ABB i-bus KNX Product Manual page 5

2 T echnical data
1 B
Power supply:
Permissible operating temperature:
Protective class:
Protection:
Dimensions:
Inputs:
Quantity:
Contact voltage:
Contact current:
Maximum cable length:
Bus voltage
0°C ...+ 50°C
III
EN 60529: IP 21
HxWxD 80x84x28 (mm)
3
3.3 V provided internally
1 mA
5 m
5