Feature
Data
Switching point tolerance [%]
(of the scale range related to the cut-out point at rising tempera‐
ture)
±5
Minimum voltage [V] [AC]
Minimum current [mA]
(Switching safety)
24
20
Enclosure protection
Front
IP 53
Rear
IP 54
Tab. 20 Temperature gauge switch (Option C13)
Further information The electrical diagram for Option C13 in chapter 13.6 contains further details for the power supply
connection.
2.14.6 Option C14
Pressure sensor
Feature
Data
Output signal [mA]
4 – 20
Parasitic energy [V]
U
B
= DC 10 – 30
Permissible apparent resistance [Ohm]
R
A
= (U
B
[V] − 10 V) / 0.02 A
Enclosure protection
IP 65
Tab. 21 Pressure sensor (option C14)
Further information The wiring diagram for option C14 in chapter 13.6 contains further details of the power supply con‐
nection.
2.14.7 Option C19, H12
Thermostat
Feature
Data
Spring switch with change-over contact
1–pole
Switching capacity NC contact (1–2)
AC 230 V / 2.5 A / cosφ=0.6
AC 230 V / 16 A / cosφ=1
DC 230 V / 0.25 A
Switching capacity NO contact (1-4)
AC 230 V / 2.5 A / cosφ=0.6
AC 230 V / 6.3 A / cosφ=1
DC 230 V / 0.25 A
Switching differential scale starting position [%] 6
Switching differential scale end position [%]
1.5
Enclosure protection
IP 54
Tab. 22 Thermostat (Option C19)
Further information The electrical diagram for Option C19 in chapter 13.6 contains further details for the power supply
connection.
2
Technical Data
2.14 Options
12
Installation and Operating Manual Rotary lobe blower
HBPI pr
Number: 9_9572 28 USE
