3.6.5
Torque Requirements for Power Wiring Terminations
24
3 - INSTALLATION
Wire size installed in conductor
Tightening torque, pound-inches (N-m)
Slotted head NO. 10 and larger
Hexagonal head-external drive socket
wrench
AWG or kcmil
(mm
2
)
Slot width-0.047 inch
(1.2mm) or less and
slot length ¼ inch
(6.4mm) or less
Slot width-over 0.047
inch (1.2mm) or slot
length – over ¼ inch
(6.4mm) or less
Split- bolt connectors
Other connectors
18 – 10
(0.82 – 5.3)
20
(2.3)
35
(4.0)
80
(9.0)
75
(8.5)
8
(8.4)
25
(2.8)
40
(4.5)
80
(9.0)
75
(8.5)
6 – 4
(13.3 – 21.2)
35
(4.0)
45
(5.1)
165
(18.6)
110
(12.4)
3
(26.7)
35
(4.0)
50
(5.6)
275
(31.1)
150
(16.9)
2
(33.6)
40
(4.5)
50
(5.6)
275
(31.1)
150
(16.9)
1
(42.4)
—
—
50
(5.6)
275
(31.1)
150
(16.9)
1/0 – 2/0
(53.5 – 64.4)
—
—
50
(5.6)
385
(43.5)
180
(20.3)
3/0 – 4/0
(85.0 – 107.2)
—
—
50
(5.6)
500
(56.5)
250
(28.2)
250 – 350
(127 – 177)
—
—
50
(5.6)
650
(73.4)
325
(36.7)
400
(203)
—
—
50
(5.6)
825
(93.2)
375
(36.7)
500
(253)
—
—
50
(5.6)
825
(93.2)
375
(42.4)
600 – 750
(304 – 380)
—
—
50
(5.6)
1000
(113.0)
375
(42.4)
800 – 1000
(406 – 508)
—
—
50
(5.6)
1100
(124.3)
500
(56.5)
1250 – 2000
(635 – 1010)
—
—
—
—
1100
(124.3)
600
(67.8)
z
NOTE
– For a value of slot width or length not corresponding to those specified above, the largest torque value associated with
the conductor size shall be marked. Slot width is the nominal design value. Slot length is measured at the bottom of the slot.
Table 10: Slotted Screws and Hex Bolts
Socket size across flats
Tightening torque
inches
(mm)
Pound-inches
(N-m)
1/8
(3.2)
45
(5.1)
5/32
(4.0)
100
(11.3)
3/16
(4.8)
120
(13.6)
7/32
(5.6)
150
(16.9)
1/4
(6.4)
200
(22.6)
5/16
(7.9)
275
(31.1)
3/8
(9.5)
275
(42.4)
1/2
(12.7)
500
(56.5)
9/16
(14.3)
600
(67.8)
z
NOTE
– For screws with multiple tightening means, the largest torque value associated with the conductor size
shall be marked. Slot length shall be measured at the bottom of the slot.
Table 11: Tightening Torque for Inside Hex Screws
Summary of Contents for RediStart EXEXMVRMX3 Series
Page 2: ......
Page 10: ......
Page 11: ...1 Introduction 1...
Page 17: ...2 Technical Specifications 7...
Page 27: ...3 Installation 17...
Page 48: ......
Page 49: ...4 Keypad Operation 39...
Page 59: ...5 Parameter Groups 49...
Page 67: ...6 Parameter Description 57...
Page 122: ...NOTES 112 6 PARAMETER DESCRIPTION...
Page 123: ...7 Theory of Operation 113...
Page 155: ...NOTES 145 7 THEORY OF OPERATION...
Page 156: ...146 7 THEORY OF OPERATION...
Page 157: ...8 Troubleshooting Maintenance 147...
Page 185: ...NOTES 175 8 TROUBLESHOOTING MAINTENANCE...
Page 186: ......
Page 187: ...Appendices 177...
Page 213: ...203 APPENDIX H 3 YEAR WARRANTY...
Page 221: ...Publication History Revision Date ECO 00 12 15 06 Initial Release...
