SQFlex data booklet

Table Of Contents
CU 200 SQFlex control unit
Voltage
30-300 VDC, 8.4 A
90-240 VAC, 8.4 A
Power consumption 5 W
Current consumption Maximum 130 mA
Pump cable
Maximum length between the CU 200 and the pump: 300 m (1000 ft)
Maximum length between the CU 200 and the level switch: 500 m (1500 ft)
Backup fuse Maximum 10 A
Radio noise
The CU 200 complies with the EMC Directive 89/336/EEC.
It is tested according to the standards EN 55014 and EN 55014-2.
Relative air humidity 95 %
Enclosure class IP55
Ambient temperature
During operation: -30 °C to +50 °C (-22 °F to +122 °F)
During storage: -30 °C to +60 °C (-22 °F to +140 °F)
Marking CE
Weight 2 kg
CIU 903 SQFlex control unit
Electrical data
Supply voltage 24-240 VAC/VDC - 10 %/+ 15 %
Transient overvoltage Category II
Frequency 0-60 Hz
Power consumption Maximum 11 W
Cable size
IEC: 0.2 - 4 mm
2
UL: 24-12 AWG
Recommended cable type
Screened, double twisted-pair
Cross-section: 0.25 - 1 mm
2
AWG: 24-18
Maximum cable length: 1200 m/4000 ft
Pump cable
Maximum length between the CU 200 and the pump: 300 m (1000 ft)
Maximum length between the CU 200 and the level switch: 500 m (1500 ft)
Cable entry 6 x M16 4-10
GENIbus connection
Transceiver RS-485
Protocol GENIbus
Transmission speed 9600 bit/s
Environmental conditions
Altitude above sea level Maximum 2000 m (6500 ft)
Relative air humidity Maximum 100 %
External pollution degree Category 3
Enclosure class
IP54 according to IEC 60529
Type 3R according to UL 50
Ambient temperature
During operation
- CIU XXX
- CIU 250-299.
During storage
- CIU XXX
- CIU 250-299.
During transportation
- CIU XXX
- CIU 250-299.
-20 °C to +45 °C (-4 °F to +113 °F)
0 °C to +40 °C (32 °F to 104 °F) (when battery is installed)
-20 °C to +60 °C (-4 °F to +140 °F)
-20 °C to +35 °C (-4 °F to +95 °F) (when battery is installed)
-20 °C to +60 °C (-4 °F to +140 °F)
-20 °C to +35 °C (-4 °F to +95 °F) (when battery is installed)
SQFlex
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Technical data