Description

Product Description

NB1-63DC Miniature Circuit Breaker is applicable to the circuit of DC system, used for Over-load and short-Circuit protection. It can also be used for infrequent line conversion under the normal condition. It can be used in DC system as communication system, Etc..

Technical parameter

- Standard : IEC/EN 60947-2

- Voltage : 2P/500V DC

- Poles : 2P

- Release type : C(7~10)In

- Pollution degree : Degree II

- Protection Degree : IP 20

  • Rated Operating Voltage(VDC): DC500V
  • Rated Current In (A): 40A
  • Rated Impact Voltage Uimp (KV): 4
  • Ultimate Breaking Capacity Icu (kA): 6
  • Run Breaking Capacity Ics (%Icu): 75%
  • Curve Type: C(7~10)
  • Trip Type: Thermal-magnetic

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