Rockwell Automation 140U-xxx User Manual
Installation Instructions
Bulletin 140U / 140UE / 140M Rotary Operating Mechanism Kit
for H-Frame Circuit Breaker
(Cat 140U-H-_ _ _)
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.
Operating Mechanism Installation
1
3 4
Place both handles
in OFF position
Remove wire tie
after installation
Remove covers to access breaker thermal adjustment and
push-to-trip switch.
2
1
Twist
2
Test for full range of motion
Trip
ON/I
ON/I
Reset
OFF/O
Reset
OFF/O
Trip
Customer supplied
safety wire
Bulletin 140U / 140UE / 140M Rotary Operating Mechanism Kit for H-Frame Circuit Breaker
2
Operating Shaft Modication and Installation
mm
(in.)
C
C
C
1
116
-
4-19/32
-
21
C
MIN MAX
305
(12)
533
(21)
2
170.2
(6 - 11/16)
170.2
(6 - 11/16)
6.35
(1/4)
Ø 3
(Ø 1/8)
435
(17 - 1/8)
663.6
(26 - 1/8)
3
(1/8)
2
0.9 - 1.1 Nm
(8 - 10 lb-in)
3
1
3
Operating Handle Installation
1 2
1
2
Publication 140U-IN048A-EN-P - January 2013 PN-188949 DIR 10000484337 (Version 00)
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