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15.F5.C1E-L50A KEB

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Internal Product Review

The 15.F5.C1E-L50A is a KEB F5 Combivert axis drive with air-cooled construction and IP20 protection. Rated for 15 HP with 24 A EU current capacity, the unit appears well suited for steady industrial motion control. A 2 ms I/O scan time is a strong advantage for responsive drive performance.

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Product Description:

The 15.F5.C1E-L50A is an axis inverter manufactured by KEB for the F5 Combivert Axis Drives series. It converts three-phase mains power into a variable-frequency output that regulates motor speed and torque in automated machinery such as conveyors, winders, and positioning tables. By combining power electronics, local I/O, and a dedicated braking stage, the unit provides a compact drive solution for installations that require precise motion control and regenerative energy handling.

The inverter delivers a nominal output of 24 A under European approvals, while the UL file limits continuous current to 21 A. Its power stage is sized for motors up to 15 HP, a rating that also applies to the 230 V Unit B classification. Pulse-width modulation runs at a rated carrier frequency of 4 kHz, with an upper adjustment limit of 16 kHz for low-noise operation. The enclosure meets IP20 ingress protection requirements, and forced airflow through the heat sink maintains the operating temperature. Overcurrent tripping engages at 43 A. The air-cooled design houses the internal braking transistor that interfaces with the GTR7 chopper.

Control integration is handled through 29 screw terminals that provide access to discrete and analog channels. The CPU completes a full field update every 2 ms, allowing tight velocity loops. Plant controllers can toggle 8 digital inputs for start, stop, and mode commands, while two analog inputs scale speed references. The drive uses 2 analog outputs to return feedback to supervisory PLCs. Two relay contacts and two transistor outputs signal operating status or faults. Dynamic braking energy is routed through the GTR7 chopper, which is mounted behind the panel and works with the internal braking transistor. This arrangement matches the inverter size code 15 and housing form E.

Analog Inputs
2
Analog Outputs
2
Braking Chopper
GTR7
Control Terminals
29
Cooling Type
Air-Cooled
Digital Inputs
8
General Max Motor Power (HP)
15
Housing Form Factor Code
E
I/o Scan Time
2 ms
Installed Accessories
Braking transistor
Inverter Size Code
15
Max Motor Power (HP) - 230V - Unit B
15
Max Switching Freq
16 kHz
Oc Tripping Current
43 A
Product Series
Combivert F5
Protection Rating
IP20
Rated Current (eu)
24 A
Rated Current (ul)
21 A
Rated Switching Freq
4 kHz
Relay Outputs
2
Transistor Outputs
2

Frequently Asked Questions about 15.F5.C1E-L50A:

Q: How many analog inputs are available on the 15.F5.C1E-L50A drive?

A: The KEB 15.F5.C1E-L50A Combivert F5 drive is equipped with 2 analog inputs for process signal integration.

Q: What protection rating does the KEB 15.F5.C1E-L50A offer?

A: This drive features a protection rating of IP20, providing basic protection against solid objects.

Q: What is the maximum switching frequency supported by the 15.F5.C1E-L50A?

A: The maximum switching frequency on the 15.F5.C1E-L50A is 16 kHz for optimal signal processing.

Q: What is the maximum supported motor power at 230V for the 15.F5.C1E-L50A?

A: The 15.F5.C1E-L50A air-cooled drive supports motors with up to 15 HP at 230V in unit B.

Q: What braking options are included with the 15.F5.C1E-L50A drive?

A: This model comes with a GTR7 braking chopper and includes a braking transistor for energy dissipation.

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