Trox Technik FK-EU, Manual

Page: 32 / 45

Attachments
Limit switch
06/2015 – DE/en
FK-EU
1
Limit switch
Limit switch
(explosion- proof)
FK-EU with limit switch
– Limit switches with volt-free contacts
enable the damper blade position indication.
– Up to the maximum switch rating,
relays or indicator lights
for fire alarm systems can be used
– One limit switch each is required for damper
blade positions OPEN and CLOSED
– Fire dampers with a fusible link can be supplied
with one or two limit switches;
the switches can also be fitted later
FK-EU with limit switch (explosion-proof)
– According to declaration of conformity
TÜV 11 ATEX 085420 X explosion-proof
limit switches with volt-free contacts
can indicate the damper blade position.
– Up to the maximum switch rating,
relays or indicator lights for fire alarm systems
can be used
– The limit switches must be connected
in a separately approved casing
with a type of protection according
to EN 60079-0
– One limit switch each is required
for damper blade positions
OPEN and CLOSED
– Fire dampers with a fusible link
can be supplied with one or two limit switches;
the switches can also be fitted later
Description
For detailed information
on limit switches
see Chapter 1.2
Description
For detailed information
on limit switches
see Chapter 1.2
K 4 – 1.1 – 33
/ Z01
/ Z02
/ Z03
ݍ
Order code detail
/ Z01EX
/ Z02EX
/ Z03EX
ݍ
Order code detail
Attachments Order code
Limit switch for damper blade position CLOSED Z01
Limit switch for damper blade position OPEN Z02
Limit switches for damper blade positions CLOSED and OPEN Z03
Attachments Order code
Limit switch (explosion-proof) for damper blade position CLOSED Z01EX
Limit switch (explosion-proof) for damper blade position OPEN Z02EX
Limit switches (explosion-proof) for damper blade positions CLOSED and OPEN Z03EX
ATEX certification
ATEX areas of application for the FK-EU
Release mechanism Marking Ambient temperature Maximum airflow velocity
Fusible link II 2D c T80 °C/II 2G c IIC T6 –40 to 40 °C 8 m/s
Fusible link and limit switch II 2D c T80 °C/II 2G c IIC T6 –20 to 40 °C 8 m/s