USER MANUAL
Time Delay Contact Blocks
CTE / CTD
Disconnect all power before installing, modifying or servicing equipment.
Electric shock will result in death or serious injury.
WARNING
Operating Instructions:
1. Depending upon application, select the type and range of
2. Mount the block on the top of desired rating of contactor/
3. Make the required connections.
4. Rotate the knob(button) of timer block in clockwise
5. Now switch on the circuit and set your stop watch for
6. Rotate button in clockwise direction if timing is required
7. Once the time is set to desired specification, check the
8. Now the timer is ready for proper functioning.
Only skilled & qualified personnel should carry out the following operations and
must adhere to all appropriate national, regional and local standards applicable
time delay contact block i.e. CTE / CTD
control relay by sliding till a click sound of latch is heard
to ensure the proper fixing.
direction to the position which is some what nearer to the
requirement.
accurately setting the position of the timer button.
to be increased and in anti-clockwise direction if required
to be decreased.
repeatability which shall be ±5% of timing set.
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Specification / Tolerance of Time Delay Contact Block:
Type
On Delay
Off Delay
Reference #
CTE3
CTE30
CTE180
CTD3
CTD30
CTD180
Time range
0.1-3 sec 3-6 sec
0.1-30 sec
10-180 sec
0.1-3 sec 3-6 sec
0.1-30 sec
10-180 sec
Tolerance on max.
Notes:
-Mechanical life : 5 million operations.
-Loss of accuracy up to 0.5 million operations : +15%
-Loss of accuracy due to ambient temperature : 0.25% per °C
position
28-60 sec
180-360 sec
28-60 sec
180-360 sec
Repeat accuracy
±5%
±5%
±5%
±5%
±5%
±5%
Crompton Controls Ltd.
Monckton Road, Wakefield, West Yorkshire WF2 7AL
Phone: +44 (0)1924 368251 Fax: +44 (0)1924 367274
E-mail: sales@cromptoncontrols.co.uk, www.cromptoncontrols.co.uk
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