IS 11852 : 2019 Automotive Vehicles - Uniform Provisions Concerning the Approval of Vehicles of Categories M2, M3, N and T with Regard to Braking
Reaffirmed 2024
1. SCOPE
1.1 This standard applies to the braking of powerdriven vehicles individually and to trailers individually of categories M2, M3, N and T as defined in IS 14272.
1.2 This standard does not cover:
a) Vehicles with a maximum design speed not exceeding 25 km/h,
b) Trailers which may not be coupled to powerdriven vehicles with a design speed exceeding 25 km/h, and
c) Vehicles fitted for invalid drivers.
1.3 Subject to the applicable provisions of this standard method of measuring reaction (response) times in brakes other than compressed-air brakes are not covered by this standard.
NOTE - Alternate performance requirements for vehicle categories N1 is given in IS 15986. Vehicle manufacturer may opt for compliance to IS 15986 instead of IS 11852.
2. REFERENCES
The standards listed below contain provisions, which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:
14272 : 2011 Automotive Vehicles - Types - Terminology (first revision)
15633 : 2005 Automotive vehicles - Pneumatic tyres for passenger car vehicles - Diagonal and radial ply - Specification
15636 : 2012 Automotive vehicles - Pneumatic tyres for commercial vehicles - Diagonal and radial ply - Specification
ISO 3583 : 1984 Road vehicles - Pressure test connection for compressed-air pneumatic braking equipment
ISO 7638-1 : 2003 Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 1: Connectors for braking systems and running gear of vehicles with 24 V nominal supply voltage
ISO 7638-2 : 2003 Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 2: Connectors for braking systems and running gear of vehicles with 12 V nominal supply voltage
ISO 9128 : 2006 Road vehicles - Graphical symbols to designate brake fluid types
ISO 11992-1: 2003 Road vehicles - Interchange of digital information on electrical connections between towing and towed vehicles - Part 1: Physical and data-link layers
ISO 11992-2 : 2014 Road vehicles - Interchange of digital information on electrical connections between towing and towed vehicles - Part 2: Application layer for brakes and running gear
AIS 004 (Part 3) : 2009 Automotive Vehicles - Requirements for Electromagnetic Compatibility
AIS 110 : 2009 Automotive Vehicles - Temporary - Use Spare Wheel/Tyres and Run Flat Tyre