Supply Voltage:: AC/DC 24 – 240 V ±10 % (universal supply)
Frequency:: 50/60 Hz
Power Consumption:: < 3 VA
PTC Inputs:: 3 PTC circuits for thermistor sensors (DIN 44081/44082)
Connectable PTC Range:: up to ~< 4000 Ω per circuit
Relay Outputs:: 2 change‑over contacts (K1, K2) + 1 normally‑open contact (fan control)
Fan Control:: Intelligent fan output relay (normally‑open)
Alarm Relays:: Alarm 1 and Alarm 2 relays with change‑over contact behavior
Monitoring:: Break and short‑circuit detection on PTC sensors
Test Function:: Manual TEST‑button for delaying alarms
LED Indicators:: ON, sensor error, Fan, Alarm 1, Alarm 2 LEDs
Rated Ambient Temp:: approx. ‑20 °C … +55 °C
Housing Width:: ~70 mm
Mounting:: Snap‑on 35 mm DIN‑rail or screw mount M4
Protection Class:: IP30 / IP20 (housing/terminals)
Approvals:: CE, UL (component)
Dimensions (approx):: H × W × D ≈ 55 mm (mounting height) × 70 mm × 58 mm
Weight:: ~320 g
