Calectro CTA-24/230V, overtemperature alarm

✅ The CTA is an overtemperature alarm for e.g. fire monitoring, industrial applications, etc.

✅ With 2 adjustable alarm temperatures and multiple voltage

Multi-voltage 24 V AC/DC or 230 V AC

✅ Very simple settings

✅ Backwards compatible with Calectro's overtemperature alarm

2 alternating, potential-free relays

✅ Display

✅ Built-in timer function

✅ Fine adjustment of the temperature measurement

✅ Selectable temperature sensor: Pt1000 (factory settings), Pt100, Ni1000, NTC (Calectro type: 22/33/44/55/99) and PTC (Calectro type: 95)