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ELECTRONIC HYGROTHERM WITH EXTERNAL SENSOR
ETF 012
> Efficient temperature > Operating temperature down to -40 C
& humidity control > High switching capacity
> Wide voltage range > With external sensor
The ETF 012 senses the ambient temperature and relative humidity in an enclosure. Depending on which contact
combination is chosen, it then turns on or off a connected device if either the temperature is below or the
humidity is above the set point. The integrated LED in each adjustment knob i lit when indicating the active function.
The external sensor can be positioned freely anywhere in the enclosure forprecise measurements.
TECHNICAL DATA
Switching difference (temperature) 2 K (1 K tolerance) at +25 C (+77 F), 50 %RH
Switching difference (humidity) 4 %RH (1 % tolerance) at +25 C (+77 F), 50 %RH
Reaction time (humidity) approx. 5 sec.
Contact type change-over contact (relay)
Service life VDE: NO/NC > 15,000 cycles
UL: NO/NC > 30,000 cycles
Max. switching capacity (relay output) 10 A resistive / 1.6 A inductive @ AC 240 V
0.6 A @ DC 60 V
Max. inrush current AC 30 A for 10 sec.
Connection 5-pole terminal, clamping torque 0.5 Nm max.:
solid/stranded wire - AWG 14 max. (2.5 mm)
Housing plastic, UL 94V-0, light grey
Mounting clip for 35 mm DIN rail, EN 60715
Mounting position vertical
Operating/Storage temperature -40 to +140 F (-40 to +60 C)
Operating/Storage humidity max. 95 %RH (non-condensing)
Dimensions 3.0 x 2.4 x 1.7" (77 x 60 x 43 mm)
Weight approx. 3.5 oz. (100 g)
Protection type IP20
Approvals UL File No. E164102, VDE, GOST-R
1
not UL confirmed
When connecting with stranded wires, wire end ferrules must be used.
Hygrotherm Heater
ETF 012
Wiring example
Heater
Part No. Cable 1 m Part no. Cable 2 m Operating voltage Setting range temperature Setting range humidity
01231.0-00 01231.0-01 AC 100-240 V, 50/60 Hz (min. AC 90 V, max. AC 265 V) 0 to +60 C 50 to 90 %RH
01231.9-00 01231.9-01 AC 100-240 V, 50/60 Hz (min. AC 90 V, max. AC 265 V) +32 to +140 F 50 to 90 %RH
01231.1-00 01231.1-01 DC 24-48 V (min. DC 20 V, max. DC 60 V) 0 to +60 C 50 to 90 %RH
08.08.2014 | Specifications are subject to change without notice. Suitability of this product for its intended use and any associated risks must be determined by the end customer/buyer in its final application. www.stegousa.comX-ON Electronics
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