Thermal Switch TDS 247

Thermal differential switch with a maximum component, for detecting open fires with and without smoke.
It is used when disturbances such as dust, smoke, or steam are expected to occur operationally.
It must not be used for closures in escape and rescue routes in retention systems.
Its special features are:
- optical status display
- measuring part monitoring
- communication connection for RSBus
- potential-free opener

Design:	according to EN 54, Part 5
Fire detection:	by temperature, Class A1
Maximum part:	54°C to 65°C
Operating voltage:	18 to 28 V DC
Current consumption at 28 V DC:
Idle:	22 mA
Alarm:	11 mA
Fault:	16 mA
Relay contact:	Opener
Switching voltage:	30 V DC
Switching current:	1 A
Switching power:	30 W
Protection rating:	IP 42
Operating ambient temperature:	-20°C to +80°C
Color:	white, similar to RAL 9010