Low-voltage Switchgear And Controlgear - Part 2-2: Circuit-breakers Incorporating Residual Current Protection
Japanese Standards Association
Introduction
1 Scope and object
2 Definitions
3 Classification
4 Characteristics of CBRs concerning their residual current
function
5 Marking and other product information
6 Normal service, mounting and transport conditions
7 Design operating requirements
8 Tests
Annex 1 (normative) CBRs corresponding to specifications of
JIS C 0364 Electrical installations of
buildings
Annex 2 (normative) CBRs corresponding to customary electrical
facilities construction rule
Annex A (normative) Coordination under short-circuit conditions
between a circuit-breaker with residual
current protection (CBR) and another
short-circuit protective device associated
in the same circuit
Annex B (normative) Circuit-breaker incorporating residual current
protection (CBR)
Annex C (normative) Individual pole short-circuit test sequence in
phase-earthed distribution system
Annex D (vacant)
Annex E (informative) Items subject to agreement between the
parties concerned with acceptance
(between manufacturer and user)
Annex F (normative) Additional requirements for CBR with
electronic over-current protection
Annex G (informative) Power loss
Annex H (normative) Test sequence of CBRs for IT (unearthed or
impedance earthed) system
Annex I (vacant)
Annex J (normative) Electromagnetic compatibility (EMC)
Annex K (informative) Glossary of symbols related to products
covered by this Standard
Annex L (normative) CBRs not fulfilling the requirements for
over-current protection
Annex M (normative) Modular residual current devices
Annex N (normative) Electromagnetic compatibility (EMC)-Additional
requirements and test methods for CBR and devices
incorporating electronic circuit not covered by
Annex F
Annex XA (normative) Circuit-breakers incorporating residual current
protection (CBRs) which also serve for protection
of induction motors
Annex XB (normative) Circuit-breakers incorporating residual
current protection (CBRs) with protection
against neutralline failure in single-phase
three-wire system
Annex XC (informative) Conventional circuit-breakers incorporating
residual current protection (CBRs) for lamp
distribution switchboard
Annex XD (informative) Comparison table between JIS and corresponding
International Standard
Specifies such circuit-breakers incorporating residual current protection that the rated voltage of the circuit to which the breaker main contacts are connected is a.c. 1 000 V or less at a frequency of 50 Hz or 60 Hz (hereafter referred to as CBRs).
| Document Type | Standard |
| Status | Current |
| Publisher | Japanese Standards Association |
| ProductNote | Supersedes JIS C8371. (04/2009) |
| Supersedes |
|
