Description
MTL4546C Isolator: Drive Valves & I/P Converters with HART
The MTL4546C takes a 4-20mA control signal and safely drives devices in hazardous areas. It works with I/P converters, valve positioners, and other loads. It supports HART communication and detects broken wires in your field wiring.
Technical Specifications
Brand & Model: MTL MTL4546C Signal Isolator
Input/Output Signal: 4-20mA with HART
Load Capacity: Up to 800Ω
Digital Bandwidth: 500Hz to 10kHz (HART signals)
Accuracy: Better than 20µA
Temperature Drift: < 1.0µA/°C
Power Supply: 20-35V DC
Power Consumption: 35mA at 24V
Response Time: < 100ms
Open Circuit Detection: Yes (alerts at < 0.9mA)
Hazardous Location Rating: Zone 0, IIC, T4-T6 / Div 1, Group A
Simple Connection
Connect your controller’s 4-20mA output. Connect your field device like an I/P converter. The MTL4546C provides isolation and passes HART signals for device setup.
Frequently Asked Questions
Q1: What is an I/P converter?
A1: It is a device that converts an electrical current (I) into a pneumatic pressure (P) to control valves.
Q2: Does it detect short circuits?
A2: No, the MTL4546C only detects open circuits (broken wires).
Q3: Can I use it with non-HART devices?
A3: Yes, it works perfectly as a standard 4-20mA isolator for any device.
Q4: What is the advantage of HART support?
A4: It allows digital communication for configuration, calibration, and diagnostics of smart field devices.
Q5: How much voltage does it need?
A5: It operates on a wide 20-35V DC power supply, making it versatile for different control systems.
Shipping & Package
Includes one MTL4546C unit. We ship worldwide using FedEx, UPS, and DHL.
Your Guarantee
This product comes with a 12-month warranty for quality assurance.
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