131B3231

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The 131B3231 is a robust drive with an 11 kW (15 hp) power rating and IP20 chassis protection. Manufactured by Danfoss, it is part of the VLT FC 302 Automation Drives series, operating on 3 x 380-500 V AC input voltage. This drive features 24 A continuous output current, 0.98 efficiency, and a power loss of 291 W.

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Product Description:

The 131B3231 frequency converter from Danfoss features 15 kW (20 HP) or 11 kW (15 HP) of output power that makes it work perfectly, and the converter can handle a wide voltage range of 3 x 380 V to 500 V. The frequency converter can work with either a 50 Hz or 60 Hz system because it was made to meet a lot of different needs.

A nominal input current of 22 A or 18 A at 50 Hz or 29 A at 60 Hz can be supplied by the 131B3231 frequency converter. In single-phase mode, the output current is 32 A, and in three-phase mode, the converter is 21 A and 24 A, respectively. The frequency range is zero to 600 hertz. This converter provides Type 1 ingress protection and has an IP21 rating. The converter is suitable for use at temperatures up to 50°C (132°F). The H1 RFI filter is designated as Class A1/B (C1). The converter comes with no local control panel and no brake chopper. There is no mains option, and the PCB is uncoated. The software bundle includes the most recent version. There is no B option available for the integrated PROFIBUS DP MCA 101.

The package includes a 24 V DC backup but not a C1 option. The converter comes with a B1 frame size to make installation easier. The MCB-107 24 V DC backup keeps the 131B3231 frequency converter operable during power outages, while frame B1 guarantees compact integration. For reliable results, these requirements must be met. In line with its unique build design, the converter is organized without a PCB coating and no mains option. Efficiency, compatibility, and consistent performance in automated processes were all carefully assessed during the converter’s manufacturing process.

Continuous Apparent Power 400v
16.6 kVA
Continuous Apparent Power 460v
16.7 kVA
Continuous Output Current
24 A
Efficiency
0.98
Enclosure Size
B3
Frequency
50/60 Hz
Input Voltage
3 x 380-500 V AC
Intermittent Overload Current
38.4 A
Maximum Input Current Continuous
22 A
Maximum Input Current Intermittent
35.2 A
Power
11 kW (15 HP) / 15 kW (20 HP)
Power Loss
291 W
Power Rating
11 kW (15 hp)
Protection Rating
IP20/Chassis
Voltage Range
3 x 380-500 V

Frequently Asked Questions about 131B3231:

Q: Does the 131B3231 frequency converter support both 50 Hz and 60 Hz?

A: Yes, it operates on 50 Hz and 60 Hz systems. The dual compatibility provides flexibility that makes the product suitable for different supply networks worldwide.

Q: Why does the 131B3231 frequency converter include an H1 RFI Class A1/B filter?

A: The H1 RFI filter reduces electromagnetic interference that supports compliance with Class A1/B standards. It ensures stable performance that maintains signal quality in connected equipment.

Q: Do the output current values of 131B3231 ensure balanced operation?

A: Yes, the output current is 24/21 A in three-phase and 32/27 A in single-phase. These values ensure balanced supply and stable motor performance.

Q: How does the 131B3231 frequency converter maintain operation during power interruptions?

A: The converter integrates an MCB-107 24 V DC backup that keeps functions active during interruptions. This feature ensures uninterrupted process control that maintains operational consistency.

Q: Does the 131B3231 frequency converter meet temperature requirements up to 50°C?

A: Yes, the product supports ambient temperatures up to 50°C or 132°F. This ensures dependable operation that maintains defined limits across various motor operating conditions.


Internal Product Review

  • ‘‘The 131B3231 frequency converter is made by Danfoss that offers stable performance with PROFIBUS DP MCA 101 communication and H1 RFI Class A1/B compliance. The design includes a 24 V DC backup and the latest release standard software. The product ensures reliability with no brake chopper configuration.’’

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