131B5837
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MPN: FC-102P15KT4E21H1XGXXXXSXXXXAXBXCXXXXDX
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The Danfoss 131B5837 drive is part of the VLT FC 102 HVAC Drives series and features a rated power of 15 kW. The unit operates on a mains voltage range of 380–480 VAC with three input and output phases. Its enclosure is rated IP21, and it includes a graphical LCP control panel.
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Product Description:
The 131B5837 Frequency Converter is a robust three phase drive built for motor control in demanding environments. It delivers a rated output power of 15 kW and is suitable for standard industrial power systems. Its compact design has a vertical height of 494.0 mm that enables easy installation in control panels.
The 131B5837 frequency converter by Danfoss handles continuous current up to 32 A and intermittent current peaks of 35.2 A. The power loss during normal operation is measured at 392 W that ensures manageable thermal dissipation. The device includes automated energy optimization (AEO) which continuously adjusts output voltage based on motor load. This reduces magnetization losses, increases efficiency and minimizes motor heating and noise. It’s particularly effective for induction motors and applications with varying load patterns or high starting torque such as pumps and conveyors. The overvoltage control (OVC) function is also available in this converter to manage DC link overvoltage by extending ramp-down time. This prevents tripping especially during rapid deceleration or regenerative events. The OVC is compatible with permanent magnet motors. The converter includes standard cable entries and lacks a mains option. The PCB of the converter is not conformally coated which suggests installation in clean, controlled environments to prevent contamination. The model operates with a mains voltage range of 380 – 480 VAC.
The 131B5837 frequency converter features two analog inputs located at terminals 53 and 54. These inputs are configurable for voltage or current modes using switches S201 and S202. In voltage mode, the input level ranges from -10 V to +10 V with ± 20 V maximum voltage and approximately 10 kΩ input resistance. In current mode, the range is 0 mA to 20 mA with a 30 mA max and 200 Ω input resistance.
Frequently Asked Questions about 131B5837:
Q: What thermal behavior should users expect during sustained operation at rated conditions?
A: The Danfoss 131B5837 dissipates manageable power loss through its chassis design. This supports stable operation while maintaining cooling efficiency inside compact control enclosures.
Q: How does the Danfoss 131B5837 frequency converter optimize motor efficiency under fluctuating load conditions?
A: It uses Automated Energy Optimization (AEO) to adjust output voltage dynamically based on motor demand. This reduces magnetization losses and keeps thermal stress and noise levels lower in partial-load scenarios.
Q: What overvoltage protection strategy does the 131B5837 converter implement during regenerative braking or fast deceleration?
A: It activates Overvoltage Control (OVC) by extending ramp-down time to limit DC link voltage spikes. This avoids nuisance trips and supports compatibility with permanent magnet motor systems.
Q: What integration considerations should be made regarding analog input configuration on the Danfoss 131B5837?
A: The terminals 53 and 54 support both voltage and current modes via switch selection. This allows seamless adaptation to external analog controllers across various industrial systems.
Q: How does the enclosure design of the 131B5837 frequency converter affect its environmental suitability?
A: The PCB is not conformally coated, requiring installation in clean, controlled areas. This helps prevent contamination and supports long-term reliability in dry industrial panels.
