NB310L/C40-3PN-6-AC30 Compact Residual Current Circuit Breaker 3P+N 40A 30mA 6kA C-Curve AC TYPE 4M
DESCRIPTION:
NB310L series 6kA compact residual current circuit breakers for thermomagnetic/residual current protection. Particularly suitable for line protection against overloads and short circuits, as well as against direct contact. Intended for applications in the civil, tertiary and industrial sectors. Available in 2P and 3P+N versions with 6 kA breaking capacity on 2 and 4 DIN modules. Rated current from 6 to 40 A and differential trip current of 30 and 300 mA. The characteristic curve of the circuit breaker is type C, while the differential operating characteristic is type AC and type A. Can be accessorized with auxiliary contacts, alarm contacts, shunt release and undervoltage release.
Technical characteristics:
- Reference standard: IEC/EN 61009-1
- Number of poles: 3P+N
- Rated current: In 40 A
- Trip curve: C
- Differential characteristic: AC
- Rated voltage Vn: 400 Vac
- Rated frequency f: 50/60 Hz
- Insulation voltage Ui: 500 Vac
- Impulse voltage Uimp: 4 kV
- Rated breaking capacity Icn: 6 kA
- Rated service breaking capacity Ics: 6 kA
- Dissipated power: 17 W
- Number of DIN modules (1 DIN = 18 mm): 4
- Protection index: IP20
- Dimensions (h)x(w)x(d): 86x72x78 mm
- Matching accessories: XF9 series auxiliary contacts. XF9J series alarm contacts. S9 series shunt release. V9 series undervoltage release
Product code: 660025
