CUSTOM MARINE SERVICES

Electrical Marine Parts For Boats & Yachts!

Specializing In  Circuit Breakers & Transfer Switches

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Distributor... Serving The Industry Since 1973! 

Klixon  Aircraft Simulator & Trainer Circuit Breakers  3SB & 4SB

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7274 Dummy

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We offer a derivative of our 7274 style circuit breaker for simulators, trainers, and cockpit mock–ups.

Part Number

7274-63D
Dummy breaker, non–functional 7274-2 style

7274-64PS
Physical sample, 7274-2 style with operational pushbutton, can measure continuity across terminals

7274-65PS
Physical sample, 7274-11 style with operational pushbutton, can measure continuity across terminals

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Klixon 3SB series

Simulators, single–phase, low amp, quick trip




Features and Overview

Spec Sheet PDFs

Drawings and Dimensions

7274 Dummy

Performance Characteristics

 




Features and Overview

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Low amperage

Fast trip response

High performance (shock & vibration)

Lower total system cost

Tactile feel equivalent to industry accepted aircraft circuit breakers

Packaged in military standard configuration

Optional panel mount configuration, replaceable amp rating inserts (reference part #27515 when ordering), auxiliary switch



Klixon 3SB series simulator circuit breaker was developed by Sensata Technologies to meet the growing needs of the commercial and military simulator industry. Due to the high operational coast of live training, more and more training is being conducted on simulators. The realism and complexity of tomorrow's simulators will require a circuit breaker that can provide the same "look and feel" of industry accepted circuit breakers in order to create a superior training environment.

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Klixon
7274   7274
7274


The 3SB electro mechanical devices provide fast trip response with low current draw at 28 VDC. For adaptability to aircraft cockpit panel mounting, they are packaged in a standard MS 26574 style thermal circuit breaker configuration. This fast trip/low current performance provides the opportunity for system level savings. It enables the designer to potentially downsize the system power source and eliminate expensive I/O boards or other electronics while also reducing the amount of cabling required.

Changes in training schemes normally entail system rewiring to reconfigure the simulator, which becomes labor intensive and costly. With the incorporation of a 3SB device the training changes can easily be achieved through system software — without the time and cost associated with rewiring.

Klixon simulator circuit breakers also provide the same tactile feel as standard Mil qualified breakers for superior training realism.

Klixon circuit breakers offer flexibility by offering replaceable ampere rating inserts. (To order different amp rating insert tabs, reference part number 27515.) Attached to the top of the pushbutton actuator, they match the current rating used in the actual aircraft. These inserts can be rotated within the pushbutton to meet your cockpit configuration needs.

An optional auxiliary switch for remote indications and a variety of connection alternatives are also available.



Performance Characteristics

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Vibration

5 G maximum, 50–500 Hz

Mechanical Shock

5G

Acceleration

5G

Weight

30 grams maximum

Endurance

25000 mechanical cycles, no load
1000 Electrical trip cycles min at 28 VDC

Open and Reset Force

5 lb. maximum

Calibration at 25°C

200mA max amp draw at 28 VDC
3 seconds max trip time



Drawings & Dimensions For Reference Only

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3SB2 Diagram

3SB4 Diagram



Spec Sheets For Our Most Popular Devices

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Specification sheets contain detailed drawings, amp ratings, characteristics, and more...

3SBX

Device Type

Spec Sheet

3SB2

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3SB4

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We Also Offer Other Quality Electrical  Products  by Quality  Manufacturers  For Aircraft - Marine - Motor Coach - RV's - Emergency & Specialty Vehicles

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