11 ABB Instruction manual
| MODVAR Low voltage reactive power
MODVAR
Low voltage reactive power compensation modules
Voltage range
415V, 50Hz
For other voltages please consult ABB
Connection
Three phase
Net output power Q at 415V
12.5kvar, 25kvar, 50kvar
Discharge resistors
Included
Discharge time: less than 50V in 1 minute
System connection
Fuse base mounted on busbar (max 30x10mm)
Earth
Earth the mounting plate
Fixing
Two M6 screws to the supporting rail (M8 holes on mounting plate)
Protection degree(according to IEC 60529)
IP00
Installation
Indoor
Weight
12.5kvar 25kg
25kvar 35kg
50kvar 50kg
Maximum ambient temperature
Class D according to IEC60831:
Maximum average over 1 year: 35°C
Maximum average over 24h: 45°C
Minimum ambient temperature
-25°C
Fuse
ABB gG or gL 50, 63, 100 and 125 A
Contactor
ABB UA75
Control voltage: 230/240V at 50Hz
Required clearance
25 mm minimum to walls
Capacitor losses
Less than 0.5 W/kvar (discharge resistor losses included)
Contactor and fuses losses
With UA75 contactor: 0.82 W/kvar
Tolerance on capacitance
0% +10 %
Capacitor voltage test
Between terminals: 2.15xUn for 10 seconds
Between terminals and earth: 3kV for 10 sec: Un ≤ 450V
Lightning impulse voltage: 8 kV: Un ≤ 690V
Overload capability
(according to IEC 60831)
Overvoltage tolerance: 10% for maximum 8h in every 24h and 30% for maximum 1min
Maximum permissible current: 1.3x In.
Altitude
Up to 1000m
Compliance
IEC 60831 part 1 & 2
CE marked
8.0 Technical specifications
Cooling
Forced air cooling:120cm
3
/h
