Sigma Circuit Breaker

Voltage type: AC
Degree of protection (IP): IP20
Pollution degree: 3
Nom. (measurement) voltage: 400 V
Overvoltage category: 3
Energy limitation class: 3
Switching zero: Yes
Width in module units: 4
Number of protected poles: 3
Number of poles (total): 4
Installation depth: 69 mm
Additional device possible: Yes
Nom. insulation voltage Ui: 440 V
Recessed mounting (stucco): No
Frequency: 50 – 60 Hz
Connectable conductor cross section single wire: 0.75 – 35 mm²
Ambient temperature during operation: -25 – 55 °C
Connectable conductor cross-section multi-wire : 0.75 – 25 mm²