Technical Data - Grundfos CU 301 Instrucciones De Instalacion Y Operacion

9. Technical data

Supply voltage
1 x 100-240 V - 10 %/+ 6 %, 50/60 Hz, PE.
Power consumption
5 W.
Circuit breaker
Maximum 16 A.
Current consumption
Maximum 130 mA.
Mains borne signalling (power line
communication)
Frequency shift keying (FSK).
(132.45 kHz, ± 0.6 kHz).
Enclosure class
IP55.
Type 3R
Maximum leakage current:
3 mA
Maximum length between CU 301 and pump
956 ft.
Ambient temperature
• During operation: -22 to + 113 °F
The product must not be exposed to direct
sunlight.
• During storage: -22 to + 140 °F.
Weight
3.0 lb.
Relative humidity
Maximum 95 %.
Materials
The CU 301 box is made of black PPO.
EMC (electromagnetic compatibility)
According to EN 60730-1.
Pollution degree
Category 2.
Basic insulation
Category 3.
Control type action
Type 1.
Software control function
Class A.
Operating relay
Maximum current: 0.5 A.
Maximum voltage: 230 VAC.
Dimensional sketch
8.8"
PSI
100
90
80
70
60
50
40
4.11"
Fig. 21 Dimensional sketch
Sensor input
Voltage signal:
0-10 VDC / 2-10 VDC, R
Tolerance: ± 3 % at maximum voltage signal.
#22 ga. Screened cable is recommended.
Maximum cable length: 1640 ft (500 m).
Current signal:
DC 0-20 mA / 4-20 mA, R
Tolerance: ± 3 % at maximum current signal.
#22 ga. Screened cable is recommended.
Maximum cable length: 1640 ft (500 m).
3.7"
4.11"
= 11 kΩ.
i
= 500 Ω.
i
25