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131B0526 Danfoss

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The 131B0526 is an automation drive by Danfoss, part of the VLT FC 302 Automation Drives series. It has a power rating of 3.0 kW, runs on three-phase power at 380 to 500 VAC, and supports a maximum horse power of 4.0 HP. The drive features IP20 protection, a PROFIBUS DP MCA 101 fieldbus option, and weighs 4.65 kilograms.

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Product Description:

The 131B0526 variable frequency drive is produced by Danfoss within the VLT FC 302 Automation Drives series. As an AC inverter, it adjusts induction motor speed by converting fixed-frequency line power into a modulated output, making it suitable for pumps, conveyors, and general machinery in automated plants. The unit belongs to the VLT AutomationDrive platform and uses mechanical interfaces that support cabinet integration across different frame sizes. Its regulated output allows connected motors to follow process demands without requiring direct operation at the fixed line frequency.

The drive accepts 380–500 VAC mains and is configured for three-phase power distribution. Its motor capacity is rated at 4.0 HP, with an apparent power demand of 4.99 kVA under rated operating conditions. During operation, the switching devices dissipate 116 W of heat, which must be considered when sizing cabinet ventilation and maintaining suitable airflow. The integrated PROFIBUS DP V1 MCA101 interface transfers setpoints, operating data, and status information over the fieldbus. A 24 V DC backup module, identified as MCB-107, maintains the control electronics during a loss of mains power. The A2 frame class and class A1/B radio-frequency interference filter support installation in control cabinets where electromagnetic interference must be limited.

The enclosure is 268.0 mm tall and 90.0 mm wide, allowing its required panel space to be evaluated before installation. It occupies an internal volume of 21.569 L, so adjacent equipment must leave sufficient clearance for cooling airflow and cable routing. Its gross shipping mass is 5.496 kg, which should be considered when planning transport, storage, and panel support. The drive has IP20 chassis protection and is intended for installation inside a clean, closed electrical cabinet. Its cabinet mounting arrangement is suitable for the applicable A, B, and C frame installations. Standard cable entries simplify conductor routing, while the uncoated printed circuit board is intended for controlled cabinet environments without excessive moisture or airborne contaminants.

A Option
PROFIBUS DP V1 MCA 101
Adaptation B
No adaptation
Apparent Power
4.99 kVA
B Option
No B Option
Backup Voltage
24 V DC
Brake - Safe Stop
No brake chopper
C Option Software
No Software Option
C0 Option MCO
No C0 Option
C1 Option
No C1 Option
Cable Entries
Standard
D Option
MCB-107 24V DC backup
Depth With A/b Option
220.0 mm
Fieldbus Option
PROFIBUS DP MCA 101
Frame Size
A2
Gross Weight
5.496 kg
Height
268.0 mm
Horse Power
4.0 HP
Language Pack
Standard
LCP
No LCP
Mains Option
No Mains Option
Mains Voltage
380 - 500 VAC
Mounting
Normal cabinet mount A, B & C Frames
Net Weight
4.65 kg
PCB Coating
Not Coated
Power Loss (ho)
116 W
Power Phase
Three Phase Power
Power Rating
3.0 KW
Product Group
VLT AutomationDrive FC
Protection Level
IP20 / Chassis
RFI Filter
RFI Class A1/B (C1)
Series Identifier
302
Software Release
Latest Release
Volume
21.569 L
Width No C Options
90.0 mm

Frequently Asked Questions about 131B0526:

Q: What mains voltage range is supported by the Danfoss 131B0526 VLT FC 302 Automation Drive?

A: This drive is compatible with a mains supply voltage range of 380 - 500 VAC.

Q: What is the power rating and maximum supported motor horsepower of the 131B0526?

A: The 131B0526 offers a power rating of 3.0 kW and supports motors up to 4.0 HP.

Q: Which fieldbus communication option is included with the 131B0526?

A: The drive features a PROFIBUS DP V1 MCA 101 option for fieldbus communication.

Q: What protection level is provided by the Danfoss 131B0526 drive?

A: It has an IP20 / Chassis protection level, offering basic ingress protection for indoor installations.

Q: What mounting method and frame size are specified for the Danfoss 131B0526?

A: The 131B0526 drive is designed for normal cabinet mounting with frame size A2.


Internal Product Review

  • ‘‘The 131B0526 is a Danfoss VLT FC 302 automation drive rated at 3.0 kW for three-phase power. PROFIBUS DP communication and 380 - 500 VAC mains input make the unit a strong choice for dependable automation drive service.’’

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