131B4636
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MPN: FC-302P4K0T5P55H1XGXXXXSXXXXAXBXCXXXXDX
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The 131B4636 drive boasts a power rating of 4.0 kW, a horsepower rating of 5.0 HP, an input voltage range of 380-500 VAC, and IP55/Type 12 backplate protection. Part of the VLT FC 302 Automation Drives by Danfoss, it features a graphical local control panel and supports three-phase operation with a compact A5 frame size.
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Product Description:
The Danfoss 131B4636 Frequency Converter provides high flexibility in operation and precise control across varied applications. The converter ensures optimized energy use with accurate regulation of voltage, frequency and speed. It maintains strong reliability under demanding industrial operating conditions.
The 131B4636 frequency converter achieves a true power factor of at least 0.9 at rated load that ensures efficient electrical performance. Its output voltage ranges from 0 to 100 percent of supply voltage. The output frequency of this frequency converter is adjustable from 0 to 590 hertz that enables a wide operating range. The starting torque of the model is available up to 150 percent for 60 seconds with the same margin for overload torque once every ten minutes both referenced to nominal current. The ambient temperature capability of this converter depends on operating mode. The maximum is 55 degrees Celsius with derating. It supports 50 degrees Celsius with typical EFF2 motors at 90 percent current. At full continuous FC output current, it operates up to 45 degrees Celsius. The converter ensures precise regulation with a resolution of ± 0.003 hertz across 0 – 1000 hertz frequency output. The system response time at designated control terminals is less than or equal to 2 milliseconds. The speed control in open loop covers 1:100 of synchronous speed with accuracy between 30 and 4000 RPM and maximum deviation of ±8 RPM.
A + 10 volt DC control card output is available in the 131B4636 frequency converter at terminal 50 with 10.5 volts ± 0.5 volts and maximum load capacity of 25 milliamperes. All specified control characteristics are based on a 4 pole asynchronous motor that ensures stable and predictable performance in standard applications.
Frequently Asked Questions about 131B4636:
Q: How does the 131B4636 frequency converter maintain motor speed precision in open-loop control applications?
A: It achieves a control ratio of 1:100 with deviation no more than ±8 RPM across the 30–4000 RPM range. This allows stable speed control without requiring encoder feedback.
Q: What performance behavior should be expected from the 131B4636 frequency converter when operating near ambient temperature limits?
A: It supports full continuous output up to 45 °C and requires derating above that point. With EFF2 motors, it sustains 90 % current at 50 °C under standard conditions.
Q: How does the 131B4636 frequency converter handle high starting torque demands in intermittent load cycles?
A: It provides up to 150 % starting torque for 60 seconds, ideal for high-inertia loads. The same margin applies to overload torque available once every 10 minutes.
Q: What makes the 131B4636 frequency converter suitable for high-precision variable frequency applications?
A: It offers a frequency output resolution of ±0.003 Hz and a fast system response of ≤2 ms. This ensures tight regulation and quick adaptation to process changes.
Q: How does the control card output on the 131B4636 frequency converter support external signal interfaces?
A: Terminal 50 delivers a stable +10 V DC signal with a 25 mA load capacity. This supports reference signal generation for analog input scaling in automation systems.
