220V 5A Automatic Factory School Bell Timing Switch Controller 40 Groups Timer Time Relay

Specification:

Internal power��Built-in battery, no need to replace

Working mode��Manual, Automatic switch

Programmable number��40

Ring time adjustment��1 second -99 seconds

Time control range��1min-168h

Timing error��≤1 second/day

Output mode��A set of transformations

Contact capacity��Ue/Le: ac-15 220V/3ALth:16A

Electrical life��100,000 times

Mechanical life��300,000 times

Ambient temperature��-10 ° C to 45 ° C

Power��≤3W

Installation��Device type, Guide rail type

Scope of application:
--NKG-4 time control bell ringing instrument is mainly used for ac 50Hz, rated control power supply voltage to 220V and below as a time control element in the circuit, according to the predetermined procedure to open or tear the circuit used. For example: automatic control of school bell time

Package Included:
1 xTiming control switch