Tension brakes/air cooled, Mistral brakes, Front cover removal – Wichita Clutch 'Mistral' Tension Brake User Manual
Page 2: Integral cooling, Performance curve, Fan data and connection data

C
Tension Brakes/Air Cooled
P-1100-WC 1/12
Wichita Clutch 800-964-3262 103
Front Cover Removal
By removing just three cap screws, the
Mistral’s front cover can be detached for
easy and fast access to internal parts. Cover
re mov al au to mat i cal ly dis con nects both air
and electricity.
Integral Cooling
A rugged, high
per for mance,
low energy
us age fan is
housed within
the brake for
high heat
dissipation —
a must for
in creased
pro duc tiv i ty through con trolled tension
at many roll speeds.
Performance Curve
* With only one set of actuators engaged
Dynamic Slipping Heat Transfer Maximum Inertia of Fan Power
Model Torque Capacity Capacity Speed Rotating Parts Weight Rating
Air Pressure Continuous :30 On/:30 Off
lb.in. (Nm) Operation Operation WR
2
J=mr
2
Total Brake Rotating Parts
Min.* Max. Min.* Max.
Mistral 3 PSI 80 PSI 0.2 BAR 5.5 BAR HP (kW) HP (kW) Rev./Min. lb.ft.
2
(kgm
2
) lb. (kg.) lb. (kg.) W
200/2/LC 35 1,770 (4) (200) 3.2 (2.4) 3.5 (2.6) 2,860 0.40 (0.017) 77 (35) 9.92 (4.5) 20
200/2 45 2,655 (5) (300) 3.2 (2.4) 3.5 (2.6) 2,860 0.40 (0.017) 77 (35) 9.92 (4.5) 20
200/4/LC 35* 3,540 (4*) (400) 3.2 (2.4) 3.5 (2.6) 2,860 0.40 (0.017) 77 (35) 9.92 (4.5) 20
200/4 45* 5,310 (5*) (600) 3.2 (2.4) 3.5 (2.6) 2,860 0.40 (0.017) 77 (35) 9.92 (4.5) 20
200/6/LC 35* 5,310 (4*) (600) 3.2 (2.4) 3.5 (2.6) 2,860 0.40 (0.017) 77 (35) 9.92 (4.5) 20
200/6 45* 7,965 (5*) (900) 3.2 (2.4) 3.5 (2.6) 2,860 0.40 (0.017) 77 (35) 9.92 (4.5) 20
280/3/LC 45 3,540 (5) (400) 6.4 (4.8) 7 (5.2) 2,090 1.80 (0.076) 110 (50) 20.72 (9.4) 25
280/3 55 5,310 (6) (600) 6.4 (4.8) 7 (5.2) 2,090 1.80 (0.076) 110 (50) 20.72 (9.4) 25
280/6/LC 45* 7,080 (5*) (800) 6.4 (4.8) 7 (5.2) 2,090 1.80 (0.076) 110 (50) 20.72 (9.4) 25
280/6 55* 10,620 (6*) (1,200) 6.4 (4.8) 7 (5.2) 2,090 1.80 (0.076) 110 (50) 20.72 (9.4) 25
280/9/LC 45* 10,620 (5*) (1,200) 6.4 (4.8) 7 (5.2) 2,090 1.80 (0.076) 110 (50) 20.72 (9.4) 25
280/9 55* 15,930 (6*) (1,800) 6.4 (4.8) 7 (5.2) 2,090 1.80 (0.076) 110 (50) 20.72 (9.4) 25
Fan Data and Connection Data
Model Fan Voltages Fan Power Electric Pneum.
220 VAC or/order M16 1/8 BSP
200 110 VAC or/order 20W PG9 1/8 BSP
24 VDC 3/8 NPT 1/8 NPT
220 VAC or/order M16 1/8 BSP
280 110 VAC or/order 18W PG9 1/8 BSP
24 VDC 3/8 NPT 1/8 NPT
Mistral Brakes