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Technical data
Power supply: 210 ... 250V~ 50-60 Hz
Power input: max. 3 VA
Fuse: 3.15 A fast-acting (device + output)
Supply cable: 3x 1mm² H05VV-F conforming to EN 60730-1
Case: plastic: ABS, flame resistance: Class V0 to UL94 Norm
Protection rating: II - protective insulation
Protection class: IP40
Dimensions (W/H/D): 152x101x48 mm
Weight: 210 g
Allowed ambient temperature: 0 to 45° C
Inputs: 3 inputs; optional for temperature sensor (KTY (2 k ), PT1000), Vortex sensor
VFS2-40, radiation sensor; as digital input or as input for volume flow encoder
(ONLY input 3)
Control output: 0 - 10V / 20mA switchable to PWM (10V / 500 Hz), supply for electronic
volume flow encoder: +5 V DC / 10 mA or connection of the auxiliary relay
HIREL-STAG
Output: 1 output
ESR31-R ... relay output
ESR31-D ... Triac output (minimum load of 20W required)
Rated current load: ESR31-D: max. 1.5 A ohmic inductive cos phi 0.6
ESR31-R: max. 2.5 A ohmic inductive cos phi 0.6
Tank sensor BF: diameter 6 mm incl. 2 m cable
BF PT1000 – to 90°C continuous load
BF KTY – to 90°C continuous load
Collector sensor KF: diameter 6 mm incl. 2 m cable with connection box and overvoltage
protection KF KTY to 180°C continuous load KF PT1000 to180°C continuous load
(momentary to 240°C)
The sensor cables at the inputs having a cross section of 0.50 mm² can be extended by up to
50 m.
Consumers (e.g.: pumps, valves...) having a cross section of 0.75 mm² can be connected at
a distance of up to 30 m.
Temperature differential: adjustable from 0 to 99°C
Minimum threshold/Maximum threshold: adjustable from -30 to +150°C
Temperature display: -40 to 200°C
Resolution: from -40 to 99.9°C in 0.1°C increments; from100 to 200°C in 1°C increments
Accuracy: type. +-1%
We reserve the right to make technical changes. © 2014
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