Specifications

Simplex, Inc., 5300 Rising Moon Road, Springfi eld, IL 62711-6228 • 217-483-1600 • Fax [phone]
Merlin-150-300c.indd • © 2011 Simplex, Inc. All Rights Reserved. • Printed in the USA. • www.simplexdirect.com
LOAD BANK MANUAL • Merlin 150-300 Load Bank • page 14 of 15
APPENDIX C - TORQUE VALUES
FAN BLADES
FAN TORQUE
PART NO. BOLT SIZE FT LBS // IN LBS
13820000 SET SCREW 11.7 // 140
13820500 SET SCREW 11.7 // 140
13821000 SET SCREW 8.3 // 100
13822000 1/4 — 20 7.5 // 90
13823000 1/4 — 20 7.5 // 90
13824000 1/4 — 20 7.5 // 90
13825100 1/4 — 20 7.5 // 90
13826000 1/4 — 20 7.5 // 90
13827500 5/16” 13 // 156
13827600 5/16” 13 // 156
13828000 3/8” 24 // 288
MOTORS, BRACKETS, BUS BAR CONNECTIONS
BOLT/NUT TORQUE
SIZE GRADE FT LBS // IN LBS
.250 (1/4-20) Grade 5, dry 8 // 96
.250 (1/4-20) Grade 2, dry 5.5 // 66
.312 (5/16) Grade 5, dry 17 // 204
.312 (5/16) Grade 2, dry 11 // 132
.375 (3/8) Grade 5, dry 30 // 360
.375 (3/8) Grade 2, dry 20 // 240
.437 (7/16) Grade 5, dry 50 // 600
.437 (7/16) Grade 2, dry 30 // 360
.500 (1/2) Grade 5, dry 75 // 900
.500 (1/2) Grade 2, dry 50 // 600
.562 (9/16) & up Grade 5, dry 110 // 1320
.562 (9/16) & up Grade 2, dry 70 // 840
CONTACTORS
See torque values on the front of the contactor.
ELEMENTS/TRAYS
TERM/NUT TORQUE
SIZE INCH LBS
#6 Rod ends 4
#10 Element Conn. 20
1/4-20 High Voltage Contact Simplex
MAIN LOAD BLOCKS- ALL SIZES
WIRE TORQUE
CONNECTION SIZE FT LBS // IN LBS
LOAD SIDE 4-14AWG 2.9 // 35
LINE SIDE 500MCM-4/0 31 // 375
3/0-4/0 20 // 240
2/0-6AWG 10 // 120
8AWG 3.3 // 40
CIRCUIT BREAKERS
WIRE TORQUE
STYLE SIZE INCH LBS
Cutler-Hammer 14-10 AWG 20
1-Phase
8 AWG 25
6-4 AWG 27
3-1/0 AWG 45
Merlin Gerin 14-1/0 50
3-Phase