Compensation system in ISO wall-mounted housing

Kompensationsanlage im ISO-Wandgehäuse

Abbildung ähnlich, with or without detuning reactors

Reactive current compensation system with or without detuning reactors in ISO wall-mounted housing


  • Power from 25 to 100 kvar
  • Detuning factor 5.5 to 14 %
  • Capacitor rated voltage with 440 V or 525 V
  • Simple assembly
  • System with reactive power controller

Technical data

Device type

p = 5.5, 7 or 8 % 440 V capacitors
p = 12.5 or 14 % 525 V capacitors

Rated voltage | frequency: Un = 400 V | 50 Hz
Maximum permissible operating voltage: Un = 400 V ± 10 %
Maximum permissible operating current:
1,3 x I n permanently
Reactive power controller:
multicomp 144 LCD
4-quadrant operation
Optimizing control mode
Circular switching
Current transformer connection:
1 A and 5 A
Switching element: Capacitor contactors
Control voltage: UControl  = 230 V, 50 Hz
Control voltage transformer required if operating voltage deviates
Switching delay: 60 s
Capacitors: Low-loss multi-cond UHPC power capacitors, MTK technology
Capacitor rated voltage: Urated = 440 V (AH); Urated = 525 V (AB)
Discharge of capacitors: Discharge resistance t < 60 s; optional discharge reactors t < 3 s
Filter circuit inductors: linear filter circuit inductors to avoid resonances in networks with monics, integrated temperature monitoring
Inductor factors:  p = 5.5, 7,8, 12.5 and 14%
Unit assembly design: Galvanized mounting plates
Protection type: Protection class 2
Ambient temperatures: + 40 °C maximum value, short term
+ 35 °C on a 24-hour average
+ 20 °C on an annual average
– 10 °C minimum value

Fuse protection:

Group fusing with NH fuses and fuse bases
(NH isolator available on request)

Reducing energy costs by reactive power compensation

"Reducing energy costs by reactive power compensation"

Components for reactive power compensation

KBR-Catalogue - Components for power compensation

multimax - Energy Optimization System


The best choice for optimum performance and maximum cost savings

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