Siemens Circuit breaker UC D 40A 1+N 230V 5SY4540-8

Siemens Dig.Industr. miniature circuit breaker 5SY4540-8

Manufacturer: Siemens Dig.Industr.
Designation: Miniature circuit breaker 230V 10kA 1+N D 40A
Type: 5SY4540-8
Mounting depth: 70 mm
Tripping characteristic: D
Number of poles (total): 2
Number of fused poles: 1
Rated current: 40 A
Rated voltage: 230 V
Rated insulation voltage Ui: 250 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: 15 kA
Rated breaking capacity Icu to IEC 60947-2 at 400 V: 15 kA
Frequency: 50 Hz
Energy limitation class: 3
Flush mounting: no
Neutral conductor to be connected: yes
Overvoltage category: 3
Degree of pollution: 3
Additional devices possible: yes
Width in pitch units: 2
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 Dig.Industr. Miniature circuit-breaker 5SY4540-8: further details
Miniature circuit-breaker 230V 10kA, 1+N-pole, D, 40A, 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 mounting and dismounting of the device with the help of a double slide. Any combination of conductors and busbar due to double chamber terminal. Simple wiring of the feeder due to the busbar located at the rear. 5SY miniature circuit breakers are available in 1-, 2-, 3-, 4- as well as 1+N- and 3+N-pole versions. All accessories can be used uniformly for all 5SY miniature circuit breakers. Simply safe with SENTRON's protective devices.