BS EN 4839-003:2018 Aerospace series. Arc Fault Circuit breakers, three-pole, temperature compensated, rated currents 3 A to 25 A, 115/200 V a.c. 400 Hz constant frequency Without auxiliary contacts. Product standard

Auxiliary
Aircraft components
Current (electric)
Temperature
Circuit-breakers
Faults
Arcs (electric)

Link: BS EN 4839-003:2018 Aerospace series. Arc Fault Circuit breakers, three-pole, temperature compensated, rated currents 3 A to 25 A, 115/200 V a.c. 400 Hz constant frequency Without auxiliary contacts. Product standard
Source: BSI Standards

BS ISO 7867-1:2018 Metric series for agricultural, forestry machines and construction tyres Tyre designation, dimensions and marking, and tyre/rim coordination

Agricultural tractors
Vehicle components
Marking
Wheel rims
Agricultural equipment
Designations
Width
Dimensions
Loading
CGS system (metric)
Diameter
Size coding
Size
Tyres
Velocity
Wheels

Link: BS ISO 7867-1:2018 Metric series for agricultural, forestry machines and construction tyres Tyre designation, dimensions and marking, and tyre/rim coordination
Source: BSI Standards