CLG1 CL1 Brake plate Brake shoe 2 MLGC CNG MNB Air tube CNA2 (Brake operating state) (Brake released state) CNS Brake Capacity CLS Holding Force (Maximum static load) Allowable Kinetic Energy CLQ 25 32 40 25 32 40 Bore size (mm) Bore size (mm) RLQ Holding force 320N 500N 800N Allowable kinetic energy (J) 1.21 0.43 0.68 1.