MTL4575 | MTL | Galvanic Isolator

Product Description

The MTL MTL4575, also cataloged as the MTL4575 Galvanic Isolator, operates as a dedicated hardware component for signal isolation within intrinsic safety networks. This single-channel device mirrors 0 to 24 VDC input signals to corresponding outputs. Furthermore, it enforces strict galvanic separation to prevent electrical fault propagation across the control loop.

Hardware Specifications

Intrinsic Safety Barriers & Surge Voltage Protection Limits

This isolator functions as a critical intrinsic safety (Ex i) barrier within hazardous area architectures. The device enforces a strict 250 V AC/DC isolation boundary between the input, output, and power supply circuits. Consequently, this galvanic separation prevents high-energy electrical faults from transferring into classified zones. Moreover, the unit actively mitigates surge voltage protection limits to safeguard downstream field instruments. Thus, the MTL4575 maintains signal fidelity while strictly adhering to energy limitation parameters required for safe operation in explosive atmospheres.

Frequently Asked Questions

Q: Does the MTL4575 support hot-swapping during active loop operations?
A: No. The device does not support hot-swapping while energized. Technicians must de-energize the 20 to 35 VDC power supply before inserting or extracting the module to prevent transient voltage spikes that could compromise the intrinsic safety barrier or damage connected field devices.

Q: How does the < 200 ms response time affect fast-changing process signals?
A: The < 200 ms response time defines the maximum bandwidth for accurate signal reproduction. If the input signal contains frequency components requiring faster transient response, the output will exhibit phase lag or amplitude attenuation. Therefore, engineers must verify that the process dynamics remain well within this temporal limit to ensure control loop stability.

Q: What is the maximum load the output can drive given the ≤ 250 Ohm impedance?
A: The output impedance specification of ≤ 250 Ohm indicates the internal source resistance. When calculating the maximum allowable loop resistance, technicians must subtract this internal impedance from the total available 24 VDC supply headroom to ensure the 4-20 mA signal reaches the receiving device without clipping or saturation.

Field Installation Guidelines

First, secure the module onto a standard 35 mm DIN rail, ensuring the mounting clips engage fully to maintain mechanical stability and thermal dissipation. Next, route input and output wiring in separate conduits or trays to prevent capacitive coupling and maintain the integrity of the intrinsic safety separation. Furthermore, verify that all field wiring connections utilize appropriate IP20-rated gland plates or enclosure seals to preserve the environmental rating. Finally, confirm that the 20 to 35 VDC power supply is correctly polarized and current-limited before energizing the circuit to prevent reverse polarity damage to the internal isolation components.

Other Attributes

• Country of Origin: France
  Lead Time:&nbsp;In Stock, 2 Working Days

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Question 1: Is Our Price Competitive?

NEW-GEN collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.

Question 2: What Is The Warranty Period?

We offer a standard one-year warranty for all new and original items.

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