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Publication 20A-IN010B-EN-P

4

PowerFlex 70 Power Jumpers

Jumper Settings and Locations

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Code

Factory Default Jumper Settings

Power Source Type

MOV/Input Filter 
Caps

DC Bus Common 
Mode Caps

A

B
C
D
E

JP2/JP3
Installed

Not Applicable

Solid Ground 
Insert jumper at the “JP2/JP3” location.

Non-Solid Ground
Remove the jumper at “JP2/JP3.”

B

B
C
D
E

JP2/JP3
Installed

JP5/JP6 
Installed

Important: The Internal EMC Filter (input filter) 
is a factory installed option on Frame B drives. If 
the option is installed, the drive cannot be used 
on a non-solid ground power source.
To verify: an extra “R, S, T” terminal block will be 
present if the option is installed (as shown). 
Additionally, the 13th character of the nameplate 
catalog number will be an “A” (see 

page 3

). 

Solid Ground
Jumpers should be installed at both locations 
(JP2/JP3 and JP5/JP6).

Non-Solid Ground
Remove the jumpers at “JP2/JP3” and “JP5/
JP6.” In addition, verify that the Input Filter 
option is not installed.

C

B
C
D
E

JP2/JP3
Installed

JP3A/JP3B 
Installed

Solid Ground
Jumpers should be installed at both locations 
(JP2/JP3 and JP3A/JP3B).

Non-Solid Ground
Remove the jumpers at “JP2/JP3” and “JP3A/
JP3B.”

JP3

JP2

MOV

JP3

JP2

JP5

JP6

MOV

CM Cap

L1

R

L2

S

L3

T

BR1
+DC

L1

R

L2

S

L3

T

Input Filter

Option 

JP6

JP5

JP3

JP2

MOV

CM Cap

L1

R

L2

S

L3

T

BR1
+DC

L1

R

L2

S

L3

T

Input Filter

Option 

or

JP3

JP2

JP3A

JP3B

MOV / Filter Cap

CM Cap

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