Calectro CFA, Electronic frost protection thermostat
€342,06
Basic price
/
Unavailable
✅ CFA Electronic Frost Protection Alarm with Keep-Warm Function, Dual Relay, and Digital Display
✅ Available with 24 V (CFA-24V) and 230 V operating voltages (CFA-230V)
✅ Very easy to set up
✅ Backward compatible with Calectros EFST-6 frost protection alarm
✅ 2 changeover, dry-contact relays
✅ Backlit digital display
✅ Fine-tuning of temperature measurement
✅ Selectable output signal: 0–10 V or 10–0 V
✅ Selectable temperature sensor: NTC (factory settings, Calectro types: 22/33/44/55/99), Pt1000, Pt100, Ni1000 and PTC (Calectro Type: 95)
Device type
Frost protection thermostat
Temperature range
-99 ... +600°C
Temperature accuracy
-99 ... +600°C
Relative pressure accuracy
Atmospheric pressure range
Atmospheric pressure accuracy
Measured variable
Temperature
Differential pressure range
Differential pressure accuracy
Relative humidity accuracy
Number of differential pressure ranges
Maximum measuring range limit
Protection class evaluation unit
Protection class housing
IP20
Special features
Alarm temperature: 0 ... 20°C,
Keep warm function:5 ... 50°C
IK impact resistance rating
Color rendering index CRI
Max. differential pressure
product.metafields.custom.messgroesse1
Output signal
Switching contact/ relay,
Analog output
Analog output specification
Switching output specification
potential-free alternating
Digital output specification
Sensor break output signal
Sensor short-circuit output signal
Relay output specification
potential-free alternating
Mounting
DIN rail,
Standard housing
Fastening strap specification
Power supply
230V AC ±10% 50-60 Hz,
24V AC ±10%
Recommended cable cross-section
Current and contact rating
250V ~ 5 A, ohmic load
Minimum switching capacity
product.metafields.custom.leistung Bürde max.
Reverse polarity protection
Ambient temperature
0 ... +40°C
Output signal accuracy LCD/Modbus
Signal output reproducibility
Switching function (flow)
Wet bulb temperature spec.
Dew point temperature spec.
