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Installation
Fuses
Fuses (switches are supplied without fuses)
Install the fuses to the fuse base. Follow the instructions of the
fuse supplier. Standard delivery is with fuse bases suitable for
Class H, K and R fuses. Rejection members are available as
optional accessories for use with Class R fuses. The rejection
members for class R fuse clips prevent any other class of fuses
from being installed.
For 200 A, 400 A and 600 A safety switches are suitable also
for class J fuses. For 600 A safety switch theJ-fuse mounting
bolt kits (included) are needed and the original fuse clips have
to be removed. Mounting torque for the J-fuse mounting bolts
is 442,5 lbs.in / 50 Nm. If class J fuses are used, the fuse
base has to be moved in all these safety switches closer to the
switch. The threaded holes to mount fuse base for class R, J
and T fuses are ready made in the enclosure. Tighten fuse base
screws to torque of 29 lbs.in (3.3 Nm) in switch sizes 200 A /
400 A and to torque of 88.5 lbs.in (10 Nm) in switch size 600 A.
In 200 A and 400 A safety switches also class T fuses can be
used. When using class T fuses the original fuse clips have to
be removed and the optional bolt kits are needed. Class R fuse
rejection member has to be removed when using class T fuses.
Fuses
Switch size
Fuse size
Fuse type RK1
200 A
125...200 A
400 A
250...400 A
600 A
600 A
Fuse type RK5
200 A
125...200 A
400 A
250...400 A
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
See general safety instructions on page 1/2 before proceeding.
Failure to follow these instructions will result in death or serious injury.
Instruction Bulletin EOH364/5/6JK/RK/S/SS, 1SCC340032M1401 / A | Installation 1/15
A
Dimensions
A [in]
B [in]
A [mm]
9.63
1.61
255.5
11.63
2.36
295.3
13.38
2.88
339.7
9.63
1.84
255.5
11.63
2.59
295.3
1
B
B [mm]
42.2
60.5
73.2
46.7
65.8
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