Installation Instructions
CENTERLINE Motor Control Centers External Auxiliary Contact
Kit for 0.5 Space Factor Circuit Breaker Units
Catalog Numbers 2100H-N18A, 2100H-N18B
Topic
Additional Resources
Page
Additional Resources
1
About The Auxiliary Contact Adapter
2
Required Tools
2
Install the Auxiliary Contact Adapter
2
These documents contain additional information concerning related products
from Rockwell Automation.
Resource
Description
CENTERLINE 2100 Motor Control Centers, publication
2100-IN012
Provides General Instructions for CENTERLINE® 2100 MCC
Units.
Product Certifications website, http://www.ab.com
Provides declarations of conformity, certificates, and other
certification details.
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.
CENTERLINE Motor Control Centers External Auxiliary Contact Kit for 0.5 Space Factor Circuit Breaker Units
About The Auxiliary Contact
Adapter
Kits 2100H-N18A and 2100H-N18B contain parts to install external auxiliary
contacts in units that are the following:
• 0.5 space factor.
• Have one of the following Cutler-Hammer Westinghouse circuit
breakers(1): GCH, GHC, GMCP, HMCP, FD, FDB, FDB-LFD, FDC,
HFD, HMCP250, JD, JDC, HJD.
• Bulletin 2100 Series P…Y.
ATTENTION: De-energize all power sources before installing auxiliary contact.
Failure to de-energize all power sources can result in severe injury or death.
Required Tools
You need a Phillips head screwdriver and a flat head screwdriver to complete
the installation.
Install the Auxiliary Contact
Adapter
Follow these steps and refer to Assembly of External Auxiliary Contact Parts
to install the auxiliary contact adapter.
TIP
These external auxiliary contacts are actuated by the unit
operating handle only, and will not reflect a circuit breaker trip
1. Remove the unit from the section before attempting to install the auxiliary
contacts.
For instructions on removing the unit, refer to Installing Units With
Horizontal Operating Handles, publication 2100-IN060, and reverse the
order of the steps.
2. Verify the parts list, see Assembly of External Auxiliary Contact Parts.
3. Attach the external auxiliary contact assembly to the handle mounting
plate using two #8-32 x 0.38 thread forming screw.
4. Torque to 20 lb•in (2.2 N•m).
5. Turn the operator handle to the ON/I position to ensure that the auxiliary
contacts change state.
6. Check continuity to ensure proper operation of the auxiliary contacts.
(1) These circuit breakers are available for Bulletin 2100 Series Y and earlier motor control centers.
2
Rockwell Automation Publication 2100-IN001C-EN-P - April 2014
CENTERLINE Motor Control Centers External Auxiliary Contact Kit for 0.5 Space Factor Circuit Breaker Units
Figure 1 - Assembly of External Auxiliary Contact Parts
Auxiliary Contact
Assembly
Parts List
(1) Auxiliary Contact Assembly
(1) Actuator Arm
(3) #8-32 x 0.38 screw
#8-32 x 0.38 screw
Actuator Arm
Mounting Location
‘G’ Circuit Breakers
Mounting Location
‘F’, ‘J’ Circuit Breakers
Handle Mounting
Plate
Handle Operator
Link
Note: Unit mounting plate and devices have
been omitted in this drawing for clarity.
Rockwell Automation Publication 2100-IN001C-EN-P - April 2014
3
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In addition, we offer multiple support programs for installation, configuration, and troubleshooting. For more
information, contact your local distributor or Rockwell Automation representative, or visit
http://www.rockwellautomation.com/services/online-phone.
Installation Assistance
If you experience a problem within the first 24 hours of installation, review the information that is contained in this
manual. You can contact Customer Support for initial help in getting your product up and running.
United States or Canada
1.440.646.3434
Outside United States or Canada
Use the Worldwide Locator at http://www.rockwellautomation.com/rockwellautomation/support/overview.page, or contact your
local Rockwell Automation representative.
New Product Satisfaction Return
Rockwell Automation tests all of its products to help ensure that they are fully operational when shipped from the
manufacturing facility. However, if your product is not functioning and needs to be returned, follow these procedures.
United States
Contact your distributor. You must provide a Customer Support case number (call the phone number above to obtain one) to your
distributor to complete the return process.
Outside United States
Please contact your local Rockwell Automation representative for the return procedure.
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document, complete this form, publication RA-DU002, available at http://www.rockwellautomation.com/literature/.
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Allen-Bradley, Rockwell Software, Rockwell Automation, and CENTERLINE are trademarks of Rockwell Automation, Inc.
Trademarks not belonging to Rockwell Automation are property of their respective companies.
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Publication 2100-IN001C-EN-P - April 2014
Supersedes Publication 2100-IN001B-EN-P - March 2014
Copyright © 2014 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.