ABB B21 - Page 6

5
EN
EN
Terminal wire area
Tightening torque
1 - 25 mm²
3.0 Nm
Current
- base I
b
- reference I
ref
- maximum I
max
- minimum I
min
5 A
5 A
65 A
0.25 A
Frequency 50 or 60 Hz ± 5%
Accuracy 1%
Material Polycarbonate in transparent front glass.
Glass reinforced polycarbonate in bottom
case and upper case. Polycarbonate in ter-
minal cover
Operating temp. -40 °C to +70 °C
Storage temp. -40 °C to +85 °C
Humidity 75% yearly average, 95% on 30 days/year
Resistance to heat Terminal 960°C, cover 650°C (IEC 60695-
2-1)
Outputs
Current 2 - 100 mA
Tech. Data
B21_install.book Page 5 Thursday, May 30, 2013 4:29 PM