Description
ABB 3BHE037864R0104 UFC911B104 Analog I/O & High-Voltage Control Module
Brand: ABB | Model: UFC911B104 | Part Number: 3BHE037864R0104 | Product Category: Analog I/O & High-Voltage Switchgear Control Module
Developed by ABB, the 3BHE037864R0104 (UFC911B104), also known as CVMI2B, is a high-reliability industrial control module integrating analog input/output and high-voltage switchgear control functions. It is specifically designed for Ekip®S remote I/O systems and ABB UniGear ZS1 series medium-voltage switchgear, serving as a key interface between on-site equipment and control systems in industrial automation and power distribution scenarios. This module can convert analog signals to digital signals and vice versa, execute precise control logic, and support real-time data exchange with other system components. Integrating high-precision signal conversion, multi-protocol communication, and rugged industrial design, it ensures stable operation in harsh industrial environments and is widely applied in power, petrochemical, manufacturing, and other industries, providing reliable control and monitoring support for various industrial processes and high-voltage equipment.

3BHE037864R0104 UFC911B104
Product Overview
The ABB 3BHE037864R0104 UFC911B104 is a multi-functional industrial control module with dual core functions: analog input/output conversion and high-voltage switchgear control. It is also designated as CVMI2B and complies with IEC 61131-2 and IEC 62271-200 standards, ensuring compatibility and reliability in global industrial applications. As a key component for Ekip®S remote I/O systems, it provides 32 analog input/output channels to meet the needs of complex process control, discrete control, and data acquisition tasks. Meanwhile, it is tailored for ABB UniGear ZS1 series medium-voltage switchgear (10-40.5 kV voltage level), supporting spring-operated mechanical mechanisms and built-in interlocking functions to prevent misoperation. With high integration, programmable configuration, and flexible communication capabilities, this module is easy to install, maintain, and expand, and can stably operate in harsh industrial environments such as high temperature, high pressure, and high electromagnetic interference, making it an essential component for industrial automation and power distribution systems.
Product Highlights
- Dual-Core Function Integration: Integrates analog input/output conversion and high-voltage switchgear control functions, serving as a dual-purpose module for both signal conversion and high-voltage equipment control, reducing system component count and improving integration efficiency.
- High-Precision Signal Conversion: Provides 32 analog input/output channels with an accuracy of 0.1%, supporting analog input/output ranges of ±10 V and ±20 mA. It ensures precise data acquisition and signal transmission, laying a foundation for reliable industrial process control.
- Fast Response Performance: Features a response time of less than 2 milliseconds, supporting real-time control applications and quickly responding to changes in on-site input signals, ensuring the timeliness and accuracy of control commands.
- High-Voltage Adaptability: Designed for ABB UniGear ZS1 series medium-voltage switchgear, applicable to 10-40.5 kV voltage levels, with a rated current of typically 3150 A and short-time withstand current of 50 kA/3 seconds, adapting to high-voltage power distribution scenarios.
- Reliable Interlocking & Safety Protection: Equipped with built-in mechanical interlocking functions to prevent misoperation (such as interlocking between earthing switches and circuit breakers), and meets strict insulation standards with power frequency withstand voltage of 95 kV and lightning impulse withstand voltage of 185 kV, ensuring operational safety.
- Flexible Communication & Integration: Supports mainstream industrial communication protocols such as Modbus RTU/TCP and IEC 61850 (GOOSE/SV), enabling digital substation communication and seamless integration with ABB Ekip®S remote I/O systems and other industrial control components.
- Strong Environmental Adaptability: Made of high-quality industrial-grade components, with a protection rating of IP20 (IP4X for cabinet interior), operating temperature range of -25℃ to +55℃ (extendable to -40℃ with temperature control equipment), and relative humidity of ≤95% (non-condensing), adapting to harsh industrial environments.
- Easy Configuration & Maintenance: Adopts modular design and programmable configuration, supporting on-site parameter adjustment and function customization according to application needs. It is equipped with intuitive indicators for easy operation and fault diagnosis, reducing maintenance time and cost.

3BHE037864R0104 UFC911B104
Technical Specifications
| Parameter | Details |
| Model | ABB UFC911B104 (CVMI2B) |
| Part Number | 3BHE037864R0104 |
| Product Type | Analog I/O & High-Voltage Switchgear Control Module |
| Alternative Designation | CVMI2B |
| Applicable System | ABB Ekip®S remote I/O system, ABB UniGear ZS1 series |
| Analog Channels | 32 analog input/output channels |
| Analog Input/Output Range | ±10 V, ±20 mA |
| Accuracy | 0.1% |
| Response Time | < 2 milliseconds |
| Applicable Voltage Level | 10-40.5 kV (suitable for 35 kV systems) |
| Rated Current | Typically 3150 A |
| Short-Time Withstand Current | 50 kA/3 seconds |
| Insulation Level | Power frequency withstand voltage: 95 kV; Lightning impulse withstand voltage: 185 kV |
| Communication Interfaces | Support for Modbus RTU/TCP, IEC 61850 (GOOSE/SV) |
| Protection Rating | IP20 (module itself); IP4X (cabinet interior) |
| Operating Temperature | -25℃ to +55℃ (extendable to -40℃ with temperature control) |
| Storage Temperature | -40℃ to +85℃ |
| Humidity Range | ≤95% RH (non-condensing) |
| Dimensions | 225mm × 66mm × 112.5mm (W×H×D) |
| Net Weight | Approx. 0.2 kg (module net weight); 2.5 kg (packaged weight) |
| Certifications | CE, RoHS, IEC 61131-2, IEC 62271-200 |
Application Scenarios
The ABB 3BHE037864R0104 UFC911B104 analog I/O & high-voltage control module is widely used in various industrial fields that require analog signal conversion, high-voltage equipment control, and reliable industrial automation, especially suitable for medium-voltage power distribution and complex process control scenarios:
- Power Industry: Applied in medium-voltage power distribution systems, substations, and power plants, used for high-voltage switchgear control, analog signal acquisition and conversion of power parameters (temperature, pressure, flow), and real-time monitoring of power distribution equipment, ensuring stable operation of power systems.
- Petrochemical & Metallurgical Industry: Suitable for oil refineries, chemical plants, and steel mills, used for process control (regulating temperature, pressure, flow), discrete equipment control (motors, valves, relays), and data acquisition from on-site equipment, adapting to harsh industrial environments with high temperature and high pressure.
- Manufacturing Industry: Used in automated production lines, pump and fan control, conveyor control, extruder control, and packaging machine control, realizing precise control of production processes and real-time monitoring of equipment status, improving production efficiency.
- Building Automation & HVAC: Applied in building intelligent systems and HVAC systems, used for analog signal conversion of environmental parameters and control of lighting, ventilation, and air conditioning equipment, enhancing the intelligence and energy efficiency of buildings.
- Other Fields: Also widely used in water & wastewater treatment systems, offshore platforms, and digital substations, providing reliable analog signal conversion and high-voltage control support for various industrial automation and power distribution scenarios.
Why Choose ABB 3BHE037864R0104 ?
As a world-leading provider of industrial automation and power solutions, ABB has decades of experience in the research and development of industrial control and power distribution equipment. The 3BHE037864R0104 inherits ABB’s strict quality control standards and advanced technology, integrating analog I/O conversion and high-voltage control functions in one module, which is more cost-effective than separate modules. It complies with international industrial standards, with high precision, fast response, and reliable safety performance, effectively avoiding operational risks caused by misoperation and signal distortion. Its flexible communication capabilities and modular design enable seamless integration with ABB Ekip®S remote I/O systems and UniGear ZS1 switchgear, reducing system integration costs. With strong environmental adaptability and easy maintenance, it ensures long-term stable operation in harsh industrial environments. Backed by ABB’s professional after-sales support and long product lifecycle, it provides a reliable guarantee for the stable operation of your industrial automation and power distribution systems, making it the preferred choice for medium-voltage control and analog signal processing projects.
Packaging & Shipping
- Package Included: 1 × ABB 3BHE037864R0104 Control Module (CVMI2B), 1 × User Manual, 1 × Calibration Certificate (Software license not included, available for separate purchase).
- Packaging: Industrial-grade shockproof and moisture-proof packaging, with independent foam cushioning to avoid damage during transportation, ensuring the product arrives in perfect condition.
- Shipping: Global delivery, with tracking number provided after shipment; professional logistics team ensures safe and fast delivery, complying with international transportation standards for industrial electronic components.
Note: For detailed installation guidelines, debugging methods, parameter configuration, or customization needs, please contact our technical support team. We provide professional after-sales service and technical guidance to ensure the stable operation of your equipment. The product comes with a 12-month warranty for quality assurance. When installing, please follow ABB standard installation specifications to ensure reliable grounding and good ventilation; when configuring communication protocols and analog parameters, please refer to the product manual to ensure the normal operation of the module and the entire control system. It is recommended to use ABB dedicated configuration software for parameter setting to ensure compatibility and stability.
