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Section 10
CT contactors
Services
9
Use of multi 9 contactors from 16 to 100 A
For automation needs in the housing, tertiary and industrial sectors, the range of
modular CT contactors is used for:
Power control of final circuits for housing and the tertiary sector:
b
b
Lighting (luminous signs, shop windows, safety lighting, etc.)
v
v
Heating, heat pumps, ovens
v
v
Hot water for domestic use
v
v
Small utility motors (pumps, fans, barriers, garage doors, etc.)
v
v
Emergency stops and safety systems
v
v
Air conditioning
v
v
Energy distribution control:
b
b
Load shedding and restoration
v
v
Source changeover, etc
v
v
Characterisation on load types
Standard IEC 61095 applies to electromechanical contactors for domestic and
similar purposes. It differs from standard IEC 60947.4 (designed for industrial
applications) by specific requirements relating to safety of persons and equipment in
premises and corridors accessible to the general public.
Applications
Industrial: IEC 60947.4 Domestic: IEC 61095
Motor
AC3
AC7b
Heating
AC1
AC7a
Lighting
AC5a and b
AC5a and b
Use for temperatures between 50 and 60 °C
When contactors are mounted in enclosures with an internal temperature of between
50 and 60 °C, a spacer, catalogue number 27062, must be placed between each
contactor.
Positioning the remote control contactors
This table positions each device according to:
The number of cycles (total or daily)
b
b
The power to be controlled
b
b
It provides information on the protection circuit-breaker to be associated.
200 000
100 000
20 000
TC16
TL
(+ DPN/C60)
CT
(+ C60)
Réflex
(XC40)
RLI
(+ DPN/C60)
CT
(+ C120)
Tm
(+ C60)
20
32
40
63
(A)
100
10
more than 100
cycles a day
50 to 100
cycles a day
10 to 50
cycles a day
less than 10
cycles a day
Spacer part number 27062
Life time (total number of cycles)