Rockwell Automation 1494U-HM1, 1494U-HP1, 1494U-HS1 User Manual
Installation Instructions
Bulletin 1494U Disconnect Handle for Disconnect Switches and Circuit Breakers
(Cat 1494U-HM1; 1494U-HP1; 1494U-HS1)
WARNING: To prevent electrical shock, disconnect from power source before installing or servicing. Follow NFPA 70E requirements. Install in suitable enclosure. Keep free from contaminants.
Installation, adjustments, putting into service, use, assembly, disassembly, and maintenance shall be carried out by suitably trained personnel in accordance with applicable code of practice. In case of malfunction or
damage, no attempts at repair should be made. The product should be returned to the manufacturer for repair. Do not dismantle the product.
Tools
Needed:
#2 PHILLIPS
1-3/32”
MAX.
Locating and Drilling Handle Holes
1
1-3/32”
MAX.
29/32”
MIN.
7/16”
29/32”
MIN.
17/64” (.265”)
and
1/2” (.500”)
* - Only needed for handle cutout
*
*
File
*
AA
2-11/32”
(2) .265 Dia.
Door Catch
Mounting
Bracket
1-5/8”
Right Hand Flange Left Hand Flange
To make slot,
drill 1/2"
diameter holes
and remove burrs
Switch Rating
30A, 60A
100A
200A
Holes
1”
7/8”
1”
Circuit Breaker
1-9/16”
4-11/16”
Frame Size
125A, 150A
250A
400A
A
(MIN)
4-5/8”
5-13/16”
10-1/8”
2-11/32”
Door Catch
Mounting
Bracket
1-5/8”
Notes:
Enclosures with a Flange Thickness less than 3/16" use dimensions shown on this instruction sheet.
·
Enclosures with a Flange Thickness between 3/16" and 1/2” use dimensions in Mounting Kit 1494V-H3.
·
Locating and Installing Door Catch
2
• Door Catch Mounting Bracket is provided with welding projections which can also be drilled out
and used as a guide for locating hole centers in enclosure door.
• Can be used as a template to drill corresponding holes in the enclosure door.
• User to supply the hardware for fastening the bracket.
• The bracket hardware must be inaccessible to unauthorized personnel.
• Fasteners must provide the degree of ingress protection for the environmental rating of the enclosure.
Dimension K (3/4" to 1")
• When using small disconnect handle kit only (1494U-HP1, -HM1 or -HS1), use door catch provided with handle kit.
• When using small disconnect handle kit and small door hardware kits (1494V-L1, -LL1, -L2 or -LL2),
use door catch provided with door hardware kit.
Dimension K (1-1/8" to 1-3/8")
• When using small disconnect handle kit only (1494U-HP1, -HM1 or -HS1),
use door catch (40492-080-02) which can be ordered from factory.
• When using small disconnect handle kit and large door hardware kits (1494V-L3 or -LL3),
use door catch provided with door hardware kit.
TOP VIEW
#2 PHILLIPS
Door Catch
Mounting Bracket
Top
Enclosure Door
Door Catch
Mounting Bracket
Door Catch
Handle Installation
3
Install GASKET
1
E
Flange
Thickness
K
22 - 37 lb-in
Door Catch
C
D
B
2
Enclosure
Base
Install SPRING BRACKET and HANDLE
2
7/16”
30-40 lb-in
B
(MIN)
29/32”
C
(MAX)
D
1-3/32” 1-5/8”
3
#2
PHILLIPS
E
(MIN)
5/8”
Install DEFEATER LEVER
SPRING BRACKET
Rockwell Automation maintains current product environmental information on its website at http://www.rockwellautomation.com/rockwellautomation/about-us/sustainability-ethics/product-environmental-compliance.page.
Allen-Bradley, Rockwell Software, and Rockwell Automation are trademarks of Rockwell Automation, Inc.
Trademarks not belonging to Rockwell Automation are property of their respective companies.
Publication 1494U-IN003A-EN-P - October 2014
7-11 lb-in
Copyright © 2014 Rockwell Automation, Inc. All Rights Reserved. Printed in USA.
DEFEATER LEVER
PN-251879
DIR 10001103125 (Version 00)
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