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Building Technologies Division  User Manual RWF55...  CC1U7867en 
Infrastructure & Cities Sector  14 Technical data  05.11.2013 
14.4 Controller 
 
Type of controller  3-position controller and continuous 
controller 
Controller structure  P/PI/PD/PID 
Sampling time  250 ms 
 
14.5 Electrical data 
 
Power supply (switching network section)  AC 110...240 V +10/-15% 
48...63 Hz 
Electrical safety  To DIN EN 60730, part 1 
Overvoltage category III 
Degree of contamination 2 
Safety class I 
With internal separation from SELV 
electrical circuits 
SELV voltage  Max. 30 V 
Power consumption  Max. 20 VA 
Data backup  EEPROM 
Electrical connection  At the rear via screw terminals 
- Cross-sectional area  0.25...1.5 mm² fine-wired 
- Stranded wire with  - Ferrules to DIN 46228 
- Pin-type cable socket to DIN 46231 
- Crimp-type cable socket in fork-form for 
  M3 thread (dimensions to DIN 46237) 
With UL applications  Use of the cable lug or ferrules to 
UL486A-B (UL listed or recognized) 
Tightening torque  0.5 Nm 
Electromagnetic compatibility  DIN EN 61326-1 
Emitted interference  Class B 
Immunity  Meeting industrial requirements 
 
14.6 Housing 
 
Type of housing  Made of Makrolon for control panel 
mounting to DIN IEC 61554  
(use in indoor) 
Color Light-grey RAL7035 
Mounting depth  122 mm 
Mounting position  Optional 
Degree of protection  To DIN EN 60529 
Front side IP66 
Rear IP20 
 
To UL50E and to NEMA 250 
Front side type 5 
Weight (Fully equipped) 
- RWF55.5  Approx. 329 g 
- RWF55.6  Approx. 342 g