| Description de l'article | COMPACT SYSTEM FOR LEVEL MONITORING NRGS 11-2 OUTPUT: 2 volt-free change-over contacts, 8 A 250 V AC / 30 V DC COS Φ = 1. DE-ENERGIZING DELAY: 3 seconds (min alarm). 1 volt-free change-over contact, 8 A 250 V AC / 30 V DC cos φ = 1 (e. G. Feedwater pump on). Indicators and adjustors: 2 red leds for signalling "low water level", 1 green LED "pump on". 1 four-pole code switch for selecting the response sensitivity. 1 push button for testing the min (low-level) alarm 1 push button "reset" sensitivity of response: >0.5 ...< 1000 µs/CM or >10 ...< 10 000 µs/CM mains supply: 115/230 V +/- 10 %, 50/60 HZ protection: IP 65 lengths supplied: 1000MM |