6
WIRING
• Terminal arrangement of the main circuit terminal
Cable size of the main circuit terminal
Brake Unit Type
Main
Circuit
Ter mi nal
Screw
Size
Crimping
Ter mi nal
Tightening
Tor q ue
(N
• m)
Cable Size
HIV cables,
etc. (mm
2
)
AWG
PVC cables,
etc. (mm
2
)
N/-
P/+, PR
N/-
P/+, PR
N/-
P/+, PR
N/-
P/+, PR
200V
FR-BU2-1.5K/
3.7K
M4 2-4 1.5 2 14 2.5
FR-BU2-7.5K M4 5.5-4 1.5 3.5 12 4
FR-BU2-15K M4 5.5-4 1.5 3.5 12 4
FR-BU2-30K M5 5.5-5 2.5 5.5 10 6
FR-BU2-55K M6 14-6 4.4 14 6 16
400V
FR-BU2-H7.5K M4 2-4 1.5 2 14 2.5
FR-BU2-H15K M4 5.5-4 1.5 3.5 12 4
FR-BU2-H30K M4 5.5-4 1.5 3.5 12 4
FR-BU2-H55K M5 5.5-5 2.5 5.5 10 6
FR-BU2-H75K M6 14-6 4.4 14 6 16
N/-
PR
P/+