Installation Instructions for Bulletin 1495 Protective Fuse Cover for use with
Separately Mounted 1491-N621 or 1491-R621 (600 A) Fuse Block Kits
(Cat 1495-N69)
WARNING
To prevent electrical shock, disconnect from power source before installing or servicing. Auxiliary contacts
commonly control separate sources of power. Be sure they and all sources of power are disconnected. The
procedures outlined below should only be performed by qualified personnel familiar with the operation of the
equipment in which the switch is mounted.
Bulletin 500 Line Combination Starter and Bulletin 1494G Safety Switch
1
Locate and drill holes for protective fuse cover
600 A Fuses
A
250V Class H, R
8-1/8”
600V Class H, R
11-1/8”
4-1/2”
1-7/16”
1-1/2”
3-1/2”
A
14”
7”
Optional
Mounting
Holes
3-1/2”
+.002
4”
5”
5”
17-1/8”
2
(4) - .218 -.001 Dia.
Holes for #1/4 - 20
Thread Forming Screws
Install protective fuse cover.
45 - 50 lb-in
PN-39671
DIR 10000033845 (Version 00)
Printed in U.S.A.
Bulletin 1494 Line Protective Switch Cover Installation
1
Remove break away supports on both sides of protective switch cover.
1
2
2
Install protective switch cover over protective fuse cover.
1
Cat 1495-N61
2
Cat 1495-N69
PN-39671
DIR 10000033845 (Version 00)
Bulletin 1491 Separately Mounted Fuse Block Protective Fuse Cover Installation
1
Locate and drill holes if fuse blocks are not located directly
under the disconnect switch.
5/16”
3-1/2”
A
14”
7”
Optional
Mounting
Holes
3-1/2”
+.002
4”
5”
5”
17-1/8”
PN-39671
DIR 10000033845 (Version 00)
(4) - .218 -.001 Dia.
Holes for #1/4 - 20
Thread Forming Screws
600 A Fuses
A
250V Class H, R
8-1/8”
600V Class H, R
11-1/8”
Bulletin 1491 Separately Mounted Fuse Block Protective Fuse Cover Installation (Continued)
2
Install protective fuse cover.
45 - 50 lb-in
PN-39671
DIR 10000033845 (Version 00)
Printed in U.S.A.