Siemens Circuit breaker

Siemens digital industrial circuit breaker 5SY4420-5

Manufacturer: Siemens Digital Industries
Designation: Circuit breaker 400V 10kA 4p.A 20A
Type: 5SY4420-5
Mounting depth: 70 mm
Tripping characteristic: A
Number of poles (total): 4
Number of fused poles: 4
Rated current: 20 A
Rated voltage: 400 V
Rated insulation voltage Ui: 440 V
Rated impulse withstand voltage Uimp: 4 kV
Rated breaking capacity Icn to EN 60898 at 230 V: 10 kA
Voltage type: AC
Rated breaking capacity Icn to EN 60898 at 400 V: 10 kA
Rated breaking capacity Icu to IEC 60947-2 at 230 V: 20 kA
Rated breaking capacity Icu to IEC 60947-2 at 400 V: 20 kA
Frequency: 50 Hz
Energy limitation class: 3
Flush mounting: No
Neutral conductor to be connected: No
Overvoltage category: 3
Pollution degree: 3
Additional devices possible: Yes
Width in pitch units: 4
Protection class (IP): IP20
Ambient temperature during operation: -40 to 70 °C
Connectable conductor cross-section stranded: 0.75 to 35 mm²
Connectable conductor cross-section solid: 0.75 to 35 mm²
Explosion-proof: No

Siemens digital industries miniature circuit breaker 5SY4420-5: further details
Miniature circuit breaker 400V 10kA, 4-pole, A, 20A, T=70mm
Miniature circuit breaker SENTRON 5SY for safe short-circuit and overload protection for residential buildings, functional buildings, and special industrial applications. Tool-free assembly and disassembly of the device with the aid of a double slide. Any combination of conductors and busbar due to double chamber terminal. Simple wiring of the feeder due to the busbar at the rear. The miniature circuit breakers 5SY are available in 1-, 2-, 3-, 4-, as well as in 1+N- and 3+N-pole versions. The complete accessories can be used uniformly for all miniature circuit breakers 5SY. Simply safe with the protective devices from SENTRON. EAN: 4001869201559.