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52<br />

3. g)<br />

High-torque AC brake<br />

(MTFHA, DPFHA)<br />

PRODUCTION STANDARDS<br />

Mounting arrangement IMB3<br />

Terminal box position On top (BS)<br />

Rated voltage MT 230/400V 50 Hz (Pn ≤ 3 kW)<br />

400/690V 50 Hz (Pn > 3 kW)<br />

DP 400V 50 Hz<br />

Brake rated voltage (separate connection) 230/400 V<br />

Protection rating IP54<br />

Bearings 2 RS<br />

Winding insulation Class F<br />

Terminal box type 2 aluminium components FH type (box + cover)<br />

End-schields assembly Bosses and bolts<br />

Paint finish BLUE RAL 5010<br />

Fan cover Galvanized steel sheet<br />

Duty S1<br />

The FHA brakes provide similar braking<br />

performance as FHC type but, thanks to the<br />

AC coil design, they allow more operation<br />

per hour.<br />

Braking air gap can be reset through the<br />

adjusting screws (see picture at site), once<br />

the cylindrical bolts located at the back side<br />

of the unit have been loosen.<br />

Braking torque can also be adjusted through<br />

the three allen screws located at the rear of<br />

brake unit.<br />

Hand-release lever is available on demand (*).<br />

Size<br />

Braking<br />

torque<br />

(Nm)<br />

Power<br />

(W)<br />

Enganging<br />

time<br />

(ms)<br />

Release<br />

time<br />

(ms)<br />

Air gap<br />

(mm)<br />

M63 5 18 4 20 0,2<br />

M71 5 18 4 20 0,2<br />

M80 10 25 4 40 0,25<br />

M90 20 30 6 60 0,3<br />

M100 40 35 8 90 0,3<br />

M112 70 40 16 120 0,35<br />

M132 150 60 16 180 0,4<br />

M160 350 75 15 90 0,5<br />

Key<br />

FHA End-shield<br />

Shaft<br />

Mobile anchor<br />

Air gap<br />

adjustment screw<br />

Drive hub<br />

Pre-load<br />

washer<br />

Disc with<br />

friction pad<br />

Brake coil<br />

Air gap<br />

Hand release<br />

lever (*)<br />

Cooling<br />

fan (PVC)<br />

Braking torque<br />

allen screws

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