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Spring Applied Brakes
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Flange Mounted Spring Applied Brakes - Type FSBFlange Mounted Spring Applied Brakes – Type FSB

Inertia Dynamics type FSB brakes are designed to decelerate or hold inertial loads when the voltage is turned off. These brakes can be mounted to a bulkhead or motor.

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Type FSB: Mechanical Specs | Electrical Specs | Dimensions | Notes | Ordering
CUSTOMER SHALL MAINTAIN
The perpendicularity of the mounting surface with respect to the shaft is not to exceed .005" T.I.R. at a diameter equal to the brake body outside diameter. The concentricity between the mounting holes and the shaft should not exceed .010 T.I.R. for sizes 001-015 and .020 T.I.R. for sizes 035-100.
Mechanical
MODEL NO. STATIC TORQUE
LB. - IN.		 INERTIA LB. - IN.2
ARMATURE & HUB ASSEMBLY		 WEIGHT
OZ.
ROTOR ARM & HUB
FSB001 1 .0004 N.A. 2
FSB003 3 .0017 N.A. 3
FSB007 7 .0133 .0176 15
FSB015 15 .0133 .0176 16
FSB035 35 .084 .1733 33
FSB050 50 .084 .1733 36
FSB100 100 .205 N.A. 64
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Electrical
MODEL NO. 90 V.D.C. 24 V.D.C. 12 V.D.C 120 V.A.C.
AMPS OHMS AMPS OHMS AMPS OHMS AMPS OHMS
FSB001 .052 1720 .170 138 .34 35 .041 N.A.
FSB003 .064 2177 .190 132 .353 34 .050 N.A.
FSB007 .059 1520 .247 97.3 .477 25.1 .045 N.A.
FSB015 .098 922 .369 65.1 .719 16.7 .077 N.A.
FSB035 .093 964 .394 61.0 .755 15.9 .073 N.A.
FSB050 .194 465 .717 33.5 1.54 7.75 .140 N.A.
FSB100 .180 501 .707 34 1.41 8.5 .142 N.A.
Lead wire is U.L. recognized style 1430 OR 1015, 22 gage.
Insulation is .064" O.D. on 001 & 003 units; .095" on 007, 015, 035, 050 & 100 units.
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Model FSB001 or FSB003 - Square Drive
Model FSB001 or FSB003 - Square Drive Flange Mounted Spring Applied Brakes - Type FSB Flange Mounted Spring Applied Brakes with Square Drive
 
Model FSB007 or FSB015 - Hex Drive
Model FSB007 or FSB015 - Hex Drive Flange Mounted Spring Applied Brakes from Inertia Dynamics Spring Applied Friction Brakes with Hex Drive
Model FSB035, FSB050, or FSB100 - Hex Drive
Model FSB035, FSB050, or FSB100 - Hex Drive Flange Mounted Spring Applied Brakes with Hex Drive Inertia Dynamics - Flange Mounted Spring Applied Brakes
 
Model FSB007 or FSB015 - Zero Backlash
Model FSB007 or FSB015 - Zero Backlash Flange Mounted Spring Applied Brakes with Zero Backlash Spring Applied Friction Brakes from Inertia Dynamics
Model FSB035, FSB050, or FSB100 - Zero Backlash
Model FSB035, FSB050, or FSB100 - Zero Backlash Flange Mounted Spring Applied Brakes with Zero Backlash Flange Mounted Spring Applied Brake dimensions
Dimensions
MODEL
NO.		 HUB
STYLE		 A
MAX.		 B
MAX.		 C
NOM.		 D
MAX.		 E
MAX.		 F
MIN.		 G
REF.		 H
MAX.		 I
± .500		 J
NOM.		 K
MIN.		 L
NOM.		 N
MAX.		 M BORES & KEYWAYS
BORE NOMINAL KEYWAY
X Y
FSB001 Square Drive .890 .710 .072 .510 1.485 .320 .280 1.375 12.0 1.180 .113 3/8 N.A. 1/8
3/16
1/4		 SET SCREWS ONLY
FSB003 Square Drive 1.060 .870 .115 .755 1.910 .380 .410 1.752 12.0 1.545 .113 9/16 N.A. 3/16
1/4
5/16
3/8		 SET SCREWS ONLY
FSB007 Hex Drive 1.400 1.200 1.255 .722 2.465 .605 .781 2.436 12.0 2.125 .170 5/8 .120 1/4
5/16
3/8
1/2*		 .0625 - .0655
.0625 - .0655
.094 - .097
.125 - .128		 .285 - .290
.347 - .352
.417 - .427
.560 - .567
Zero Backlash 1.400 1.200 1.255 .955 2.465 .450 .781 2.436 12.0 2.125 .170 N.A. —
FSB015 Hex Drive 1.400 1.200 1.255 .722 2.465 .605 .781 2.436 12.0 2.125 .170 5/8 .120 1/4
5/16
3/8
1/2*		 .0625 - .0655
.0625 - .0655
.094 - .097
.125 - .128		 .285 - .290
.347 - .352
.417 - .427
.560 - .567
Zero Backlash 1.400 1.200 1.255 .955 2.465 .450 .781 2.436 12.0 2.125 .170 N.A. —
FSB035 Hex Drive 2.110 1.920 1.960

1.000

 3.010 .580 .891 3.500 18.0 3.125 .200 1-1/8 .142 3/8
1/2
5/8
3/4		 .094 - .097
.125 - .128
.1885 - .1905
.1885 - .1905		 .417 - .427
.560 - .567
.709 - .716
.836 - .844
Zero Backlash 2.230 1.915 1.998 1.625 3.010 .730 .891 3.500 18.0 3.125 .200 N.A. —
FSB050 Hex Drive 2.110 1.920 1.960

1.000

 3.010 .580 .891 3.500 18.0 3.125 .200 1-1/8 .142 3/8
1/2
5/8
3/4		 .094 - .097
.125 - .128
.1885 - .1905
.1885 - .1905		 .417 - .427
.560 - .567
.709 - .716
.836 - .844
Zero Backlash 2.230 1.915 1.998 1.625 3.010 .730 .891 3.500 18.0 3.125 .200 N.A. —
FSB100 Hex Drive 2.320 2.080 2.100 .975 4.000 .555 1.188 5.250 18.0 4.750 .216 1-1/2 .210 1/2
5/8
3/4		 .125 - .128
.1885 - .1905
.1885 - .1905		 .560 - .567
.709 - .716
.836 - .844
* 1/2" bore available in Zero Backlash only.
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Notes:

Hex Drive — FSB

  1. For sizes 001 and 003, position hub .010" - .020" back from friction disc with coil de-energized.
  2. For sizes 007 and larger, position hub .010" - .030" back from clapper plate with coil de-energized.
  3. 1/2" bore not available for sizes 007 and 015.

Zero-Backlash — FSB

  1. Position hub to run freely with coil energized, taking care to center the friction disc between the clapper and pressure plate.
 		Prime Mover - Load
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Inertia Dynamics Inertia Dynamics, LLC
31 Industrial Park Road, New Hartford, CT 06057
Toll-Free: 1-800-800-6445 | Main Phone: (860) 379-1252 | sales@idicb.com
Customer Service & Purchasing Fax: (860) 379-1137
Engineering Fax: (860) 379-1197

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