indicating "operating mode" pump on, max alarm, 1 green LED indicating "power on", 1 code switch with 4 poles for changing sensitivity and function. Supply voltage: 24 VDC, + / -20 %, 0.1 A |