Isolators with accessories Ex9BI

Installation isolators Ex9BI series are intended for a wide range of applications, especially as master switches. Their design meets all the requirements for a safe power interruption. They are available in one up to four pole design versions, with one module width per pole.

Ex9BI isolators can be supplemented with a wide range of accessories identical with circuit breakers Ex9B. They can be fitted with up to three units of auxiliary or signal contacts AX31, AL31, AXL31 and, at the same time with up to two release units. Releases are available as opening, under-voltage and over-voltage releases and can be optionally combined as necessary. All these accessories can be mounted to the isolator from the left side. 

  • Wide range of accessories
  • Rated current up to 63 A
  • Rated voltage 230/400 V AC
  • Rated short-time withstand current Icw = 1 kA, 1 s
  • Meet requirements of IEC / EN 60947-3
  • 1 up to 4-pole version 


Documents Technical parameters
Tested according to IEC/EN 60947-3
Rated op. voltage 230/400 V AC
Rated frequenc 50 Hz
Rated current Ie AC-22A 230/400 V AC 16, 25, 32, 40, 63 A
Number of poles 1, 2, 3, 4
Utilization categor AC-22A
Rated insulation voltage Ui 690 V
Rated impulse withstand voltage Uimp 6 kV