Datasheet

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Description Technical Data
SST 040 94 R
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Installation contactors are used to realize automatic control
of equipment in buildings. Preferably they are used for the
switching and controlling of lighting equipment, heating,
ventilation, pumps, heat pumps and other equipment.
Equipment for switchboard mounting on bearing rail (35 mm)
according to DIN EN 50 022
Mounting depth  68 mm
Mounting width  1,2 and 3 modules
(1 module = 17,5 ... 18,0 mm)
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fits ABB system pro M
SST 041 94 R
SST 039 94 RSST 037 94 RSST 038 94 R
ESB 20
ESB 24
ESB 40
ESB 63
ESB 24 + EH 04
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Application
Type ESB 20 has an AC magnetic system, type ESB 24, 40
and 63 have a DC magnetic drive and therefore are silently
operated. Compared with an AC magnet the noise during
switch-on can hardly be heard. An integrated diode rectifier
allows AC connection. The integrated varistor protects the
coil against lighting and overvoltage up to 5 kV. Furthermore
the interference voltage of the magnetic system is limited.
The contactors can be combined with PLC's.
Surge surpression is not necessary. The magnetic system
is shielded for radio interference.
Overvoltage peaks may allow a one time current of max.
200 A i.e. an energy of max. 4 J or 10
6
x a corrent of max. 5
A, i.e. an energy of max. 0.05 J at standard wave (8/20 µs).
All switching units of the contactors are main switching units
and can also used as auxiliary switching units.The contacts
are not constrained to switch control signals. A two auxiliary
contact type EH 04 can be mounted (1/2 module width) to
types ESB 24, 40 and 63. To switch control signals this
auxiliary contact should be used.
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silent operated magnetic drive
switch position indicator
integrated surge surpressor
attachable auxiliary contact
overvoltage protection of the coil up to 5 kV
increased switching capacity and endurance
rail mounting device with notch
big connections with open frame clamps
protection against inadvertent contact acc. to VDE 0106
part 100
Special Characteristics
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