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Publication 1756-PC018C-EN-P - July 2016

PN-330371 

Supersedes Publication 1756-PC018B-EN-P - March 2015

Copyright © 2016 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.

Allen-Bradley, ControlLogix, and Rockwell Automation are trademarks of Rockwell Automation, Inc.

Trademarks not belonging to Rockwell Automation are property of their respective companies.

Rockwell Otomasyon Ticaret A.Ş., Kar Plaza İş Merkezi E Blok Kat:6 34752 İçerenköy, İstanbul, Tel: +90 (216) 5698400

Rockwell Automation maintains current product environmental information on its website at 

http://www.rockwellautomation.com/rockwellautomation/about-us/sustainability-ethics/product-environmental-compliance.page

.

Specifications

Additional Resources

These resources contain information about related products from Rockwell Automation.

You can view or download publications at

 http:/www.rockwellautomation.com/literature/

. To order paper copies of technical documentation, contact your local Allen-Bradley distributor or Rockwell Automation sales representative.

Attribute

1756-L71, 1756-L71K, 1756-L72, 1756-L72K, 1756-L73, 1756-L73K, 1756-L74, 1756-L74K, 1756-L75, 1756-L75K 

Input and current ratings

1.2V DC: 5 mA, 5.1V DC: 800 mA

Power dissipation

2.5 W

Thermal dissipation

8.5 BTU/hr

Temperature, operating

• IEC 60068-2-1(Test Ad, Operating Cold)
• IEC 60068-2-2 (Test Bd, Operating Dry Heat)
• IEC 60068-2-14 (Test Nb, Operating Thermal Shock)

0 °C< Ta < +60 °C (+32 °F< Ta < +140 °F)

Temperature, surrounding air, max

60 °C (140 °F) 

Enclosure type rating

None (open-style)

Isolation voltage

30V (continuous), basic insulation, USB port to backplane

North American Temp Code

T4 A

ATEX Temp Code

T4

IECEx Temp Code

T4

Attribute

1756-L73XT

Input and current ratings

1.2V DC: 5 mA, 5.1V DC: 800 mA

Power dissipation

2.5 W

Thermal dissipation

8.5 BTU/hr

Temperature, operating

• IEC 60068-2-1(Test Ad, Operating Cold)
• IEC 60068-2-2 (Test Bd, Operating Dry Heat)
• IEC 60068-2-14 (Test Nb, Operating Thermal Shock)

-25°C< Ta < +70 °C (-13 °F< Ta < +158 °F)

Temperature, surrounding air, max

70 °C (158 °F) 

Enclosure type rating

None (open-style)

Isolation voltage

30V (continuous), basic insulation, USB port to backplane

North American Temp Code

T4 A

ATEX Temp Code

T4

IECEx Temp Code

T4

Attribute

1756-ESMCAP, 1756-ESMNRM, 1756-ESMCAPK, 
1756-ESMNRMK

1756-ESMNSE, 
1756-ESMNSEK

1756-ESMCAPXT, 1756-ESMNRMXT 

1756-ESMNSEXT

Input and current ratings

5.1V DC: 330 mA

5.1V DC: 300 mA

5.1V DC: 330 mA

5.1V DC: 300 mA

Temperature, operating

• IEC 60068-2-1(Test Ad, Operating Cold)
• IEC 60068-2-2 (Test Bd, Operating Dry Heat)
• IEC 60068-2-14 (Test Nb, Operating Thermal Shock)

0 °C< Ta < +60 °C (+32 °F< Ta < +140 °F)

-25°C< Ta < +70 °C (-13 °F< Ta < +158 °F)

Temperature, surrounding air, max

60 °C (140 °F) 

70°C (158 °F) 

Enclosure type rating

None (open-style)

North American Temp Code

T4 A

ATEX Temp Code

T4

IECEx Temp Code

T4

Resource

Description

1756 ControlLogix Controllers Specifications Technical Data, publication 

1756-TD001

Contains technical specifications, environmental specifications, and certifications for ControlLogix controllers.

1756 ControlLogix Controllers User Manual, publication 

1756-UM001

Describes how to configure and use ControlLogix controllers.

Industrial Automation Wiring and Grounding Guidelines, publication 

1770-4.1

Provides general guidelines for installing a Rockwell Automation industrial system.

Product Certifications website, 

http://www.ab.com

Provides declarations of conformity, certificates, and other certification details.

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