24 h time switch СР21

Purpose:

• The СР21 time switch controls appliances, turning the load on and off at the required times on a 24-hour cycle.
• Automatic correction is performed daily, according to the on and off times stored in the relay memory.
• The on and off times can be set:
  • to sunrise and sunset for the longitude and latitude of the location where the relay is to be used;
  • to the schedule approved by Resolution No. 1030 of the National Electricity Regulatory Commission of Ukraine of 22 October 2004;
  • to the customer’s own schedule.

Key features:

• Digital display of the current time.
• Indication of the output states of channel 1 and channel 2.
• Highly stable timekeeping.
• The built-in non-volatile real-time clock runs for 5 years without power.
• Non-volatile program memory.
• Output relay with galvanically isolated contacts on each channel.
• DIN-rail mounting

The relay allows the load to be switched on and off under independent programming on two channels:

• СР21 — over 24 hours;
• СР22 — over a week;
• СР23 — over a year,

Settings made independently for each channel.

Documentation:

• Datasheet for time switches СР21, СР22, СР23
• Programming instructions for time switch СР21
• Programming instructions for weekly time switch СР22
• Programming instructions for annual time switch СР23
• Reprogramming instructions for annual time switch СР23