Danfoss 130B1125 MCB101 General Purpose I/O Board – VLT Expansion Module – Tested

What Is the Danfoss 130B1125 MCB 101?

The Danfoss 130B1125 MCB 101 is a General Purpose Input/Output (I/O) expansion module designed for selected Danfoss VLT frequency converter applications.

The MCB 101 module provides additional input and output interfaces for drive control and industrial automation applications. It is used to expand the available I/O functions of compatible VLT drives.

This module is offered as tested stock for industrial VFD maintenance, repair and replacement applications.

Before ordering, verify the original module part number, drive model, installation configuration and terminal arrangement to ensure correct replacement compatibility.

Key Specifications

Specification	Details
Part Number	130B1125
Brand	Danfoss
Module Name	MCB 101
Product Type	General Purpose I/O Expansion Module
Product Category	VLT Expansion Module
Application	Additional Drive Input / Output Functions
Drive Compatibility	Selected Danfoss VLT Drives
Digital Inputs	To be confirmed
Analog Inputs	To be confirmed
Analog Outputs	To be confirmed
Digital Outputs	To be confirmed
Terminal Configuration	To be verified
Condition	Tested Stock
Testing Status	Tested
Hardware Revision	To be confirmed
Exact Compatible Drive Models	To be verified

Applications and Compatibility

The Danfoss 130B1125 MCB 101 is intended for expanding the input and output capabilities of compatible Danfoss VLT frequency converters.

Potential applications include:

• Industrial drive control system expansion.
• Additional input and output signal connections.
• Industrial automation system integration.
• Replacement of an existing MCB 101 expansion module.
• Maintenance and repair of compatible VLT frequency converters.
• Industrial motor control applications.

Important Compatibility Checks:

Before ordering, verify:

• Confirm that the original module carries the exact part number 130B1125.
• Check the complete Danfoss VLT drive model and type code.
• Verify that the drive supports the MCB 101 expansion module.
• Compare the original module revision and identification markings.
• Check terminal positions and wiring configuration.
• Confirm the required I/O functions for your application.
• Verify compatibility against the original drive documentation.

Do not assume that every Danfoss VLT frequency converter supports the MCB 101 module.

Compatibility with specific FC series and drive configurations should be confirmed individually before purchase.

How to Identify the Correct Replacement Module

When replacing an MCB 101 expansion module, carefully compare the original module with the replacement unit.

Check the following details:

• Part number printed on the module label.
• MCB 101 identification markings.
• Hardware revision and product code.
• Terminal positions and connection arrangement.
• Digital and analog I/O configuration.
• Mounting and installation arrangement.
• Complete drive model and nameplate information.

If you are unsure about compatibility, send us clear photos of the existing module and drive nameplate before ordering.

When Should the MCB 101 Module Be Replaced?

An I/O expansion module may require inspection when a frequency converter experiences abnormal input or output signals, missing control responses or related I/O faults.

Before replacing the module:

• Inspect the module for visible damage or burnt components.
• Check terminal connections and wiring.
• Inspect the connected control signals.
• Verify the input and output signal configuration.
• Review the drive fault history and diagnostic results.
• Check the module installation and connection points.
• Confirm that the replacement part number matches the original module.

Abnormal I/O signals do not automatically indicate a defective expansion module. External wiring, sensors, control devices and drive configuration should also be inspected by qualified personnel.

Condition and Testing

This Danfoss 130B1125 MCB 101 General Purpose I/O Module is offered as tested stock for industrial VFD maintenance and replacement.

• Product identification: Danfoss 130B1125.
• Module designation: MCB 101.
• Product type: General Purpose I/O Expansion Module.
• Application: Compatible Danfoss VLT drive systems.
• Testing status: Tested.
• Physical condition: Please refer to actual product photographs.
• Functional testing details: To be confirmed.

Please contact us for available inspection details, actual product photos and current stock availability.

Confirm the physical condition and testing scope before purchase.

Frequently Asked Questions

What is the Danfoss 130B1125 MCB 101 used for?

The MCB 101 is a General Purpose I/O expansion module designed to provide additional input and output functions for compatible Danfoss VLT frequency converters.

Is the 130B1125 compatible with all Danfoss VLT drives?

No universal compatibility should be assumed. Check the complete drive model and original equipment documentation before ordering.

What is the difference between a main control board and an MCB 101 module?

A main control board handles drive control functions, while the MCB 101 is an expansion module intended to provide additional I/O interfaces.

Is the Danfoss 130B1125 tested?

Yes, this product is listed as tested stock. Please contact us for available inspection and functional testing details.

Is this a new or used I/O expansion module?

Please confirm the actual stock condition with our sales team before ordering.

How can I confirm compatibility before purchase?

Send us the original module part number, clear photos of the module and the complete Danfoss VLT drive nameplate. We can help check the available identification information.

Can you supply the MCB 101 module for international industrial maintenance projects?

Please contact us to confirm stock availability, shipping costs and delivery arrangements for your destination.

Need Help Confirming Compatibility?

Looking for a replacement Danfoss 130B1125 MCB 101 General Purpose I/O Module?

Send us:

• A clear photo of the existing MCB 101 module.
• A close-up photo of the 130B1125 identification label.
• The complete Danfoss VLT drive nameplate.
• The module revision and terminal configuration, if available.
• Your required quantity.

Contact us for product identification, compatibility assistance and quotation.