GB/T 22794-2017 Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses (English Version)
1 Scope
The scope of IEC 61008-1 and IEC 61009-1 applies with the following additions.
This standard specifies requirements and tests for Type F and Type B RCDs (Residual Current Devices). Requirements and tests given in this standard are in addition to the requirements of Type A residual current devices. This standard can only be used together with IEC 61008-1 and IEC 61009-1.
Type F RCCBs (Residual Current Circuit Breaker) and Type F RCBOs (Residual Current Circuit Breaker with Overcurrent Protection) with rated frequency 50 Hz or 60 Hz are intended for installations when frequency inverters are supplied between phase and neutral or phase and earthed middle conductor and are able to provide protection in case of alternating residual sinusoidal at the rated frequency, pulsating direct residual currents and composite residual currents that may occur.
Type B RCCBs and Type B RCBOs are able to provide protection in case of alternating residual sinusoidal currents up to 1000 Hz, pulsating direct residual currents, composite residual currents and smooth direct residual currents.
RCDs according to this standard are not intended to be used in d.c. supply systems.
Further requirements and tests for products to be used in situations where the residual current was not intended to be covered in IEC 61008-1 or IEC 61009-1 are under consideration.
For the purpose of manufacturer’s declaration or verification of conformity, type tests should be carried out in test sequences in compliance with Annex A, Annex B, Annex C or Annex D of this standard.
The complete test sequence for type test of Type F RCCBs and Type F RCBOs is given in Tables A.1 and B.1 respectively. The complete test sequence for type test of Type B RCCBs and Type B RCBOs is given in Tables C.1 or D.1 respectively.
Note 1: Throughout the document, the term RCD refers to RCCBs and RCBOs.
Note 2: Requirements for 1 pole with solid neutral are under consideration.
Note 3: Even if the surge voltage will cause flashover and subsequent current, and the inrush residual current with the maximum duration of 10 ms will be generated when the electronic equipment or EMC filter is turned on, the F-type and B-type RCDs still have high resistance to unwanted tripping.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
Foreword I
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Characteristics
6 Marking and other product information
7 Standard conditions for operation in service and for installation
8 Conditions for construction and operation
9 Tests
Annex A (Normative) Number of samples to be submitted and test sequences to be applied for verification of conformity for type F RCCB
Annex B (Normative) Number of samples to be submitted and test sequences to be applied for verification of conformity for Type F RCBO
Annex C (Normative) Number of samples to be submitted and test sequences to be applied for verification of conformity for Type B RCCB
Annex D (Normative) Number of samples to be submitted and test sequences to be applied for verification of conformity for Type B RCBO
Annex E (Normative) Routine tests for Type F and Type B RCD
Bibliography
GB/T 22794-2017 Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses (English Version)
Standard No.
GB/T 22794-2017
Status
valid
Language
English
File Format
PDF
Word Count
16500 words
Price(USD)
160.0
Implemented on
2018-7-1
Delivery
via email in 1 business day
Detail of GB/T 22794-2017
Standard No.
GB/T 22794-2017
English Name
Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses
1 Scope
The scope of IEC 61008-1 and IEC 61009-1 applies with the following additions.
This standard specifies requirements and tests for Type F and Type B RCDs (Residual Current Devices). Requirements and tests given in this standard are in addition to the requirements of Type A residual current devices. This standard can only be used together with IEC 61008-1 and IEC 61009-1.
Type F RCCBs (Residual Current Circuit Breaker) and Type F RCBOs (Residual Current Circuit Breaker with Overcurrent Protection) with rated frequency 50 Hz or 60 Hz are intended for installations when frequency inverters are supplied between phase and neutral or phase and earthed middle conductor and are able to provide protection in case of alternating residual sinusoidal at the rated frequency, pulsating direct residual currents and composite residual currents that may occur.
Type B RCCBs and Type B RCBOs are able to provide protection in case of alternating residual sinusoidal currents up to 1000 Hz, pulsating direct residual currents, composite residual currents and smooth direct residual currents.
RCDs according to this standard are not intended to be used in d.c. supply systems.
Further requirements and tests for products to be used in situations where the residual current was not intended to be covered in IEC 61008-1 or IEC 61009-1 are under consideration.
For the purpose of manufacturer’s declaration or verification of conformity, type tests should be carried out in test sequences in compliance with Annex A, Annex B, Annex C or Annex D of this standard.
The complete test sequence for type test of Type F RCCBs and Type F RCBOs is given in Tables A.1 and B.1 respectively. The complete test sequence for type test of Type B RCCBs and Type B RCBOs is given in Tables C.1 or D.1 respectively.
Note 1: Throughout the document, the term RCD refers to RCCBs and RCBOs.
Note 2: Requirements for 1 pole with solid neutral are under consideration.
Note 3: Even if the surge voltage will cause flashover and subsequent current, and the inrush residual current with the maximum duration of 10 ms will be generated when the electronic equipment or EMC filter is turned on, the F-type and B-type RCDs still have high resistance to unwanted tripping.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
Contents of GB/T 22794-2017
Foreword I
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Characteristics
6 Marking and other product information
7 Standard conditions for operation in service and for installation
8 Conditions for construction and operation
9 Tests
Annex A (Normative) Number of samples to be submitted and test sequences to be applied for verification of conformity for type F RCCB
Annex B (Normative) Number of samples to be submitted and test sequences to be applied for verification of conformity for Type F RCBO
Annex C (Normative) Number of samples to be submitted and test sequences to be applied for verification of conformity for Type B RCCB
Annex D (Normative) Number of samples to be submitted and test sequences to be applied for verification of conformity for Type B RCBO
Annex E (Normative) Routine tests for Type F and Type B RCD
Bibliography
