Eaton MTL4561 MTL4500 Fire and Smoke Detector Interface 2-Channel Loop-Powered Module

Eaton · Fire & Life Safety

Description  The Eaton MTL4561 is a two-channel fire and smoke detector interface module designed for intrinsically safe signal transfer between hazardous and safe areas. As part of the Eaton Crouse-Hinds MTL4500 series, it provides fully floating channels, galvanic isolation, and loop-powered operation for reliable fire and smoke detection applications. The module is engineered for installation in hazardous environments requiring IECEx and ATEX compliance.     Technical Specifications  Condition New/Never Used Surplus Brand Eaton Category Fire Detection Part Number MTL4561 Subcategory Fire and Smoke Detector Interface Modules Product Series MTL4500 Product Type Fire and Smoke Detector Interface Signal Type Fire and Smoke Number of Channels 2, Fully Floating Power Supply 20–35 VDC Power Dissipation 0.7W Max @ 24V, 0.9W Max @ 30V Current Range 1–40 mA Maximum Input Voltage 6–30 VDC Maximum Output Voltage 28V from 300Ω Response Time Within 5% of Final Value in 1.5 ms Transfer Accuracy Better than 400 µA Galvanic Isolation 50V Between Safe-Area Circuits and Power Supply Protection Features Reverse Polarity Protected Input Circuit Mounting Method MTL4500 Series Backplanes Area Classification Hazardous/Classified Locations Hazardous Area Rating IECEx/ATEX Zone 0 Safety Integrity Level SIL2 According to IEC61508 EMC Compliance EN61326 Electrical Connection Crimp Ferrules Terminal Capacity Up to 2.5 mm² Stranded or Solid Conductors Operating Temperature -20°C to 60°C Storage Temperature -40°C to 80°C Humidity 5–95% Relative Humidity Dimensions 121.8 mm H × 15.8 mm W × 104.8 mm D Weight 140 g     Information About MTL4561 The MTL4561 is a member of the Eaton Crouse-Hinds MTL4500 series of intrinsically safe interfaces developed for industrial process safety and fire detection systems. Designed as a two-channel fire and smoke detector interface, the module enables secure communication between field detection devices and control systems while maintaining electrical isolation. Its loop-powered architecture minimizes installation requirements while providing accurate signal transfer and fast response times. Certified for Zone 0 hazardous locations, the module is suitable for use in oil and gas, chemical processing, power generation, and other industrial applications where fire detection integrity is essential. Key Features: Two Fully Floating Channels: Supports two independent fire and smoke detector circuits. Intrinsically Safe Design: Certified for installation in IECEx and ATEX Zone 0 hazardous areas. Loop-Powered Operation: Operates without a dedicated field power source. Galvanic Isolation: Provides 50V isolation between safe-area circuits and power supply. Reverse Polarity Protection: Input circuit protected against incorrect wiring connections. Fast Response Performance: Settles within 5% of final value in less than 1.5 ms. High Signal Accuracy: Transfer accuracy better than 400 µA. MTL4500 Backplane Mounting: Compatible with MTL4500 series backplane systems. The MTL4561 delivers the reliability and precision required for hazardous-area fire and smoke detection interface applications.

Brand: Eaton · Category: Fire & Life Safety

Key features

• Two Fully Floating Channels: Supports two independent fire and smoke detector circuits.
• Intrinsically Safe Design: Certified for installation in IECEx and ATEX Zone 0 hazardous areas.
• Loop-Powered Operation: Operates without a dedicated field power source.
• Galvanic Isolation: Provides 50V isolation between safe-area circuits and power supply.
• Reverse Polarity Protection: Input circuit protected against incorrect wiring connections.
• Fast Response Performance: Settles within 5% of final value in less than 1.5 ms.
• High Signal Accuracy: Transfer accuracy better than 400 µA.
• MTL4500 Backplane Mounting: Compatible with MTL4500 series backplane systems.

Specifications

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