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In this competitive scenario, it isn't easy to survive in the market without a standard quality and certified product. BIS license may also be required to sell products in the Indian market.

To get BIS certification and produce a standard quality product, the manufacturer must ensure that their product must follow the specified Indian standard.

Let's take a closer look at IS 12640(Part 1):2016 for residual current operated circuit-breakers for household and similar uses.

This Standard applies to residual current operated circuit-breakers for household and similar uses that are functionally independent of, or functionally dependent on, line voltage and do not incorporate over current protection (RCCBS), for rated voltages not exceeding 440 V a.c. and rated currents not exceeding 125 A, and are intended primarily for protection against shock hazard.

RCCBs are the safest device for detecting and tripping against electrical leakage currents, protecting against electric shock caused by indirect contacts. These devices are designed to protect people from indirect contact by connecting the exposed conductive parts of the installation to an appropriate earth electrode. They can be used to protect against fire hazards caused by a persistent earth fault current without requiring the overcurrent protective device to be activated.

RCCBS, with a rated residual operating current of less than 30 mA, is also used as an additional safeguard if the protective means against electric shock fail. Construction and operation requirements shall be specified in the standard.

The circuit breaker must meet the specifications of the standard. Various tests shall be carried out to ensure that the product meets the requirements of the standard. RCCBS must have adequate dielectric properties and isolation. The RCCB shall not sustain damage that impairs its functions or its safe use. The RCCBS operating characteristics must meet the requirements of the standard. RCCBS must be able to perform a sufficient number of mechanical and electrical operations. Type tests are used to evaluate the properties of RCCBS.

The tests specified in the standard are used to ensure that all compliance is met. RCBO shall not sustain damage that impairs its functions or its safe use. The operating characteristics of RCBOS under residual current or overcurrent conditions must meet standard requirements.