SUD 228 II


  • Charging switch for electric storage heaters
  • Adjustable charging time and backward control
  • If the ripple control receiver or the tariff time switch have been released for nighttime off-peak tariff, the device starts the charging program for storage heating
  • Charging time can be set from 0–9 hours
  • Onscreen display of charging time which is repeated every 24 hours
  • Backward control stops charging process at the end of off-peak period
  • Manual switch can be connected for daytime charging

Technical data

Operating voltage 100 – 240 V AC
Frequency 50 – 60 Hz
Number of inputs 1
Number of outputs 1
Stand-by consumption ~1,2 W
Width 4 modules
Installation type DIN rail
Type of contact NO contact
Switching capacity 8 A (at 250 V AC, cos φ = 1)
Ambient temperature +0 °C … +55 °C
Type of protection IP 20
Protection class II according to EN 60 730-1

Connection example

SUD 228 II


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SUD 228 II - Charging switch for electric storage heaters

SUD 228 II

Article number 2280577
Data sheet
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