EbV Product documentation THETA NORM/UNIT
14-1
14 Technical Data
14.1 General
Power supply voltage: 230V +6%/ -10%
Rated frequency: 50...60 Hz
Power input: max. 5.8 VA
Recommended pre-fuse: max. 6.3 A slow
Output relay contact load: 2 (2) A
Bus interface: T2B to connect to external devices (remote station, PC, modem or gateway)
Power supply via T2B bus: 12 V/ 150 mA
Ambient temperature: 0....+50°C
Storage temperature: -25....+60°C
Degree of protection: IP 30
Protection class according to EN 60730: II
Protection class according to EN 60529: III
Software-class: A
Radio protection: EN 55014 (1993)
Interference immunity: EN 55104 (1995)
CE compliance: 89/336/EWG
Casing dimensions: 144 x 96 x 75 mm (B x H x D)
Casing material: ABS, antistatic
Electrical connections: Plug-in terminal connections
Installation recommendations:
Cables with mains voltage
(power supply, burner, pumps, actuators):
Cross-section: 1.5 mm²
Maximum cable length: Unlimited cable length within house installation
Low voltage cables
(sensors, ext. switches, heat demand by means of contacts, modem connection cables, analogue signal lines etc.)
Cross-section: 0.5 mm²
Maximum cable length: 100 m (double line); Longer distances should be avoided to decrease the risk of
interferences.
Data bus connections
Cross-section: 0.6 mm²
Maximum cable length: 50 m (double line, longest distance between a standard unit and a device to be
supplied); longer distances should be avoided to decrease the risk of
interferences.
Recommended cable: J-Y(St)Y 2 x 0.6
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