MTL4728+

Overview

Eaton MTL MTL4728+ 4-Channel Barrier is designed for controller outputs and hazardous-area device driving applications such as solenoids, alarms, and LEDs. Each loop is powered by a single channel, enabling up to four devices. The unit incorporates an earth return circuit and is not designed to accept bussed power.

Identification

• Product ID: MTL4728+

• Model: 4-Channel Barrier

• Type: Intrinsically Safe Interface

• Manufacturer: Eaton MTL

Channel Allocation

• Channels: 1 to 4

• Polarity: Positive

Electrical Ratings

• Safety description: 28 V, 300 Ω, 93 mA

• Max resistance: 330 Ω

• V working at 10 μA: 26.3 V

• V max: 27.0 V

• Fuse rating: 50 mA

• Matched power: 0.65 W

Application Notes

• Use case: Controller outputs, solenoid, alarm, LED driving

• Power source: Not bussed (control switch often in power leg)

• Return type: Earth return circuit (contrast with MTL4787+ / MTL4787P+ diode return)

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