173 / 408
7/41
Technical
Section 11
Dimensions
Section 12
7
iSO bells and iRO buzzers
Measurement
indication
iSO
iRO
PB111551-35
PB107163-35
iSO and iRO
Audible indication in housing and the tertiary sector.
Catalogue numbers
Bell and buzzer
Type
Width in 9 mm
modules
iSO bell
Voltage (Ue)
230 V AC
A9A15320
2
8…12 V AC
A9A15321
2
iRO buzzer
230 V AC
A9A15322
2
8…12 V AC
A9A15323
2
Operating frequency
50...60 Hz
DB123820
DB123821
Connection
DB123271
Tightening
torque
Copper cables
Rigid
Flexible or ferrule
1.3 N.m < 4 mm
2
< 4 mm
2
DB122946
PZ1
12 mm
DB122945
3.5 mm
Weight (g)
Bell and buzzer
Type
iSO
77
iRO
64
Dimensions (mm)
DB123147
81
45
18
6
22
44
iSO bell and iRO buzzer
Technical data
Main characteristics
iSO
iRO
Consumption
8…12 V AC
3.6 VA
220…240 V AC 5 VA
Additional characteristics
Degree of protection
(IEC 60529)
Device only
IP40
Device in modular
enclosure
IP20
Operating temperature
-10°C to +40°C
Storage temperature
-25°C to +60°C
Sound level (at a distance of 60 cm)
80 dBA
70 dBA
DB123309
DB123311
Clip on DIN rail 35 mm.
Indifferent position of installation.
DB123313
IP20
IP40