12.56.25A-3389

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The Frequency Converter 12.56.25A-3389 ensures precise control with 5.5 kVA continuous capacity. Designed by KEB, it features a 4-pole AC motor compatibility with 380/415 V input voltage for reliable performance.

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Product Description:

The KEB 12.56.25A-3389 frequency converter is a high-performance option for industrial automation that requires accurate and dependable performance. The converter is both well-designed and long-lasting, and the converter was made to meet strict operating standards. This KEB frequency converter is suitable for applications that necessitate effective power control due to its compatibility with AC motors. The converter is capable of functioning without any complications due to its extensive input and output features.

The 12.56.25A-3389 frequency converter may operate at two separate frequencies, 50 Hz and 60 Hz, and with an input power of 380/415 volts. The converter is designed to power a 4-pole AC motor with a capacity of up to 4.0 kW and a constant voltage of 5.5 kV. It can handle a range of workloads thanks to its average power output of 5500 W at a 40% duty cycle and 3700 W at a 25% duty cycle. The converter has a 56 Ω resistor built in to keep it stable and handle high currents well. The resistor can handle up to 10.3 kW of power that makes it better at managing heat.

The AC motor and 12.56.25A-3389 frequency converter work together to make sure they both work at the same time. That means the converter is perfect for high-power uses where accuracy and dependability are very important. One of the major advantages is that the 380/415 V voltage matching ensures that the output is always consistent, that reduces the possibility of operational disruptions. This product can be shipped anywhere in the world and comes with a one-year replacement guarantee to make sure it works well to fulfill your industrial requirements.

AC Motor Power
4.0 kW Max
AC Motor Type
4 Pole (4P), 50/60 Hz
Capacity
5.5 kVA Continuous
Climatic Category
3K3
Current
9.0 A Max
Frequency (Cycles)
50 / 60 Hz
Nominal Power (25% Duty Cycle)
3700 W
Nominal Power (40% Duty Cycle)
5500 W
Operating temperature [°C]
-10...45°C / 14...113°F
Resistor Power Rating (P_R)
10.3 kW
Resistor Value (R_B)
56 Ω
Storage temperature [°C]
-25...70°C / -13...158°F
Voltage
380 / 415 V

Frequently Asked Questions about 12.56.25A-3389:

Q: Why does the Frequency Converter 12.56.25A-3389 support dual frequencies?

A: It supports 50/60 Hz to ensure compatibility with various AC motor setups. This makes it suitable for global industrial applications.

Q: How does a 56 Ω resistor improve operational stability?

A: The 56 Ω resistor stabilizes current flow during high loads. This prevents overheating and ensures consistent, efficient performance.

Q: Why is the resistor power rating 10.3 kW important?

A: The 10.3 kW rating provides effective thermal management. It ensures reliable operation under peak load conditions without performance degradation.

Q: Does the Frequency Converter 12.56.25A-3389 support continuous operation?

A: Yes, it delivers 5.5 kVA continuous capacity. This ensures consistent performance for prolonged durations in demanding industrial setups.

Q: How does the 4-pole motor compatibility enhance performance?

A: The 4-pole design supports higher torque and stability. It provides precise control for applications requiring robust power management.


Internal Product Review

  • ‘‘The Frequency Converter 12.56.25A-3389 by KEB is an excellent choice for industrial applications. It offers 5.5 kVA continuous capacity and 4.0 kW motor compatibility. With a 10.3 kW resistor rating and dual-frequency support, it ensures reliable thermal management and seamless motor synchronization.’’

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