2864406 Phoenix Contact MINI MCR-SL-I-I Input 3-terminal Isolation Amplifier

1.Overview of the 2864406 Phoenix Contact MINI MCR-SL-I-I

The Phoenix Contact MINI MCR-SL-I-I (product number 2864406) is an ultra-thin 3-terminal isolation amplifier designed for analog signal processing in industrial automation control systems. This module belongs to the MINI MCR series, widely used for electrical isolation, conversion, and filtering of signals due to its extremely thin 6.2 mm width and high reliability. Its core functions include:

Signal Isolation: Provides 3-terminal electrical isolation between input, output, and power supply, effectively preventing ground loop interference and voltage spikes from damaging equipment.

Signal Conversion: Supports the transmission and replication of standard analog current signals.

Compact Design: The module's small size allows for high-density installation in control cabinets, saving space.

2.Core Features:

Input signal: 0(4) mA to 20 mA current input
Output signal: 0(4) mA to 20 mA current output
Power supply voltage: 19.2 V DC to 30 V DC (rated 24 V DC)
Electrical isolation: 3-terminal isolation between input/output/power supply, test voltage 1.5 kV (50 Hz, 1 minute)
Connection: Screw terminal blocks, supports wire gauges 26 AWG to 12 AWG
Mounting: DIN rail mounting (compliant with EN 60715)
Operating temperature: -20 °C to +65 °C
Accuracy and response: Maximum transmission error ≤ 0.1%, step response time approximately 3.2 ms
Dimensions: 6.2 mm (W) × 93.1 mm (H) × 101.2 mm (D)
Safety certifications: cULus, ATEX, GL, CE, DNV, etc.

High-Precision Signal Processing

The module employs low-noise amplification technology, ensuring signal transmission error does not exceed 0.1%, with a temperature coefficient as low as < 0.01 %/K, making it suitable for high-precision measurement scenarios.

Triple Isolation Protection

Complete isolation between input, output, and power circuits provides 1.5 kV transient overvoltage protection, complying with the EN 61010 basic isolation standard, significantly improving system immunity and safety.

Ultra-Thin and Compact Design

At only 6.2 mm thick, it is one of the thinnest isolation amplifiers in its class, allowing for high-density installation in confined spaces and optimizing control cabinet space utilization.

Simplified Installation and Configuration

Quick installation via DIN rail and power bridging via TBUS (DIN rail bus connector) reduces external wiring.

No Software Configuration Required: Fixed signal processing modes (e.g., 4-20 mA input/output) eliminate the need for programming, reducing debugging complexity.

Wide power supply and load adaptability

Power supply range 19.2 - 30 V DC, compatible with industry standard 24 V power supply; output load capacity up to 500 Ω (at 20 mA), suitable for most PLCs and data acquisition devices.

3.Product details pictures

4. Related products

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