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2019-03-06 / V1.0
Important basic information
Contactors CT/CU Series – Installation and Maintenance Instructions
1. Important basic information
1.1 Legal notes
Without prior written consent of Schaltbau GmbH, this
manual is not allowed to be electronically or mechani-
cally reproduced – as a whole or in parts – be distrib-
uted, changed, transmitted, translated into another
language or used in any other way.
Schaltbau GmbH cannot be held liable for damage
caused by not observing (or only partly observing) the
manual.
1.2 Conventions for this manual
This manual describes the installation, commisioning
and maintenance of the contactors.
Cross references are presented in bold italics.
To highlight particularly important safety instructions
and other information, the following symbols are used
in this instructions:
DANGER
Indicates a hazardous situation with a high level
of risk which, if not avoided, will result in death or
serious injury.
WARNING
Indicates a hazardous situation with a medium level
of risk which, if not avoided, could result in death or
serious injury.
CAUTION
Indicates a hazardous situation with a low level of
risk which, if not avoided, may result in minor or
moderate injury.
NOTICE
Indicates a hazardous situation which, if not avoided,
may result in property damage, such as service inter-
ruption or damage to equipment or other materials.
Refers to technical features and methods
aimed at facilitating work or to particu-
larly important information.
This manual refers to single pole and double pole con-
tactors of the types:
Single pole
contactors
CT/CU 1115/04
CT/CU 1115/08
CT/CU 1115/10/11
CT/CU 1130/04
CT/CU 1130/08
CT/CU 1130/10/11
Double
pole con-
tactors
CT/CU 1215/04
CT/CU 1215/08
CT/CU 1215/10/11
CT/CU 1230/04
CT/CU 1230/08
CT/CU1230/10/11
X
CT contactors are devices for bidirectional DC or AC
operation and have electromagnetic blowout coils.
X
CU contactors are devices that only work in uni-
directional DC operation. CU contactors have per-
manent magnets instead of blowout coils.
X
The contactor types 1115/10, 1215/10 are UL rec-
ognized components (Underwriters Laboratories).
X
The contactor types CT XXXX/10 and CT XXXX/11
as well as CU XXXX/10 and CU XXXX/11 have basi-
cally the same structure. Apart from electrical data
the only dierence are the heat sinks:
- CT/CU XXXX/11 contactors have heat sinks
- CT/CU XXXX/10 contactors do not have heat
sinks
2. General and security information
The contactors dealt with in this document are intend-
ed for use with high-voltage systems for special instal-
lations. They are designed and tested in compliance
with the generally recognised state of the art. However,
improper use, operation, handling, maintenance of or
tampering with electric equipment can cause serious
or fatal injury to the user or others, and the appliance or
other property can be damaged.
The operation, maintenance and installation instruc-
tions for the contactors must therefore be strictly fol-
lowed.
Any uncertainties must be claried and all queries must
include details of the type of device and the serial num-
ber.
Only authorized and trained personnel are allowed to
plan and carry out all mechanical and electrical installa-
tions, transport, commissioning, as well as maintenance
and repair work. This applies to the observation of the
general installation and safety regulations for high-volt-
age systems as well as the proper use of tools approved
for this purpose. Electric equipment requires protection
from moisture and dust during installation and storage.
2.1 Observing the instructions
X
All sta must read and understand the instructions
in this manual and adhere to them when working
with the device.
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