The zero-backlash spring-engaged (ZSE) pneumatically released brake family offers high torque, high speed and zero backlash up to 100% of rated holding torque. The line comes in four sizes (450, 600, 800 and 1,000). Three standard bore sizes are available and can be customized. The ZSE also can be configured with a smart feature. ZSES brakes are available with internal sensors, making them suitable for Industry 4.0 compatibility. These sensors provide feedback and data to maximize machine safety and efficiency. Features include speeds up to 5,000 rpm, holding torque up to 300 Nm, low inertia and cool operation.