MTL5500 DIN Rail Mounted Intrinsically Safe Isolator

The MTL5500 range of intrinsic safety isolators are designed to meet the needs of the IS interface market for application-focused projects, from single instrument loops to fully equipped cabinets. Protecting electrical signals in potentially flammable or other hazardous areas. Helping to ensure a safe work environment and protect those nearby from explosion risks.

MTL5500 electrical isolator range has a slim, compact housing to suit a variety of space requirements and the range of module options contains both single and multiple channel devices which enable the user to choose the functionality and integrity needed without sacrificing cabinet space. The modules can be used for a wide variety of interface tasks for process instrumentation.

All signal wiring is made through removable connectors which facilitate fast installation and simple maintenance procedures.

Safety

Prevents ignition of explosive atmospheres

Reliability

Permits live maintenance

Ease of Use

Easily integrates with all major control systems

Certifications and compliances

ATEX & IECEx approved

Zone 0, Group I, IIC & IIIC outputs
Zone 2 mounting
T4 temperature classification
Certified for -20°C to +60°C

FM & FMc approved (US and Canada)

Class I, II & III, Division 1 outputs
Class I, Zone 0, Group IIC outputs
Class I, Division 2 mounting
Class I, Zone 2 mounting
T4 temperature classification
Certified for -20°C to +60°C

Other approvals

Marine (Lloyds Register)
Korea (KTL)
China (NEPSI)
India (PESO)

CE marked for compliance with LVD, EMC, ATEX and RoHS Directives.

Approvals held and approval details vary between models. Please refer to certificates for specific details.

Design features

Compact modular design with DIN rail mounting
Highest module/channel packing density
Single and multi-channel I/O modules
3-port isolation with low power dissipation
Quick install and release mechanism
Broken line monitoring
Compatible with preceding MTL isolator range for pluggable replacements
Various models assessed for use in functional safety applications

MTL5514D

Eaton Crouse-Hinds series MTL5500 isolator, 1 channel, Digital input, 20-35 Vdc, 0.7W, 29mA, Relay: Contact (Zone 2): 35V, 2A, 100VA, Phase reversal, LED: Green=power, Yellow=status, Red=LFD, Two single-pole relays w/ changeover contacts

MTL5517 - FSM ASSESSED

Eaton Crouse-Hinds series MTL5500 isolator, 2 channel, Digital input, 20-35 Vdc, 0.84W, 35mA, Relay: Contact (Zone 2): 35V, 2A, 100VA, Phase reversal, LED indication: Green = power, Yellow = status, Red, LFD, Single-pole relay w/ NO contact

MTL5511

MTL5513

Eaton Crouse-Hinds series MTL5500 isolator, 2 channel, Digital input, ±35V max., 20-35 Vdc, 0.65W, 30mA, 7-9 Vdc sensor, Phase reversal independent for each channel, LED: Green = power, Yellow = status, Red = LFD, Switch/proximity detector

MTL5514D

MTL5516C - FSM ASSESSED

Eaton Crouse-Hinds series MTL5500 isolator, 2 channel, Digital input, 20-35 Vdc, 0.84W, 35mA, Relay: Contact (Zone 2): 35V, 2A, 100VA, 7-9 Vdc sensor, LED: Green=power, Yellow=status, Red=LFD, 2 single-pole relays w/ changeover contacts

MTL5510B

Eaton Crouse-Hinds series MTL5500 isolator, 4 channel, Digital input, ±35V max., 20-35 Vdc, 0.96W dissipation, 40mA, 7-9 Vdc sensor, LED: Green = power, Yellow = status, Red = LFD, Multi-function, Switch/proximity detector interface

MTL5514-T

Eaton Crouse-Hinds series MTL5500 isolator, 1 channel, 20-35 Vdc, 0.6W at 24V dissipation, 25mA at 24 Vdc, 7-9 Vdc sensor, Phase reversal, LED indication: Green = power, Yellow = status, Red = LFD, Switch/proximity detector interface

MTL5514

Eaton Crouse-Hinds series MTL5500 isolator, 1 channel, Digital input, 20-35 Vdc, 0.6W, 25mA, Relay: Contact (Zone 2): 35V, 2A, 100VA, Phase reversal, LED: Green = power, Yellow = status, Red = LFD, Single-pole relay w/ changeover contacts

MTL5501-SR

Eaton Crouse-Hinds series MTL5500 isolator, 1 channel, Digital input, 30mA, 20-35 Vdc power supply, 8.6 Vdc sensor, LED indication: Green = power, Yellow = status, Red = LFD, Fail-safe switch/proximity detector interface

Brochures

MTL Overview Brochure

(PDF 45 MB , 29/09/2026)