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05.03.200-0507 KEB

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The KEB 05.03.200-0507 is a spring brake from the Combistop Spring Brakes series, offering a rated torque of 3 Nm and a rated power of 10 Watts. It operates at 24 V DC with a protection rating of IP40 and has a 100 percent duty cycle. The brake features a 65 mm diameter, a nominal air gap of 0.2 mm, and supports a maximum hub bore of 15 mm.

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Product Description:

The 05.03.200-0507 spring-applied brake is manufactured by KEB and belongs to the Combistop Spring Brakes series. Designed for industrial automation, the unit provides a fail-safe holding function for servomotors and gearmotors when power is removed, keeping vertical or rotary axes stationary during emergency stops or routine shutdowns. In normal operation, electrical power releases the brake, and spring force reapplies it automatically when voltage is lost. This operating principle makes it suitable for axis-retention duties where predictable stopping behavior is required.

The brake operates on a supply of 24 V DC; with this excitation it consumes only 10 W of power, limiting heat rise inside compact drive assemblies. When engaged, the armature transmits a holding torque of 3 Nm, suited for light-to-medium duty axes. A body diameter of 65 mm allows direct mounting in motor end shields, while a nominal air gap of 0.2 mm is preset to support consistent response time. Magnetic behavior is influenced by the coil inductance of 0.7 H, which affects current rise during release. The device accepts a hub bore up to 15 mm and a rotor bore up to 17 mm, giving flexibility across shaft sizes without additional machining.

The electrical circuit draws 0.42 A at 20 °C and drops to 0.32 A once the winding reaches 100 °C; this change corresponds to resistance values moving from 57.60 Ω to 75.93 Ω across the same temperature range. Continuous energizing is permissible because the brake is rated for a 100% duty cycle, so it can remain released for indefinite periods during high-cycle applications. Environmental sealing meets the IP40 protection rating, which is suitable for enclosed machinery kept free from conductive dust. The component is classified in overvoltage category III, indicating that it can tolerate switching surges present on fixed industrial wiring. This combination of electrical and thermal behavior supports steady operation in systems that cycle frequently or remain energized for extended periods.

Current At +100°c
0.32 A
Current At +20°c
0.42 A
Diameter
65 mm
Duty Cycle
100%
Inductance
0.7 H
Max Hub Bore
15 mm
Max Rotor Bore
17 mm
Nominal Air Gap
0.2 mm
Overvoltage Category
III
Protection Rating
IP40
Rated Power
10 W
Rated Torque
3 Nm
Rated Voltage
24 V DC
Resistance At +100°c
75.93 Ω
Resistance At +20°c
57.60 Ω

Frequently Asked Questions about 05.03.200-0507:

Q: What is the rated voltage for the KEB 05.03.200-0507 spring brake?

A: This spring brake operates at a rated voltage of 24 V DC.

Q: How much rated torque does the 05.03.200-0507 spring brake deliver?

A: The 05.03.200-0507 spring brake from KEB provides a rated torque of 3 Nm.

Q: What is the overall diameter of the KEB 05.03.200-0507 spring brake?

A: This brake features a diameter of 65 mm, making it suitable for compact installations.

Q: What is the protection rating of the 05.03.200-0507 spring brake?

A: The protection rating for this spring brake is IP40.

Q: What duty cycle is supported by the KEB 05.03.200-0507 model?

A: The brake is designed for continuous operation with a 100% duty cycle.


Internal Product Review

  • ‘‘The 05.03.200-0507 is a KEB Combistop spring brake that delivers dependable stopping performance with 3 Nm rated torque and 24 V DC rated voltage. IP40 protection and a 100% duty cycle make this unit especially well suited for consistent industrial service. An excellent brake option for applications that demand steady operation and reliable holding force.’’

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