RUKO KEB-HSS-Mod.30 Spring-Applied Brake, 23 mm Bore, 300 Nm

Industrial machinery relies on immediate, dependable stopping power. The RUKO KEB-HSS-Mod.30 is a spring-applied, electromagnetically released brake engineered for holding and safety functions on drive shafts. With a bore diameter of 23 mm and a static friction torque of 300 Nm, it suits conveyors, hoists, and machine tools where a shaft must be held securely or brought to a rapid stop.

Key specifications

• Operating principle: spring-applied, electromagnetically released
• Static friction torque: 300 Nm
• Nominal voltage: 205 V DC
• Nominal current: 0.25 A
• Nominal power: 51 W
• Bore diameter: 23 mm
• Outer diameter: 200 mm
• Axial length: 105 mm
• Protection class: IP54
• Thermal class: F (155°C)
• Insulation class: F
• Operating temperature range: -20°C to +40°C
• Mounting type: flange mounting
• Release time: < 100 ms
• Engagement time: < 50 ms
• Air gap: adjustable, 0.2 - 0.4 mm

Why choose it

The brake releases electrically and engages by spring force when voltage is removed, providing fail-safe operation. Its flange mounting simplifies integration into existing drive systems, and the adjustable air gap allows for precise setting during installation and maintenance.

Ideal use cases

• Holding brake for vertical axes and lifting equipment
• Safety brake for emergency stops on rotating machinery
• Positioning brake for indexing tables and robotic arms

Good to know

The brake is rated for continuous duty under the specified voltage and temperature range. The IP54 enclosure protects against dust and splashing water, making it suitable for many industrial environments.