Temperature controller and safety temperature
limiter
T-M-20-S/+x+y/EX
(Type DTC 16.10.5/215 121 2000 + DTL 16.20.40/300 111 2000)
(Type DTC 16.10.70/350 121 2000 + DTL 16.20.70/350 111 2000)
The T-M-20-S/+x+y/EX is used for temperature control of electrical heaters
in industrial plants. The T-M-20-S/+x+y/EX consists of a temperature
controller and an additional safety temperature limiter. Because of it's high
breaking capacity it is suitable for direct connection of the heating cables to
the power. The controller is approved for use in hazardous area Zone 1
and Zone 2.
1. Safety instructions
Temperature controller and safety temperature limiter T-M-20-S/+x+y/EX
is not suitable for use in Zone 0.
During operation, do not leave this Instruction Manual or other objects
inside the enclosure.
Use the temperature controller and limiter only for its intended purpose
and only in clean, undamaged condition.
In the event of incorrect assembly, the requirements of IP 54 as specified
by EN 60 529: 1991 are no longer met.
Do not make any modifications to the temperature controller and limiter
that are not expressly mentioned in this Instruction Manual.
Whenever work is done on the temperature controller and limiter,
be sure to observe the national safety and accident prevention
regulations and the safety instructions given in this Instruction Manual,
wich are stated in bold and italic!
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