Capabilities

Military Applications

HSEB-1450
Type: HSEB Hydraulically Released, Spring Engaged Brake Application: X and Y axis brakes on a 70 meter radar antenna Features: Spline drive armatures and hub, cadmium plating, proximity sensor to indicate position of armature plate Specs: 14.5" dia. X 4.0" high, 665 lb. ft. torque, releases under 2000 psi hydraulic pressure
70 Meter Diameter Deep Space Radar Antenna

SEB-175

Type: SEB-175 Spring Set, Power Off, Fail-safe brake Application: Brake for actuator which holds the radar dish from moving when radar is not in use Features: High-torque friction material, e-nickel plating, hex drive Specs: 1.75" dia. X 1.06" high, 6.5 lb. in. torque

Global Hawk UAV

SEB-140-2
Type: SEB-140-2 Power Off, Spring Set, Fail-safe Brake, Double D Drive Application: Control surface actuators Features: Dual disks, high-torque friction material and high-torque plated plates, potted coil Specs: 1.45" dia. X 1.110" high, 7 lb. in. torque

AGM-158 (JASSM)

SEB-386-MR
Type: SEB-386-MR Power Off, Spring Set, Fail-safe Brake Application: Antenna cable drum brake Features: Nitride treated parts, manual release, Mil-Spec connector and potted coil Specs: 3.86" dia. X 2.30" high, 100 lb. in. torque

E2C Hawkeye

Type: SEB-175 Spring Set, Power Off, Fail-safe Brake Application: Stabalator actuator holding brake. Features: Plating, potting coil wire and lead wire are designed to meet MIL-STD-810, designed for rear end motor mounting, e-nickel plating, hex drive hub, high torque friction material Specs: 1.75" dia. X 1.10" long, 6.5 lb. in. torque

BELL UH-1 Huey

SEB-245-3
Type: SEB-245-3 Dual Disk, Power Off, Spring Set, Fail-safe Brake Application: Boom Ruddervator actuator Features: Low-weight aluminum spider, reverse mount, spline drive dual disks, nitride treated plates and nickel magnet body Specs: 2.45" dia. X 1.70" high, 66 lb. in. torque

767 Tanker

SEB-245-2
Type: SEB-245-2 Dual Disk, Power Off, Spring Set, Fail-safe Brake Application: Electric rescue hoist motor brake Features: Low-weight aluminum spider, reverse mount, spline drive dual disks, electroless nickel plated magnet body, nitride treated plates Specs: 2.45" dia. X 1.70" high, 66 lb. in. torque

SH-60 Seahawk

SEB-137
Type: SEB-137 Spring Set, Power Off Brake Application: Electric actuator to position ejection seat Features: Plating, potting, coil wire and lead wire are all Mil-Spec requirements, designed for rear end motor mounting, nickel plated, potted coil, square drive hub, high coef., friction material Specs: 21.375" dia X.750" long, one lb. in. torque

F-16 Fighting Falcon

WMTC-265
Type: WMTC-265 Stationary Field, Wall Mounted Tooth Clutch Application: Ammo feed mechanism for the cannon Features: Plating is cadmium with gold chromate, armature adapter is made of aluminum bronze, spline drive rotor and armature Specs: 2.65" dia. X 1.37" in. high, 420 lb. in. torque

AH-1W Cobra Helicopter

SFTC-225
Type: SFTC-225 Stationary Field Tooth Clutch Application: Ammunition feed mechanism for the Gatling guns Features: Non magnetic armature teeth, e-nickel plated, aluminum bronze adapter plate, fully potted coil, ball bearing supported rotor Specs: 2.25" dia. X 1.625" long, 450 lb. in. torque, 3500 rpm

AC-130H Gunship

SEB-500-2
Type: SEB-500-2 Dual Disk Power Off Spring Set Brake Application: Leveling leg actuators on the Patriot missile radars Features: Two discs, fully enclosed, Mil-Spec connector, nitride corrosion protection, internal and external splines Specs: 5.50" dia. X 7.62" long, 45 lb. ft. torque

Patriot Missile Radars

Type: MDC Multi Disk Clutch (Special) Application: The clutch moves the optical sight, then holds it in position when the grenade launcher fires Features: Six outer disks and five inner disks, moves +/- 15 degrees from null, magnet body has springs to provide pressure when power is removed from the coil providing the torque Specs: 6.33" long X 2.2" high X 4.19" wide, 1000 lb. in. torque
MK-47 Striker Grenade Launcher

RFTC-290

Type: RFTC-290 Rotating Field Tooth Clutch Application: A clutch to connect the servos in the throttle and navigation control joy sticks Features: Rod end linkages provided by the two ears, rotor is supported by radial and thrust DU washers and splined rotor Specs: 2.87" dia. X 1.80" long, 720 lb. in. torque

Boeing X-32 JSF Candidate
Type: SFTC-225 Stationary Field Tooth Clutch Application: Ammunition feed for Gatling gun, ship mounted for missile protection Features: (Pictured with cover removed) aluminum bronze adapter plate, e-nickel plating, ball bearing supported rotor, potted coil with Teflon lead wire, 28 VDC coil Specs: 2.32" dia. X 1.7" long, 450 lb. in. torque, 3500 rpm

Gatekeeper

SSB- 350
Type: SSB- 350 Housed Single Disk Power On Brake Application: Boom hoist actuator Features: Cadmium plating, gold chromate coated, single surface, dual coil, Mil-Spec connectors, potted coils and sealed Specs: 3.50". dia. X 3.75" high, 235 lb. in. torque

MDVSC-850

Type: MDVSC-850 Multiple Disk Variable Speed Clutch Application: M-113 motor-mounted variable speed fan and direct-speed alternator clutch for all M-113 variants Features: Oil cooled, Mil-Spec connector, fully potted coil, cadmium plating with gold chromate coating Specs: 8.50" dia. X 5.50" long, 3000 rpm, 450 lb. ft. torque, weight 60 lbs.
M-113 Light Armored Vehicle

SEMD-340-2

Type: SEMD-340-2 Spring Engaged Multi Disk Fail-safe Clutch Application: Electric turret drive mechanism Features: Dual friction disks, dual coils, worm gear driven rotor, spline drive split locking hub and fully potted coils, nitride treated plates, e-nickel plated magnet body and rotor Specs: 3.40" dia. X 4.62" long, 200 lb. in. torque
LAV Light Armored Vehicle

TC/B-525

Type: TC/B-525 Tooth Clutch and Brake Application: Clutch brake controls raising and lowering of radio antennas Features: All stainless steel construction, Mil-Spec connectors, manual control of the clutch and brake Specs: 8.50" dia. X 13.50" long, 1,000 lb. ft. torque, weight 70 lbs.

Submarine

SEB-500-4
Type: SEB-500-4 Multiple Disk Power Off Fail-safe Brake Application: MLRS-ILMS elevation actuator brake Features: Four friction disks, Mil-Spec connector, aluminum housing, clear anodized ball bearing supported stainless shaft, fly wheel, internal and external spline shaft and electrically bonded Specs: 7.50" dia. X 8.12" long, 1,750 lb. in. torque, speed 8,000 rpm, weight 28 lbs.
Multiple Launch Rocket System Improved Launch Mechanical System

Commercial Applications

SEB-300-3
Type: SEB-300-3 Power Off, Spring set, Fail-safe Brake, Spline Drive Application: Thrust reverser brakes on the jet engines Features: Triple disks, Kevlar friction surfaces, manual release provisions, potted coil and electroless nickel plating Specs: 3.000" dia. X 2.200". high, 550 lb. in. torque

Airbus A-380

Type: SEB-245-3 Triple Disk, Power Off, Spring Set, Fail-safe Brake, Manual Release Application: Hydraulic pump motor brake Features: Low weight aluminum spider, reverse mount, spline drive triple disks, nitride treated plates and magnet body, submerged in MIL-H-5606 oil Specs: 2.45" dia. X 2.420" high, 22 lb. in. torque

Gulfstream G-5

Aerospace Applications

SETB-320

Type: SETB-320 Stationary Coil Tooth Brake Application: Antenna array actuator brake Features: Stainless steel rotor, nitride treated armature and magnet body, potted coil and DU bushings and thrust washers Specs: 2.87" dia. X 1.412" high, 20 lb. ft. torque
Low Earth Orbit Satellite (LEO)

MDB-640

Type: MDB-640 Power On Multiple Disk Brake Application: Brake to stop satellite spin table Features: Space rated materials, processes, potting and plating, six outer and seven inner disks Specs: 6.375" dia. X 2.437" long, 200 lb. ft. torque, speed 2500 rpm, weight 17 lbs.

Space Shuttle

At SEPAC, innovation goes into everything we do from the design and manufacture of custom brake and clutch solutions for a variety of applications, to the enhancement of tried-and-true motion-control products. To view our range of expertise, visit our Web site: www.sepac.com.
STANDARD MODELS or SPECIAL DESIGNS
Multiple Disc Clutches & Brakes
(Electromagnetic, Hydraulic, Air & Mechanical) 2.75 - 11.60 Dia. 5 lb-ft. - 2,657 lb-ft. Many special designs available
Special Clutches & Brakes
(Electromagnetic, Hydraulic & Pneumatic) Special designs to meet specific customer requirements
Tooth Clutches & Brakes
(Electromagnetic) 2.25 - 18.7 Dia. 10 lb-ft. - 24,000 lb-ft. Many special designs available

Overload Clutches

(Electromagnetic) Special designs to meet specific customer requirements

Spring Engaged Brakes

Single Surface Clutches & Brakes
(Electromagnetic).9 - 18 Dia. 30 oz-in. - 2,500 lb-ft. Many special designs available
(Electromagnetic & Hydraulic Release) 5 - 21 Dia. 3 lb-ft. - 12,000 lb-ft. Many special designs available
Clutch/Brake & Clutch/Clutch Combinations
Special designs to meet specific customer requirements

Permanent Magnet Brake

(Electromagnetic) 1.2 - 3.5 Dia. 3.5 lb-in. - 190 lb-in. Many special designs available
Heavy Duty Multiple Disc Clutches & Brakes
(Electromagnetic) 8.75 - 22.75 Dia. 600 lb-ft. - 12,000 lb-ft. Many special designs available
(Electromagnetic) 1.375 - 3.5 Dia. 1 lb-in. - 50 lb-in. Many special designs available
2000 Lake Road, Elmira, New York 14903-1822 800-331-3207, 607-732-2030, Fax: 607-732-0273 www.sepac.com, e-mail: info@sepac.com

SEBASTIAN 320

PARAMETER Detector type Array format Pixel pitch Readout Architecture Integration modes Pixel Capacity FPA Power Dissipation Digital Resolution Readout Mode Frame rate Readout rate Readout direction Windowing Pixels Binning Operability Residual Non Uniformity Response Uniformity Standard Cooler Cooler Maximum Input power at steady state @ 23C Maximum cool-down time @ 23C Optional f# NETD @ 50% well fill
SEB 320 InSb 2D array 320 x 256 20m Si-CMOS, 0.5m ITR/IWR/Combined/ Multistep/Multiple 6.5 Me @ IWR 13 Me @ ITR < 80 mW @ 250 F/s < 40 mW @ 60 F/s 12-15 BIT Normal / Dilution 250Hz @ 15 bit / 300Hz @ 13 bit > 40 Mpixel/sec Bi-directional TopBottom /Left -Right @ 4 rows step 1:2, 2:1, 2:2 Better than 99.5% <0.03% STD/DR @10%-90% well fill capacity 2.5% STD/DR Ricor K561
5W 7 minutes f/4 <20mK
1901 S. Harbor City Blvd., Suite 806, Melbourne, FL 32901

P: 321-724-6146

F: 321-724-6267

contactus@scdusa.com