131B4980
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MPN: FC-102P18KT4E55H2XGXXXXSXXXXAXBXCXXXXDX
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The 131B4980 VLT FC 102 drive delivers a power output of 18.5 kW, operates at input voltages up to 440 V, and features an IP55 enclosure rating. Part of the VLT FC 102 HVAC Drives series by Danfoss, it includes an A1/B RFI filter class and dimensions of 480 mm in height, 242 mm in width, and 260 mm in depth.
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Product Description:
The 131B4980 is a 102 HVAC series drive from Danfoss with the product code FC-102P18KT4E55H2XGXXXXSXXXXAXBXCXXXXDX . It is built in an IP55 Type 12 enclosure for dust and water protection. This drive possesses B1 frame size with compact dimensions of 49.4 cm height, 24.3 cm width, 26.1 cm depth and weighs 20.390 kg.
The 131B4980 drive manages thermal conditions through its provided back-channel system that directs most heat outside the panel. It operates on a three-phase power supply within a voltage range of 380 - 480 VAC at 50 or 60 Hz frequency, with a displacement power factor value of more than 0.98. The drive’s nominal motor power is rated as 18.5 kW/25 HP, with an output voltage range of up to 100% of supply voltage. Its offers up to 590 Hz of output frequency range and its ramp times can be varied up to a limit of 3600 seconds. The 131B4980 drive features a continuous load current rating of 37.5 A, with periodic overload up to 41.3 A and it control flexibility is enabled with six programmable digital inputs, along with two programmable outputs. It also provides two pulse inputs and two analog inputs that supports 0 to 10 V or 0 to 20 mA signals. One programmable analog output of 0 to 20 mA is available for feedback and it includes two relay outputs with a maximum rating of 240 V AC at 2 A.
The 131B4980 drive comes with electronic motor thermal protection, short circuit protection on motor terminals, ground fault protection and phase loss protection. It supports safe torque according to SIL2/PL d standards and in fire emergency mode it ensures fan operation in smoke extraction. The unit’s fieldbus options include BACnet, Modbus, LonWorks and PROFINET for integration with building management systems.
Frequently Asked Questions about 131B4980:
Q: Why is the displacement power factor of more than 0.98 important in FC-102P18KT4E55H2XGXXXXSXXXXAXBXCXXXXDX?
A: It ensures minimal reactive power consumption. This leads to optimized energy usage and reduced operational costs in large-scale HVAC systems.
Q: How do the six programmable digital inputs in the 131B4980 drive enhance flexibility?
A: They allow the integration of multiple control signals. This enables custom configuration for different ventilation or fan system requirements.
Q: What is the significance of the relay outputs in the Danfoss 131B4980?
A: The two relay outputs enable external device control. They are particularly useful for triggering alarms or switching auxiliary equipment.
Q: Why does the 131B4980 drive offer both current loop (0–20 mA) and voltage (0–10 V) analog inputs?
A: It provides compatibility with a wide range of sensors and controllers. This ensures flexible integration into diverse building management systems.
Q: Why is a maximum ramp time of 3600 seconds provided in the 131B4980 drive?
A: It allows very smooth acceleration or deceleration of large fans. This reduces mechanical stress and extends equipment lifespan.
