MTL4851 & MTL4852 HART Multiplexers | Ex Industries

MTL4851 & MTL4852 HART Multiplexers

The Crouse-Hinds series MTL4851 and MTL4852 HART connection system provides a simple interface between smart devices in the field, control systems and HART instrument management software run on a PC.

The system is based on 16-channel modularity to provide a compact, easily configurable and expandable system. Using a standard RS485 serial link, up to 7,936 HART devices can be connected on a single network.

Certifications and compliances

Zone 2 (mounting)
Division 2 (mounting)
ATEX and IECEx
Operating temperature range: -40°C to +60°C
Non-operating temperature range: -40°C to +85°C

Design features

Designed to mount directly to a range of general purpose HART connection units and IS backplanes
Provides a simple interface to smart devices in the field
Connect up to 7,936 HART devices on a single RS485 network
LED indication for fault diagnosis
Auto baud rate detection
Connectivity to HART configuration and Instrument Management Software (IMS)

Ordering Information

For ordering information, please use the link below to visit the resources section for this product family

Brochures

MTL Overview Brochure

(PDF 45 MB , 29/09/2026)

Catalogues

Crouse-Hinds series MTL4851 and MTL4852 HART Multiplexers catalog page

(PDF 1 MB , 14/12/2021)

Certification reports

Crouse-Hinds series MTL HART Multiplexers ATEX Category 3 Certificate of Conformity

(PDF 150 KB , 14/12/2021)

Crouse-Hinds series MTL HART Multiplexers EU Declaration of Conformity

(PDF 190 KB , 14/12/2021)

Crouse-Hinds series MTL4851 and MTL4852 HART Multiplexers IECEx Certificate of Conformity

(PDF 2 MB , 14/12/2021)

Installation instructions

Crouse-Hinds series MTL4851 and MTL4852 HART Multiplexers instruction sheet

(PDF 3 MB , 27/04/2026)

Software, firmware and applications

Crouse-Hinds series MTL Hart Multiplexer DTM software

(ZIP 4 MB , 14/12/2021)

Request a quote

Phone

+1 714-453-2401

Tech support email

mtl@exindustries.com

Location

22755 Savi Ranch Pkwy #F, Yorba Linda, CA 92887