24 Hour
Mechanical Time
Switch
Model: NTT05
General Purpose Timer
Installation & Operating Instructions
NTT05 – General
Purpose Timer
Power LED
Terminal
cover
ON
segment
1
Time control segments:
1 segment = 15 minutes,
push segment down
for ON, pull up for OFF.
1. General:
This time switch is a compact and easy to use
segment timer, for wall mounting. It can control
outputs of up to 16A which makes it suitable for
domestic immersion heaters.
The NTT05 comes with a link in place which
can be removed to provide volt free contacts if
required, making it suitable for a wider range of
switching applications. If volt free is not required,
the link must be left in place.
Programme
ring
Time
indicator
Control switch:
1 = permanently ON,
Timer symbol = timed
control,
0 = permanently OFF.
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