Residual Current Operated Circuit- Breakers Without Integral Overcurrent Protection for Household and Similar Uses (RCCBs) Part 1 General Rules (Second Revision)
IS code: IS 12640 (Part 1):2016/IEC 61008-1:2012
Description
IS 12640 (Part 1):2016/IEC 61008-1:2012 is an Indian Standard that corresponds to the international standard IEC 61008-1:2012. It specifies the requirements and specifications for residual current operated circuit-breakers (RCCBs) without integral overcurrent protection for household and similar uses. RCCBs are essential safety devices that help protect against electrical shocks and fires caused by ground faults and leakage currents. The standard outlines general rules for these devices.
Some of the key aspects covered by IS 12640 (Part 1):2016/IEC 61008-1:2012 include:
1. Scope:
The standard defines the scope of its application, which is to provide requirements for RCCBs without integral overcurrent protection used in household and similar applications.
2. Classification:
It may classify RCCBs based on their characteristics, rated current, and sensitivity, helping to identify different types and applications.
3. Materials and Construction:
The standard specifies the materials used in the construction of RCCBs and outlines the design requirements. It may cover aspects such as the construction of the enclosure, connections, and internal components.
4. Performance Requirements:
Specifications for the performance of RCCBs, including their rated residual current, sensitivity to leakage currents, and tripping characteristics.
5. Testing and Inspection:
The standard may specify procedures for testing and inspecting RCCBs to ensure they meet the specified requirements. This can include tests for tripping characteristics, fault protection, and quality control measures during the manufacturing process.
Test Required for IS 12640 (Part 1):2016/IEC 61008-1:2012
Tripping Test
Electric Strength Test
Performance of the test device
Indelibility of Marking
Clearance & Creepage distance
Trip free mechanism
Reliability of screws, current carrying parts and connections
Reliability of terminals for external conductors
Protection against electric shock
Verification of resistance of the insulation of open contacts and basic insulation against an impulse voltage in normal conditions
Verification of the behavior of components bridging the basic insulation
Capability of control circuits connected to the main circuits
Residual Operating Characteristics
Behavior in case of failure of line voltage
Conclusions:
If a product falls within the purview of the BIS Conformity Assessment Scheme, it is mandatory for manufacturers, importers, and foreign entities to acquire BIS ISI Certification. The Bureau reserves the right to revoke the license in cases where the product does not meet the certification prerequisites.
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