MTL4041B Power Supply Module Eaton MTL

Product Overview

The MTL4041B is a precision signal repeater and power supply for hazardous area transmitters. It supports both conventional 4-20mA and smart transmitters with HART communication capabilities, providing safe-area signal conditioning with excellent accuracy.

Key Features

• Supports 2/3-wire 4-20mA transmitters in Zone 0/Div.1 areas
• Bi-directional HART communication for smart transmitter configuration
• 15V minimum supply for transmitters at 20mA (28V max open-circuit)
• High accuracy: better than 20µA transfer error
• Fast response: settles within 20ms

Technical Specifications

• Signal Range: 4-20mA (1.0-21.5mA over/under-range)
• HART Bandwidth: 10Hz to 8kHz
• Load Resistance: 0-650Ω (conventional), 250Ω±10% (smart)
• Output Resistance: >1MΩ
• Ripple: <50µA p-p up to 80kHz
• Temperature Drift: <1µA/°C

Power & Safety

• Power Input: 20-35V DC (50-75mA)
• Isolation: 250V AC between areas
• FM Parameters: Vt=28V, It=141mA, Ca=0.13µF, La=1.94mH
• Certifications: Zone 0, IIC, T4-T6 / Div.1, Group A

Applications

Ideal for process control systems requiring hazardous area transmitter support, including HART-enabled smart transmitters, vortex flow meters, and turbine meters in oil/gas, chemical, and pharmaceutical applications.