KROHNE OPTITEMP TRA-TCA Plus EN - Manual (Page 37)

ELECTRICAL CONNECTIONS
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OPTITEMP TRA/TCA PLUS
www.krohne.com 01/2012 - 4000630301 - MA OPTITEMP TRA/TCA Plus R01
Electrical connections
4.1 Safety instructions
4.2 Grounding
4.3 Protection category
The IP protection category of an industrial thermometer depends on the type of connection and
the cable gland used. Connection heads with ½" NPT threads are supplied without cable glands.
The following protection categories are available: IP54 (BKK), IP65 (BA, BUZ-T/S/H/HW, BVA),
IP67 (BGK), IP68 (AXD).
4.4 Power supply
The only components of an industrial thermometer for advanced requirements that require a
power supply are the measuring insert and any temperature transmitter used. For more
detailed information on supplying these components with power, consult the product-specific
manuals.
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
DANGER!
Observe the national regulations for electrical installations!
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
DANGER!
The thermowells on the industrial thermometer for advanced requirements are grounded via the
process connection. No additional grounding is required. One exception is the coated flange
thermowells, which must be grounded separately.
INFORMATION!
Assembly materials and tools are not part of the delivery. Use the assembly materials and tools
in compliance with the applicable occupational health and safety directives.
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