329A
www.southco.com/E6
Part Number Symmetric Torque Nm (inlbf)
Thru-Hole Mounting Thread Stud Mounting Symmetric Torque N•m (in•lbf)
E6-40-537S-20 E6-45-537S-20 4.18 (37)
40 Series: Simplified torque mechanism providing a single, standard operating effort
Other options available. For complete details
on variety, part numbers, installation and
specification, go to
E6 Hinge
Position control · Constant torque · Plastic
• Holds in every position
• No adjustment required
• Long cycle life
• Corrosion resistant
• Multiple mounting options
• Concealed mounting
hardware
Material and Finish
40 Series: Nylon,
black, stainless steel
50 Series: Nylon, steel, anodized
aluminum
Performance Details
Cycle performance
20,000 cycles, see trade drawing
for details
Radial load:
Max. static load: 200 N (45 lbf)
Average ultimate load:
1500 N (335 lbf)
Axial load:
Max. static load: 200 N (45 lbf)
Average ultimate load:
2500 N (560 lbf)
Part Number
See table
Symmetric Torque Versions
Part Number Static Torque (forward and reverse)
N•m (in•lbf)
Thru-Hole Mounting Thread Stud Mounting
E6-50-535S-XX E6-55-535S-XX 3.95 (35)
E6-50-530S-XX E6-55-530S-XX 3.39 (30)
E6-50-525S-XX E6-55-525S-XX 2.82 (25)
E6-50-520S-XX E6-55-520S-XX 2.26 (20)
E6-50-515S-XX E6-55-515S-XX 1.69 (15)
50 Series: Constant torque mechanism providing customizable, precise operating efforts
XX Color
20 Black
10 White
19.1
(.750)
47.6
±0.2
(
1.870
±.010)
4x Ø
6.7
(
.265
)
38.2
±0.2
(
1.500
±.010)
+0.1
-0.0
+.005
-.000
Axial
Radial
67.5 (2.66)
47.8 (1.88)
57.4
(2.26)
38.2
(1.50)
19.1
(.75)
4X Ø 6.5
(.26)
4X Counterbore Ø 12.3 (.48)
16.5
(.65)
8
(.32)
R
E
V
E
R
S
E
R
O
T
A
T
I
O
N
F
O
R
W
A
R
D
R
O
T
A
T
I
O
N
67.5 (2.66)
47.8 (1.88)
57.4
(2.26)
38.2
(1.50)
19.1
(.75)
4X Ø 6.5
(.26)
4X Counterbore Ø 12.3 (.48)
Thru-Hole Version Thru-Hole Version
Asymmetric Torque Versions
Part Number Forward Torque
N•m (in•lbf)
Reverse Torque
N•m (in•lbf)
Thru-Hole Mounting Thread Stud Mounting
E6-50-540F-XX E6-55-540F-XX 4.52 (40) 3.16 (28)
E6-50-535F-XX E6-55-535F-XX 3.95 (35) 2.77 (24.5)
E6-50-530F-XX E6-55-530F-XX 3.39 (30) 2.37 (21)
E6-50-525F-XX E6-55-525F-XX 2.82 (25) 1.98 (17.5)
E6-50-520F-XX E6-55-520F-XX 2.26 (20) 1.58 (14)
E6-50-515F-XX E6-55-515F-XX 1.69 (15) 1.19 (10.5)
E6-50-540R-XX E6-55-540R-XX 3.16 (28) 4.52 (40)
E6-50-535R-XX E6-55-535R-XX 2.77 (24.5) 3.95 (35)
E6-50-530R-XX E6-55-530R-XX 2.37 (21) 3.39 (30)
E6-50-525R-XX E6-55-525R-XX 1.98 (17.5) 2.82 (25)
E6-50-520R-XX E6-55-520R-XX 1.58 (14) 2.26 (20)
E6-50-515R-XX E6-55-515R-XX 1.19 (10.5) 1.69 (15)
M6 Thread
Dimensions in millimeters (inch) unless otherwise stated