12.H6.ACB-21B0
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The 12.H6.ACB-21B0 by KEB is part of the H6 Combivert Multi-Axis Drives series and features a frame size of H6. This 3-pole ACB has a breaking capacity of 50kA and a current rating of 1250A. It complies with IEC 60947-2 standards, weighs 38 kg, and offers protection against overcurrent, short-circuit, and earth faults.
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Product Description:
The KEB 12.H6.ACB-21B0 is a high-performance multi-axis drive module of the H6 Combivert family. This versatile drive is suitable for a wide range of industrial applications requiring precise control of single or dual axis systems. It delivers power and configuration flexibility while remaining efficient.
The KEB 12.H6.ACB-21B0 offers a wide variety of output power options. Depending on the module arrangement the rated apparent output power ranges from 1.8 kVA to 145 kVA. The rated active power ranges from 0.75 kW to 110 kW. The module runs with a rated input voltage of 400 V and a rated input current ranging from 2.6 to 210 A. Operating in severe settings is achievable thanks to a robust operating temperature of up to 80 degrees C and cooling is handled by an air-cooled housing with a flat rear. The module's width ranges from 50 mm to 300 mm depending on the type. The drive module additionally includes a brake output of 24V DC/3.3A for single-axis and 2x 2A for dual-axis systems. Its mechanical design is IP20-rated and meets international requirements such as EN 61800-2 and -5-1. For optimal flexibility the module accepts a wide variety of input currents, up to 315 A. The module includes overcurrent protection with a range of 6.2 A to 378 A. The switching frequency changes from 4 to 8 kHz with derating.
The 12.H6.ACB-21B0 supports a variety of communication protocols including the EtherCAT system bus for real-time control. It features an integrated 2-channel multi-encoder interface that supports a variety of encoder types including incremental, resolver, Sin/Cos, EnDat, Hiperface, and BiSS. The operational temperature ranges from -10 degrees C to 45 degrees C while storage temperatures range from -25 degrees C to 70 degrees C. This product has international certification including UL/UR approval.
Frequently Asked Questions about 12.H6.ACB-21B0:
Q: How does the integrated brake output enhance performance in the 12.H6.ACB-21B0?
A: The integrated brake output provides efficient braking control, improving system safety and stability. It supports single-axis and double-axis configurations for flexible braking applications.
Q: Why is the switching frequency important in the KEB 12.H6.ACB-21B0?
A: The switching frequency of 4-8 kHz helps maintain smooth motor operation and reduces electrical noise. It improves system efficiency and overall performance in industrial environments.
Q: What role does the overcurrent tripping function play in the 12.H6.ACB-21B0?
A: The overcurrent tripping function ensures protection from electrical faults by automatically shutting down the system when current exceeds safe limits. This enhances system reliability and prevents damage to components.
Q: How does the KEB 12.H6.ACB-21B0 handle high operating temperatures?
A: The product can operate at temperatures up to 80 degrees C, ensuring stable performance even in high-heat environments. Its robust cooling mechanism is crucial for maintaining performance under demanding conditions.
Q: Can the KEB 12.H6.ACB-21B0 be used in outdoor applications?
A: With an IP20 protection class, the 12.H6.ACB-21B0 is suitable for indoor use in controlled environments. For outdoor use, additional protective measures may be required to prevent exposure to harsh elements.
