Mounting method
Surface mounting
Voltage type of supply voltage
DC
Explosion-tested version
No
Degree of protection (IP)
IP20
Standard networkable via radio
Yes
Current supply primary
Battery/accumulator
With voltage indication
No
Backup battery included
Alkaline
Included backup battery rechargeable
No
Max. number networkable
40
Type of test-/pause button
Test button
Networkable via radio optional
No
With orientation lighting
No
Suitable for duct mounting
No