131B3449
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MPN: FC-102P18KT4E55H1XGXXXXSXXXXAXBXCXXXXDX
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The 131B3449 is a 25 HP HVAC drive with an input voltage range of 380-480 VAC and a power rating of 18.5 kW. Manufactured by Danfoss, it is part of the VLT FC 102 HVAC Drives series and features an enclosure rating of IP55 / Type 1. This drive has a net weight of 21.33 kg and measures 350 mm by 165 mm by 248 mm.
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Product Description:
The Danfoss 131B3449 Drive is designed for advanced HVAC control. It delivers precise and reliable motor operation. It works in a variety of industrial and commercial settings.
The 31B3449 Drive>> has a rated power of 18.5 kW. Its three-phase input voltage ranges from 380 to 480 V AC. The output current is 37 A, with an output voltage of up to 480 V. The output frequency can be adjusted between 0 and 590 Hz. This model utilizes VVC plus and flux vector control. The switching frequency is set to 4 kHz by default and can be modified as needed. The enclosure is IP55 certified to defend against dust and water jets. The drive is designed to be air-cooled via forced convection. The conventional local control panel (LCP) is available for user access and programming. The dimensions are roughly 660 by 242 by 310 millimeters. The drive weighs around 34 kg, making it easy to handle and install. Operating temperatures range from -10°C to +45°C. It can endure humidity levels of up to 95% without condensation. Overload protection handles 110 percent for sixty seconds every ten minutes. It also features built-in thermal, short-circuit, and ground fault protections. Phase loss detection is provided for added equipment safety. This drive carries certifications for CE, UL, cUL, EAC and RoHS compliance. It supports both induction and permanent magnet motors for more compatibility.
The Danfoss VLT FC 102 HVAC Drive can be used at altitudes up to 1000 meters with no derating necessary. Built-in EMC and RFI filters help to assure compliance and reduce electrical noise. Safe Torque Off (STO) is built into safety-critical applications. The package includes two form C relay outputs as well as many analog or digital I/O interfaces. RS-485 connection via Modbus RTU is standard. The drive has wall or panel mounting options. Side-by-side mounting is permitted for compact setups. Danfoss provides superior protection, versatility and performance with the VLT FC 102 HVAC Drive.
Frequently Asked Questions about 131B3449:
Q: How does Safe Torque Off (STO) improve safety in 131B3449 Drive?
A: STO instantly disconnects power to the motor, preventing unintended operation. This safety function reduces risks during maintenance or emergency stops.
Q: How does phase loss detection support equipment protection?
A: It detects missing input phases and reacts quickly to prevent motor damage. This ensures safe operation in unstable power supply environments.
Q: Is the enclosure material in 131B3449 Drive suitable for corrosive areas?
A: The IP55-rated enclosure shields internal parts from dust and water jets. For corrosive atmospheres, additional protective measures may be required.
Q: What does 110% overload protection mean for 131B3449 Drive users?
A: The drive can handle brief current spikes without tripping. This protects motors during demanding start-ups or fluctuating load conditions.
Q: What control methods does the drive use for motor performance?
A: It features VVC Plus (Voltage Vector Control) and Flux Vector Control for precise speed, torque, and efficiency management—ideal for dynamic HVAC applications.
