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The data used in this Product Overview may be used as a guideline only. Spcifie operational characteristics of our products may vary according to individual applications. It is strongly recommended that specific operating conditions are clarified with Johnson Electric before application. Johnson Electric Terms and Conditions of Sale apply. All data may be subject to change without notice.

Table of Contents Johnson Electric Group 2 Group Looking for a specialized switching solution 4 Table of typical applications & Burgess switch types 7 Terminology 8 Snap-action microswitches 17 Ultraminiature F1, F4, F5, F1NS, F6, FK4 18 Subminiature V4L 37 Miniature sealed V3S 42 Standard PN4, 3BR, K5 46 Metal housed V9N, 4BR 56 Positive action switches 63 Miniature BVM3 64 Standard KB5 67 Door interlock switches 70 Forced break XP, XT 71 Table of preferred products 76 Burgess switches [email protected] www.burgess-switch.com 1

OVERVIEW The Johnson Electric Group is one of the world's largest providers of motion actuators for automotive and industrial applications Over the years, we have shipped billions of motors to more than thirty countries in over one hundred diffrent mot or applications. Johnson Electric has an annual production capacity of one billion motors. to meet ail of our commitments and to support our customers' success. Product reliability and assurance of supply are our commitment. Johnson Electric delivers comptitive advantage Johnson Electric delivers differentiation and innovation through its motion...

HOW WE ARE ORGANIZED Johnson Electric Holdings Limited is the parent company of the Johnson Electric Group and has been listed on the Stock Exchange of Hong Kong since 1984. The Group structure consists of a number of operating divisions and business units focused on their particular customer application or product segment Johnson Electric Group Who/fy owned by Johnson Electric Holdings Limited {stock code: 179) Automotive Products Group Industry Products Group Components & Services Other Group Businesses _ (jj Parlex Corporation Johnson Electric Trading Saia-Burgess Controls V-Motor Nanomotion...

Looking for a specialized switching solution? Look no further. In addition to the wide range of standard products shown in this catalog, we will be happy to work with you to meet your switching needs. If your application requires more than a standard product solution, please consider us early in your design process. Our product development team will be happy to discuss your specification, whether you need a special switch design or a complete value-added assembly. We specialize in developing switches for demanding industrial environments. The images shown give some examples of our capabilities....

Burgess is the leading global brand for industrial switches Burgess designs have defined industry standards. If you need a spcifie solution foryour switching needs, call us to set your own standard. A pioneer of snap-action technology, the Burgess brand stands for innovative, robust solutions for industrial switch requirements. Wide range Snap-action switches have to fulfill a wide variety of functions. The standard Burgess range ensures there will be a switch for your needs, with one of the broadest product portfolios around. From ultraminiature to metal-housed basic types, we are sure to have...

Switches in General Industry Switches can be found in a wide variety of applications: Burgess switches for spcial purpose vehicles Switches used in spcial purpose vehicle applications must liave: ■ high levels of environmental protection ■ the ability to liandle high DC inrush currents ■ reliability throughout the life of the product F5TJ, Burgess switches for circuit breakers Circuit breaker applications demand: ■ dependability and reliability ■ a high degree of shock r驩sistance in the mechanism ■ the ability to carry high currents and voltages Burgess switches for vending machines Switches...

Table of typical applications & Burgess switch types In addition to the products shown in the Product Catalog pages, the Product Mapping table below shows a wide range of switch types for a selection of applications. Also, a switch may be customized to fulfill your specific requirements, please feel free to contact us. Application & switch Sries en m 00 01 m -a- z > _i > m > m Q. X > LL. LL. LL. LL. LL. Circuit Breaker Commercial Equipment 镕 Օ Օ ՕՕՕՕՕ Copier & Printer Օ Օ Distribution ՕՕՕՕՕՕՕՕ Forklifts Օ Օ Օ Home Appliances HVAC Օ Օ Օ Օ Industrial automation Industry general Օ ՕՕՕՕՕՕՕՕ Lighting...

Terminology: Snap-action switches ADDITIONAL TECHNICAL INFORMATION Contact Resistance The contact resistance is the electrical resistance measured at the terminals of the switch when the contacts are closed. The resistance specifications refer to unwired switches in new condition. Positions - forces - movements Free position Operating position Total travel position Release position Actuating force Release force Force differential Pre-travel Over-travel Total travel Movement differential Release travel Post release travel Position of the actuator, without any influence from an external force....

Actuating force - movement - diagram Total travel position 03 < Free position Release position Movement differential Pre-trave! Over-travel Post release travel Release travel Total travel Contact force - movement - diagram Pre-travel Over-travel Normally closed Free position Operating position Release position Post release travel Movement differential Rel Total travel position sase travel max. Normally open 0 max. Burgess switches [email protected] www.burgess-switch.com 9

Switch Technology Approvals Clearance Distance- the distance in air between current carrying parts of opposite polarity or between any current carrying part and an earthed-(grounded) metal plate to which the switch is attached. Creepage Distance - the path along the surface of insulating material between current carrying parts of opposite polarity or between any current carrying part and an earthed (grounded) metal plate to which the switch is attached. Insulation Resistance - resistance as measured bet-ween the normally closed terminals, or between all terminals connected together and a metal...