AT20 PRO BRECOprotect® Open Length (M)/Joined (V)

AT20 PRO BRECOprotect® Open Length (M)/Joined (V)

Polyurethane, Steel reinforced, extruded open length & joined – High Power AT Profile in metric pitch with trapezoidal tooth form.

BRECOprotect®
AT20 PRO
Belt widths b (mm)
25 50 75 100
AT20 PRO (M/V) Available lengths and versions
Standard delivery lengths (M) 50 m – roll
Cut to lengths/lengths > 100m On request
Minimum length joined (V) 1260mm
Standard material TPUAU1
Belt colour Blue
Belt widths Only belt widths listed
in the table available

Drive Type A

Type A M V
Zmin 18 18
dmin 120 120

Zmin = Minimum number of teeth.

Drive Type B

Type A M V
Zmin 25 25
dmin 180 180

dmin = Minimum diameter (mm)

Calculation as per specifications for BRECO® M and BRECO® V timing belts.

AT20 PRO (M/V) Admissible tension cord strength Fadm/Specific elasticity/Belt weight
Belt widths b (mm) 25 50 75 100
M Steel tension member Fadm (N) 5600 11200 16800 22400
Specific elasticity Cspec (N) 1.4-106 2.8-106 4.2-106 5.6-106
V Steel tension member Fadm (N) 2800 5600 8400 11200
Belt weight Standard kg/m 0.240 0.480 0.720 0.960