Modular Supports System Product Technical Guide June 2026 | Page 134

Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.4 MT Splice Connectors
MT-ES-60
Description
Extension splice for channel. Can be installed with Twist Lock bolts into the channel opening or MT-CTAB screw and an M10 nut on the channel face.
Material Specifications
Standard 1 Grade 1 F y, ksi( MPa) F u, ksi( MPa)
GB / T 700 Q235 B 34.08( 235) 53.66( 370)
1 Mechanical properties of GB / T 700 Grade Q235 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 33.
Corrosion Protection
Description
Environmental Conditions
MT-ES-60
Dry indoor conditions( C1)
Indoor with temporary condensation( C2)
MT-ES-60 OC
Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information
Description
Weight Per
Piece, lbs( kg)
Quantity
Piece( s)
Item No.
MT-ES-60
5.45( 2.47)
8
2322415
MT-ES-60 OC 5.45( 2.47) 8 2322416
mm( in)
Figure 84 – Splice Extension for MT Channel
Table 270- Allowable Strength Design( ASD) Load Data 1, 2, 3
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
2,320( 10.33)
200( 0.90)
1,655( 7.37)
1 Minimum safety factor, Ω, for tabulated values is 2.6.
2 Multiply tabulated values by 1.5 to obtain minimum Load and
Resistance Factor Design( LRFD) values.
3 See Figure 84.
Table 271- Limit State Design( LSD) Load Data 1, 2
A.
MT-60 Figure 85 – Splice Extension for MT Channel
Fx Fy
lb( kN)
lb( kN)
lb( kN)
3,230
265
2,300
( 14.37)
( 1.19)
( 10.24)
1 Maximum resistance factor, φ, for tabulated values is 0.55.
2 See Figure 84.
Table 272- Allowable Strength Design( ASD) Load Data 1, 2, 3
Fz
A. MT-60
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
835
( 3.72)
80
( 0.37)
1,320
( 5.88)
1 Minimum safety factor, Ω, for tabulated values is 2.65.
2 Multiply tabulated values by 1.5 to obtain minimum LRFD values.
3 See Figure 85.
Table 273- Limit State Design( LSD) Load Data 1, 2
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
1,055
( 4.70)
95
( 0.44)
1,705
( 7.59)
1 Maximum resistance factor, φ, for tabulated values is 0.5.
2 See Figure 85.
133