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mtl5541 Intrinsically Safe 4–20mA HART Galvanic Isolator

Specifications

Model Number :

mtl5541

Current Limit :

48mA minimum

Payment Terms :

T/T,Allipay,paypal

Low Power :

Battery-powered devices

Signal Range :

4 to 20mA

Price :

Negotiable

Relay Type :

Single pole, changeover contacts

Supply Ability :

100pcs per month

Resistance :

No resistance introduced into loop

Brand Name :

MTL

MOQ :

Packaging Details :

carton

Fuse Rating :

100 mA

Communications Supported :

HART terminals 1 & 2 only

Certification :

ATEX

Place of Origin :

India

Power Supply :

AC or DC power supply

Description

mtl5541 Intrinsically Safe 4–20mA HART Galvanic Isolator

Description:

Manufacturer : MTL

Product No. : MTL5531

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Reliable Industrial Component Sourcing for Enterprises

This industrial automation component is supplied for enterprise procurement .Made-to-order and forward delivery are supported, with pricing quoted per inquiry.

To reduce sourcing risk, each order is handled individually with support for model confirmation, condition clarification, and lead time estimation before order placement. Clear quotation terms and consistent communication are provided to help partners manage expectations and complete transactions with confidence. Additional verification or clarification is available when required, supporting professional procurement and long-term cooperation.

The MTL MTL5541 is a compact single-channel galvanic isolator within the MTL5500 DIN rail series, manufactured by Eaton MTL Instruments. It powers and repeats signals from 2-wire and 3-wire 4–20mA field transmitters installed in explosive hazardous zones, delivering isolated analog output to safe-side DCS, PLC and recording systems while supporting full bi-directional HART digital communication for smart transmitter configuration and diagnosticsEaton.

This unit provides complete galvanic isolation between hazardous field circuit, safe control circuit and 24V DC power supply to eliminate ground loop noise and transient cross-coupling. It supplies a stable 16.5V loop voltage to field transmitters at 20mA signal, with ultra-fast 50µs response time and high transfer accuracy. Fully certified Ex ia intrinsic safety allows direct installation in Zone 0 / Class I Div 1 hazardous locations, and assessed per IEC 61508 for SIL 2 safety instrumented system deployment. The slim 16mm narrow housing enables high-density cabinet stacking for multi-loop process measurement racks across oil & gas, chemical, pharmaceutical and wastewater facilities.

Detail:

Parameter Item	Official MTL5541 Datasheet Standard Value
Full Model Code	MTL5541 (T / S variants available)
Brand Manufacturer	MTL Instruments (Eaton Crouse-Hinds)
Channel Quantity	Single channel for 2/3-wire transmitters
Hazardous Side Input Range	0–24 mA (4–20mA nominal measuring window)
Transmitter Supply Voltage @ 20mA	16.5 V DC steady loop power
Safe Side Output Signal	Repeated 0–24 mA (4–20mA standard process signal)
Max Safe Side Load Resistance (MTL5541-T)	0–450 Ω @ 20mA; 0–360 Ω @ 24mA
Max Sink Load (MTL5541-S current sink version)	600 Ω
Transfer Accuracy (20 °C ambient)	Better than ±15 µA
Temperature Drift Coefficient	< 0.8 µA / °C
Output Ripple Noise	< 50 µA peak-to-peak
Signal Response Time	Settles within 10% of final value in 50 µs
Digital Communication Support	Bi-directional HART protocol (terminals 1 & 2)
HART Bandwidth Compatibility	500 Hz – 10 kHz superimposed digital signals
Supply Operating Voltage Range	20 V DC – 35 V DC (nominal 24 V DC)
Max Current Consumption (24 V, 20mA signal)	51 mA
Max Internal Power Dissipation	0.7 W @ 24 V DC
Galvanic Isolation Rating	253 V rms / DC between hazardous and safe circuits

Specification Category	Detailed Technical Data
Mounting Standard	EN 60715 35 mm standard T-section DIN rail
Module Outer Dimensions (W × H × D)	16 mm × 121 mm × 108 mm slim compact housing
Single Unit Net Weight	150 g
Housing Material	Flame-retardant yellow thermoplastic polymer
Wiring Termination	Screw clamp terminals, accepts up to 2.5 mm² cable conductors
Status Indicator	Green LED power supply status light
Continuous Operating Ambient Temperature	-20 °C ~ +60 °C
Storage Temperature Range	-40 °C ~ +80 °C
Intrinsic Safety Certifications	ATEX Ex ia IIC T4–T6, IECEx, FM Class I Div 1 / Div 2
Hazardous Zone Compatibility	Zone 0, Zone 1, Zone 2; Gas Groups IIA / IIB / IIC
Intrinsic Safety Entity Parameters	Vo=28 V, Io=93 mA, Po=651 mW, negligible internal capacitance
Functional Safety Rating	IEC 61508 assessed, SIL 2 capable simplex SIS architecture
Industrial Compliance Standards	EN 61010-1 safety, EN 61326-1 EMC immunity, RoHS compliant
Isolation Test Voltage	1500 V rms dielectric withstand between hazardous/safe circuits