134F2981
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MPN: FC-360H15KT4E20H2BXCDXXSXXXXAXBX
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The 134F2981 is a 15 kW automation drive with a 3-phase input and IP20 enclosure type. Manufactured by Danfoss, it is part of the VLT FC 360 Automation Drives series and operates on an input voltage of 380-480 VAC with a frequency range of 50/60 Hz. The unit features conformal coated PCBs and a Class A2 (C3) RFI filter.
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Product Description:
The 134F2981 Frequency Converter delivers a rated power output of 15 kW or 20 hp. The unit operates under high overload conditions that ensures reliable performance. It offers consistent and efficient operation with a three phase supply of 380 – 480 VAC.
This Danfoss 134F2981 frequency converter is built with a J4 enclosure size and supports high overload performance up to 150 % current for 60 seconds. The continuous output current for the converter is 31 A at 380 – 440 V, and 27 A at 441 – 480 V. During overload conditions, intermittent output reaches 46.5 A for 60 seconds. The drive integrates an RFI filter rated Class A2 that ensures reduced electromagnetic interference. Its IP20 enclosure type ensures chassis protection and safe installation. The unit features a brake chopper to enable dynamic braking capability under heavy load or sudden stop conditions. These specifications make the converter suitable for motor driven systems requiring high starting torque and overload handling. The model’s continuous apparent power output is 21.48 kVA at 400 V and 22.4 kVA at 480 V. The maximum input current of the converter is 29.9 A at 380 – 440 V and 24.7 A at 441 – 480 V while intermittent input reaches 44.9 A for 60 seconds.
This 134F2981 frequency converter’s thermal management includes temperature monitoring of the heat sink which ensures the unit trips if a predefined temperature level is reached. This protection prevents overheating and maintains system integrity. It is safeguarded against short circuits on motor terminals U, V and W. In case of missing mains phase, the converter either trips or issues a warning depending on configuration. This makes it a dependable choice for motors requiring controlled speed, torque and efficient protection mechanisms.
Frequently Asked Questions about 134F2981:
Q: How does the 134F2981 frequency converter support high-overload motor systems during peak torque demands?
A: It delivers up to 150% current for 60 seconds under overload. This capability enables stable motor acceleration in high-inertia or heavy start-stop load applications.
Q: How does the 134F2981 frequency converter manage braking under sudden deceleration or stop commands?
A: It integrates a built-in brake chopper to dissipate regenerative energy. This ensures smooth and controlled braking during fast deceleration or emergency shutdowns.
Q: How does the 134F2981 frequency converter reduce EMI in electrically sensitive environments?
A: It includes a Class A2 RFI filter to suppress conducted interference. This supports compliance with EMC requirements and reduces disturbances in nearby signal lines.
Q: How does the 134F2981 frequency converter maintain system safety during thermal stress?
A: It monitors heat sink temperature and trips the unit if thresholds are exceeded. This protects internal components and extends converter life during prolonged high-load operation.
Q: How does the 134F2981 frequency converter respond to missing phase faults or wiring issues?
A: It detects missing mains phases and either triggers a fault or provides a configurable warning. This protects the drive and motor from asymmetrical input damage.
