MTL4500 Intrinsic Safety Isolator.
MTL4500 Intrinsic Safety Isolator
MTL4500 Backplane Mounted Isolator
The MTL4500 range of backplane mounting intrinsic safety isolators offers an innovative solution for protecting electrical signals in potentially flammable or other hazardous areas. It ensures a safe work environment and protects personnel and assets from explosion risks.
Key Benefits
Highest Packing Density: More I/O channels in each module provide the highest density on the market, saving cabinet space.
Advanced Technology: Utilises innovative planar transformer technology and extensive automation in construction for maximum reliability.
Project Focussed: Designed for Distributed Control Systems (DCS), Emergency Shutdown Systems (ESD), and Fire and Gas monitoring (F&G).
Low Power Dissipation: 3-port isolation as standard with improved performance from low-power circuit designs.
Certifications and Compliances
Explosion Protection: ATEX & IECEx approved; FM & FMc approved (US and Canada).
Mounting: Zone 2 or Class I, Division 2 mounting.
Hazardous Area Outputs: Zone 0 Group I, IIC & IIIC; Class I, II & III Div 1.
Operating Temperature: Certified for -20°C to +60°C.
Marine & Regional Approvals: Lloyds Register, KTL (Korea), NEPSI (China), PESO (India).
Industry Applications
The MTL4500 series is the preferred choice for safety-critical industries:
Oil & Gas and Petrochemical refineries.
Thermal Power and Renewable Energy plants.
Chemical, Pharmaceutical, and Pulp & Paper industries.
Product Selection Guide
Choose the right MTL4500 module based on your specific signal requirements:
Model | Signal Type | Channels |
|---|---|---|
MTL4541 / MTL4544 | Analog Input (AI) - 4/20mA HART | 1 / 2 Channels |
MTL4546 / MTL4549 | Analog Output (AO) - 4/20mA HART | 1 / 2 Channels |
MTL4511 / MTL4514 | Digital Input (DI) - Switch/Proximity detector | 1 / 2 Channels |
MTL4521 / MTL4523 | Digital Output (DO) - Solenoid/Alarm driver | 1 Channel |
Design features
Safety | Reliability | Ease of Use |
Prevents ignition of explosive atmospheres | Permits live maintenance | Easily integrates with all control station |
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
Quick install-and-release mechanism
Highest module/channel packing density
Single and multi-channel I/O modules
3-port isolation with low power dissipation
Broken line monitoring
Compatible with preceding MTL isolator range replacements
Various models assessed for use in functional safety applications
Ordering Information
Product Code | Type | Specification | Certification | Functional Safety |
|---|---|---|---|---|
MTL4501-SR | Digital Input | 1ch DI failsafe solid-state output + LFD alarm | ATEX Approved | FSM Approved |
MTL4504 | Digital Input | 1ch DI relay output + LFD alarm + phase reversal | ATEX Approved | FSM Approved |
MTL4510 | Digital Input | 4ch DI solid-state output | ATEX Approved | |
MTL4510B | Digital Input | 4ch DI multifunction solid-state output | ATEX Approved | |
MTL4511 | Digital Input | 1ch DI relay output | ATEX Approved | FSM Approved |
MTL4513 | Digital Input | 2ch DI solid-state output | ATEX Approved | |
MTL4514 | Digital Input | 1ch DI relay output + LFD alarm | ATEX Approved | FSM Approved |
MTL4514X | Digital Input | 1ch DI relay output + LFD alarm | ATEX Approved | FSM Approved |
MTL4514D | Digital Input | 1ch switch / prox input, dual output relay | ATEX Approved | FSM Approved |
MTL4514N | Digital Input | 1 ch switch / prox detector, LFD, phase reversal | ATEX Approved | FSM Approved |
MTL4514B | Digital Input | 1ch DI relay output + LFD alarm | ATEX Approved | FSM Approved |
MTL4516 | Digital Input | 2ch DI relay output | ATEX Approved | FSM Approved |
MTL4516C | Digital Input | 2ch DI with changeover relay output | ATEX Approved | FSM Approved |
MTL4517 | Digital Input | 2ch DI relay output + LFD alarm | ATEX Approved | FSM Approved |
MTL4521 | Digital Output | Loop powered solenoid driver | ATEX Approved | FSM Approved |
MTL4521L | Digital Output | Loop powered solenoid driver IIC | ATEX Approved | FSM Approved |
MTL4523 | Digital Output | Solenoid driver with LFD | ATEX Approved | FSM Approved |
MTL4523L | Digital Output | Loop powered solenoid driver + LFD | ATEX Approved | FSM Approved |
MTL4523R | Digital Output | Solenoid driver with LFD | ATEX Approved | FSM Approved |
MTL4523V/VL | Digital Output | Solenoid / Alarm driver with voltage control | ATEX Approved | FSM Approved |
MTL4524 | Digital Output | Switch operated solenoid driver | ATEX Approved | FSM Approved |
MTL4524S | Digital Output | Switch operated solenoid driver, 24V override | ATEX Approved | FSM Approved |
MTL4525 | Digital Output | Switch operated solenoid driver low power | ATEX Approved | FSM Approved |
MTL4526 | Digital Output | 2ch switch operated relay | ATEX Approved | |
MTL4541 | Analogue Input | 1ch 2/3 wire Transmitter repeater | ATEX Approved | FSM Approved |
MTL4541A | Analogue Input | 1ch Transmitter repeater, passive input | ATEX Approved | FSM Approved |
MTL4541AS | Analogue Input | 1ch Transmitter repeater, passive input, current sink | ATEX Approved | FSM Approved |
MTL4541B | Analogue Input | MTL4041-B replacement | ATEX Approved | FSM Approved |
MTL4541P | Analogue Input | MTL4041-P replacement | ATEX Approved | |
MTL4541S | Analogue Input | 1ch 2/3 wire Transmitter repeater, current sink | ATEX Approved | FSM Approved |
MTL4541T | Analogue Input | 2/3 wire Transmitter repeater | ATEX Approved | |
MTL4544 | Analogue Input | 2ch 2/3 wire Transmitter repeater | ATEX Approved | FSM Approved |
MTL4544A | Analogue Input | 2ch Transmitter repeater, passive input | ATEX Approved | FSM Approved |
MTL4544AS | Analogue Input | 2ch Transmitter repeater, passive input, current sink | ATEX Approved | FSM Approved |
MTL4544B | Analogue Input | MTL4044 replacement | ATEX Approved | FSM Approved |
MTL4544D | Analogue Input | 2/3 wire transmitter repeater, dual output | ATEX Approved | FSM Approved |
MTL4544S | Analogue Input | 2ch 2/3 transmitter repeater, current sink | ATEX Approved | FSM Approved |
MTL4546 | Analogue Output | 1ch 4-20mA smart isolating driver + LFD | ATEX Approved | FSM Approved |
MTL4546C | Analogue Output | 1ch 4-20mA smart isolating driver + oc LFD | ATEX Approved | FSM Approved |
MTL4546S | Analogue Output | 1ch 4-20mA HART isolating driver + LFD | ATEX Approved | |
MTL4546Y | Analogue Output | 1ch 4-20mA smart isolating driver + oc LFD | ATEX Approved | FSM Approved |
MTL4549 | Analogue Output | 2ch 4-20mA smart isolating driver + LFD | ATEX Approved | FSM Approved |
MTL4549C | Analogue Output | 2ch 4-20mA smart isolating driver + oc LFD | ATEX Approved | FSM Approved |
MTL4549Y | Analogue Output | 2ch 4-20mA smart isolating driver + oc LFD | ATEX Approved | FSM Approved |
MTL4573 | Temperature Input | 1ch Temperature converter, RTD / THC | ATEX Approved | |
MTL4575 | Temperature Input | 1ch Temperature converter, RTD / THC with alarm | ATEX Approved | |
MTL4576-RTD | Temperature Input | 2ch Temperature converter, RTD | ATEX Approved | |
MTL4576-THC | Temperature Input | 2ch Temperature converter, THC | ATEX Approved | |
MTL4581 | Temperature Input | 1ch mV/THC isolator for low-level signals | ATEX Approved | |
MTL4582B | Temperature Input | 1ch resistance isolator to repeat RTD signals | ATEX Approved | FSM Approved |
MTL4531 | Pulse and Vibration | 1ch vibration probe interface | ATEX Approved | FSM Approved |
MTL4532 | Pulse and Vibration | 1ch pulse isolator, digital or analogue output | ATEX Approved | |
MTL4561 | Fire and Smoke | 2ch loop-powered, for fire and smoke detectors | ATEX Approved | FSM Approved |
MTL4599 | General | Dummy isolator | ||
MTL4599N | General | General purpose feed-through module |
About Eaton MTL Instruments
Eaton is a global power management company and a leading supplier of explosion-proof and hazardous area solutions. Through its Crouse-Hinds / CEAG and MTL Instruments product lines, Eaton provides certified lighting, power distribution, control and intrinsic safety systems for Zone 0, 1, 2, 21 and 22 hazardous environments.
Eaton solutions are widely applied in oil and gas, petrochemical, chemical, pharmaceutical and heavy industrial facilities where safety, reliability and international compliance are essential.
Viet Thang Loi Technology Company Limited is the official authorized distributor in Vietnam for Eaton MTL Instruments and Eaton Crouse-Hinds / CEAG, providing genuine products, technical consulting and after-sales services for explosion-proof and hazardous area projects.
