Safety 
Information
Product 
information
Mechanical 
Installation
Electrical 
installation
Getting 
started
Basic 
parameters
Running the 
motor
Optimization
SMARTCARD 
operation
Onboard 
PLC
Advanced 
parameters
Technical 
data
Diagnostics
UL 
information
160  Mentor MP User Guide
www.controltechniques.com                     Issue: 3
Table 12-29 Cooper Bussman branch circuit protection fusing for size 2 drives
Table 12-30 Cooper Bussmann DC protection fusing for size 2 drives
 
DC fusing is only required on four quadrant (R) drives.
Model Description Catalogue number
Auxiliary Class CC, 600Vac, 20A Fuse LP-CC-20
MP350A4 MP350A4R
Class L, 600Vac, 900A Fuse KRP-C-900SP
MP350A6 MP350A5R MP350A6R
MP420A4 MP420A4R Class L,600Vac, 1200A Fuse KRP-C-1200SP
MP470A6 MP470A5R MP470A6R
MP550A4 MP550A4R Class L, 600Vac, 1350A Fuse KRP-C-1350SP
MP700A4 MP700A4R
Class L, 600Vac, 1600A Fuse KRPC-1600SP
MP700A6 MP700A5R MP700A6R
MP825A4 MP825A4R Class L, 600Vac, 2000A Fuse KRP-C-2000SP
MP825A6 MP825A5R MP825A6R
MP900A4 MP900A4R Class L, 600Vac, 2000A Fuse KRP-C-2000SP
MP1200A4 MP1200A4R
Class L, 600Vac, 3000A Fuse KRP-C-3000SP
MP1200A6 MP1200A5R MP1200A6R
MP1850A4 MP1850A4R Class L, 600Vac, 4500A Fuse KRP-C-4500SP
MP1850A6 MP1850A5R MP1850A6R
Model Description
Catalogue 
number
Alternative 1 Alternative 2
Description
Catalogue 
number
Description
Catalogue 
number
MP350A4R
1000V, 550A US 
Square Body Fuse
170M8536
1000V, 600A 
North American Fuse
   FWJ - 600
700Vac 450A 
FWP Series Fuse
FWP 450A
MP420A4R
1000V, 800A 
North American Fuse
FWJ-800
700Vac 600A 
FWP Series Fuse
FWP 600A
MP550A4R
1000V, 900A Square 
Body End Contact Fuse
170M6603
1000V, 1000A 
North American Fuse
 FWJ - 1000
700Vac 700A 
FWP Series Fuse
FWP 700A
MP350A5R
MP350A6R
1500V, 630A Square 
Body End Contact Fuse
170M6726
MP470A5R
MP470A6R
1500V, 900A Square 
Body End Contact Fuse
 170M6727
MP700A4R
1000V, 1200A 
North American Fuse
FWJ-1200A
700Vac 900A 
FWP Series Fuse
FWP 900A
MP900A4R
1000V, 1400A 
North American Fuse
FWJ-1400A
700Vac 1200A 
FWP Series Fuse
FWP 1200A
MP700A5R
MP700A6R
1500V, 1260A 
Double Body Fuse
170M6757
MP825A4R
1000V, 1400A 
North American Fuse
FWJ-1400A
700Vac 1200A 
FWP Series Fuse
FWP 1200A
MP825A5R
MP825A6R
1500V, 1260A 
Double Body Fuse
170M6757
MP1200A4R
1000V, 2000A 
North American Fuse
FWJ-2000
2 x 700Vac, 1000A 
FWP Fuses in parallel.
FWP 1000A 
MP1850A4R
1000V, 3000A 
End Contact Fuse
170M7680
2 x 700Vac, 1200A 
FWP Fuses in parallel.
FWP 1200A
MP1200A5R
MP1200A6R
1400V, 2000A Square 
Body End Contact Fuse
170M8112
MP1850A5R
MP1850A6R
1400V, 3000A Square
 Body End Contact Fuse
170M8163