thuba MS16 Manuel page 3

Manual PTB 20 ATEX 1012
Explosionproof magnetic switch MS16 and
small thermostat ST16
Contents
1. Safety rules
2. Conformity with standards
3. Technical data
4. Installation
5. Maintenance
6. Repair
7. Disposal
Target group
Experienced electricians as defined by the Oper-
ating Safety Ordinance and properly instructed
personnel.
1. Safety Rules
The explosionproof magnetic switch MS16 and
small thermostat ST16, may only be used for
applications in Zones 1 and 2 or in Zones 21 and
22.
Operate the magnetic switch MS16 and small
thermostat ST16, only for their intended duty in
an undamaged and clean condition, and only
where the resistance of the enclosure material is
assured.
No modifications may be made to the flameproof
enclosure or the cable entry.
The magnetic switch MS16 and small thermo-
stat ST16 must not be opened.
Whenever work involving magnetic switch
MS16 and small thermostat ST16 is carried
out, be sure to observe the national safety
and accident prevention regulations and the
safety instructions given in this Instruction
Manual, which (like this paragraph) are stated
in italics!
The magnetic switch MS16 and small thermo-
stat ST16, must not be built into the walls of
flameproof enclosures.
Edition January 2021
Copyright
thuba Ltd., CH-4002 Basel
Switzerland
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