Installation relays Ex9CH20

Installation relays with modular design Ex9CH20. These relays are intended especially for household applications and wherever minimum dimensions and modular design are required. They serve mainly for switching prevailingly resistance loads close to AC-1 up to 20A but also for motor applications AC-3. Relays are offered in various single, two and four-contact combinations. 

  • Meet requirements of IEC / EN 61095
  • Rated current up to 20 A
  • Control coil voltage 24, 230 or 240 V AC
  • Rated frequency 50/60 Hz
  • 1, 2 or 4-contact versions
  • Various contact combinations


Documents Technical parameters
Tested according to IEC / EN 61095
Rated operational voltage Ue 230/400 V AC
Control voltage Uc 24 V AC / 230 V AC / 240 V AC
Rated insulation voltage Ui 500 V
Rated impulse withstand voltage Uimp 4 kV
Rated conventional thermal current Ith 20 A
Rated current Ie AC-1, AC-7a 20 A
Rated current Ie AC-7b 9 A
Controlled power AC-7a 4 kW