Phoenix Contact MINI MCR-BL-U-I-4 Signal Conditioner

$ 109.02

Compact Phoenix Contact MINI MCR-BL-U-I-4 signal conditioner with 3-way isolation, 0–10 V to 4–20 mA conversion, high accuracy, and reliable DIN rail design.

Product Description

Phoenix Contact MINI MCR-BL-U-I-4 Signal Conditioner – 3-Way Isolation

The Phoenix Contact MINI MCR-BL-U-I-4 signal conditioner (2810492) delivers dependable three-way electrical isolation for analog signal transmission. It converts a 0 to 10 V input into a stable 4 to 20 mA output, ensuring smooth communication between field devices and control systems. With its slim 6.2 mm housing and simple DIN rail installation, it saves valuable panel space without sacrificing performance. Engineered for industrial reliability, the device offers less than 0.1% transmission error and excellent stability, making it a trusted choice for signal conditioning in automation, process monitoring, and control applications.

The MINI MCR-BL-U-I-4 is built for users who need precise, interference-free signal conversion in compact systems. Its rapid 500 ms step response and minimal output ripple ensure accurate readings, even in sensitive applications. Operating across a wide 19.2 to 30 V DC range, it adapts easily to different supply conditions while resisting electromagnetic disturbances for consistent operation. Lightweight yet rugged, it protects against ground loop issues and electrical faults, safeguarding both equipment and processes. For system builders and plant engineers, it translates into reduced downtime, enhanced safety, and long-term reliability in demanding environments.

Why Phoenix Contact MINI MCR-BL-U-I-4?

The MINI MCR-BL-U-I-4 stands out because it transforms complex signal handling into a simple, reliable process. Its ultra-slim design saves valuable panel space while delivering precise three-way isolation to protect devices from electrical interference. With fast response times, high accuracy, and seamless DIN rail integration, it’s engineered for professionals who value performance and efficiency. This conditioner not only strengthens measurement reliability but also future-proofs control systems with rugged compliance to industrial standards.

What Problem Does It Solve?

Signal interference, ground loops, and unstable measurements are common challenges in industrial automation. The MINI MCR-BL-U-I-4 directly addresses these by electrically isolating, converting, and stabilizing signals. It ensures that control systems receive clean, accurate data regardless of harsh operating conditions. By filtering out noise and safeguarding sensitive equipment, it eliminates downtime caused by signal errors. Engineers and plant operators gain confidence knowing their processes run smoothly, with consistent performance and reduced maintenance overhead.

 


Key Features & Specifications – Phoenix Contact MINI MCR-BL-U-I-4: 2810492

Feature Details Benefit
Signal Conversion Input: 0–10 V, Output: 4–20 mA Standardizes signals for seamless integration into control systems
Isolation 3-way electrical isolation (input/output/power) Prevents ground loops and enhances system safety
Transmission Accuracy ≤ 0.1% of final value Delivers reliable and precise measurements
Step Response Time Approx. 500 ms Ensures quick adaptation to signal changes
Frequency Limit Approx. 100 Hz Suitable for low-frequency analog signals
Supply Voltage 24 V DC ±10% (19.2…30 V DC range) Flexible power compatibility in industrial setups
Current Consumption < 20 mA Energy-efficient operation with low power demand
Output Load Capacity ≤ 500 Ω Stable performance across varying load conditions
Operating Temperature -10 °C … +60 °C Reliable use in diverse industrial environments
Mounting DIN rail, any position Simplifies installation and saves panel space
Housing Width 6.2 mm Ultra-slim design for high-density panel layouts
Certifications CE, UKCA, RoHS compliant Meets international safety and environmental standards

Download MINI MCR-BL-U-I-4 2810492 Datasheet

 


Commercial Data – Phoenix Contact MINI MCR-BL-U-I-4: 2810492

Commercial Data Details
GTIN Number 4046356166713
Traffic Number DKA131
Weight 59 g (net), 66.9 g (with packaging)
Country of Origin Germany (DE)

 


The Applications of the Phoenix Contact MINI MCR-BL-U-I-4

1. Industrial Water Treatment Signal Isolation

In large-scale water treatment facilities, monitoring equipment such as pH or turbidity sensors must deliver reliable data to centralized controllers. Voltage signals often weaken or pick up interference when transmitted across long cable runs near pumps and motors. By using the MINI MCR-BL-U-I-4, these 0–10 V sensor signals are converted into stable 4–20 mA outputs with full three-way isolation. This eliminates noise, reduces the risk of ground loops, and ensures that the treatment process is adjusted with precise, interference-free data. Operators gain more dependable system control, reducing downtime and ensuring water quality standards are consistently met.

2. HVAC and Building Management Systems

In modern building automation, hundreds of sensors track air quality, room temperature, and humidity. These sensors often output low-voltage signals that degrade over long distances in ducts or service corridors. Installing the MINI MCR-BL-U-I-4 solves this issue by isolating the input and converting it to a current loop resistant to signal loss. The fast response of the unit ensures HVAC adjustments happen quickly, improving comfort and energy efficiency. Its slim profile means multiple units can be mounted in crowded control panels, making it ideal for both new construction projects and retrofits of existing building management systems.

3. Renewable Energy Plant Monitoring

Solar and wind installations require accurate monitoring of voltage levels, temperatures, and performance feedback from distributed sensors. Harsh outdoor environments and electromagnetic interference from switching components can distort low-voltage signals. With the MINI MCR-BL-U-I-4, these measurements are electrically isolated and transmitted as robust current signals that maintain integrity over long distances. The result is cleaner data collection by supervisory systems, allowing operators to detect performance issues earlier and schedule predictive maintenance. Its broad supply voltage tolerance and rugged design make it particularly suitable for renewable energy applications where reliability and longevity are critical.

4. Chemical Process Plant – Control Valve Feedback

In chemical production lines, precise dosing and mixing depend on control valves providing accurate position feedback. Valve sensors often use 0–10 V signals that are prone to disruption from ground potential differences or electromagnetic interference. Incorporating the MINI MCR-BL-U-I-4 ensures the feedback signal is isolated, transformed into a 4–20 mA current, and transmitted without distortion. This stable output allows process controllers to fine-tune valve positions more effectively, improving product consistency and reducing raw material waste. For operators, the benefit is safer plant operation, lower maintenance intervention, and higher efficiency in critical production environments.

 


Product Category & Benefits – Phoenix Contact MINI MCR-BL-U-I-4

Category Model Name Part Number Benefits
Signal Conditioner MINI MCR-BL-U-I-4 2810492 Provides 3-way isolation, converts 0–10 V to 4–20 mA, compact DIN rail design
Accessory – Protection MINI MCR DKL Transparent Cover 2308111 Shields module from dust and contact, offers extra labeling option
Accessory – Labeling MINI MCR-DKL-LABEL 2810272 Simplifies identification and reduces wiring errors in dense panels
Accessory – Tool SZS 0,6X3,5 Screwdriver 1205053 Ensures secure screw terminal connections with insulated, non-slip grip

 


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