4 electrical connection, Electrical connection, Installation notes – JUMO 701150 14597 safetyM STB/STW - Safety Temperature Limiter and Safety Temperature Monitor Operating Manual User Manual
Page 21
4 Electrical connection
21
4 Electrical
connection
4.1
Installation notes
a
Check that the safety temperature limiter is correctly installed for its application (temperature measurement) and is oper-
ated within the admissible system parameters.
a
The device is designed for installation in switch cabinets, machines/plants or systems.
Ensure that the customer's fuse rating does not exceed 20 A.
a
Isolate the device at all poles prior to starting service or repair work.
a
All incoming and outgoing lines without a connection to the power supply network must be laid with shielded and
twisted lines. Connect the screen on the device side to ground.
a
Do not run input and output lines close to current-carrying components or cables.
a
Do not connect any additional consumers to the screw terminals for the device power supply.
a
The choice of cable, the installation and the electrical connection of the device must conform to the requirements of VDE
0100 "Regulations on the Installation of Power Circuits with Nominal Voltages below 1000 V" or the appropriate local
regulations.
a
Protect the relay circuit by suitable measures.
The maximum contact rating is 230 V/3 A (ohmic load).
a
The electromagnetic compatibility conforms to the standards and regulations cited in the technical data.
v
a
During commissioning we recommend carrying out a trial run of the system until temperature switch-off at the set limit.
V
Only allow qualified electricians to carry out the electrical connection and the configuration settings until commis-
sioning.