MICRO SWITCH™ BX2 Series Delivers Corrosion Resistance and Provides Both Cost and Time Savings to the End User

Honeywell’s MICRO SWITCH™ BX Hazardous Area Limit Switch Series now contains the MICRO SWITCH™ BX2 Series, complete with stainless steel, corrosion-resistant housing.

The MICRO SWITCH™ BX2 Series’ stainless steel housing provides enhanced corrosion resistance in applications exposed to aggressive, caustic agents often found in chemical processing plants, off-shore/near-shore sites, and other hazardous areas.

Honeywell Sensing and Control developed the stainless steel BX2 Series in response to significant customer demand. This new series can provide corrosion resistance up to four times longer than standard housing switches. It can also save up to four-weeks of down time when replacing rusty, unsafe switches.

Explosion-proof and weather sealed, MICRO SWITCH™ BX2 Series switches have global ATEX and IEC Ex approvals. These switches can withstand the pressure of an internal explosion and IP67 and NEMA (1, 3, 4, 6, 7, 9, 13) ratings ensure the BX2 can survive in outdoor operations for an extended period of time.

To meet customer requirements for design flexibility, the BX2 Series is available with a broad range of sizes, orientations, actuators, and electrical load options. Potential applications are many, including control valves and actuators, offshore drilling, gas recovery units, petrochemical plants, grain elevators, waste treatment, paint booths, mining conveyors, pulp and paper handling, and hazardous waste handling.

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Cherry Electrical Products’ new range of V4 sub miniature DZ switches offers a Positive Break Action feature. This mechanism operates when the contacts are welded or clotted and the operating force is insufficient to open the contact. In addition, parts consist of cadmium-free contact material in accordance with RoHS directives.

The DZ range operates at temperatures between -20 and 85degC, with a contact resistance of less that 100mΩ between 100mA and 10VDC. The device switches high inductive loads 3 (3)A 250 V at 50,000 cycles and complies to standard EN 60335-1 for resistance against heat and fire.

DZ switches are especially designed for motor drives (sun blinds; adjustable beds, armchairs and office desks; automatic doors and gates…). Devices are also applicable as limit switches for industrial automation, and as auxiliary switches for medium-voltage systems.

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Cherry Electrical Products UK has announced that its general purpose GP and E ranges of precision, long life snap action switches cost up to 20 per cent less than other devices commonly available, yet retain all the performance of their more expensive competitors’ products. GP heavy duty switches can handle up to 15A and have a mechanical life of one million actuations; E Series devices are available in single and double-pole configurations with five current ratings from 0.1 to 30.1A.

Featuring an ultra small travel differential and a wide variety of actuators, GP series snap switches are also optionally available with low operating force. Screw or solder terminations can be specified. Internally, the switches have a high quality of build, featuring insert moulded terminal pins, gold over silver plated contacts and a high-strength titanium copper alloy spring. The housing comprises a rugged phenolic case and cover. E series devices feature a similarly high build quality and are optionally available with operating temperatures up to 200degC.

Applications include pressure switches, commercial hand dryers, garage door sensors, fork lift truck motor stops, lift control, x-ray equipment and a wide range of other industrial machinery.
  
Comments Mark Mills (Switches & Controls Sales Manager) at Cherry Electrical Products UK: “GP and E series general purpose devices will give Cherry the opportunity to grow our share of both the commercial and industrial markets, where a more heavy duty micro switch is required.  We will not only save customers money but also, as an established player in the switch market, we wil bring our service culture to these new opportunities.”

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ZF Electronics Adds Specialist Electromechanical Supplier

May 2009: ZF Electronics (formerly Cherry Electrical Products) has signed a franchise distribution deal with E. Preston Electrical Ltd of Cheshire, covering the Cherry range of snap switches, sensors and sealed rockers.

Formed in 1980, E. Preston has built an enviable reputation for service and expertise, employing dedicated and experienced staff and maintaining appropriate stock levels. As well as switches and sensors the company also supplies EMC filters, connectors, control gear and timers and relays from some of the world’s leading manufacturers.

Comments Mark Mills, ZF Electronics’ Area Sales Manager: “E. Preston understands that business is carried out between people, not machines, so it puts special emphasis on building relationships with its customers and suppliers. We believe they will drive our sales of switches and sensors significantly.”

Adds Russell Wilkinson, E. Preston company director: “The Cherry brand is well-known and respected for quality and performance and the Cherry snap switches, sensors and sealed rockers fit perfectly with the other lines that we carry. We are delighted to add them to our portfolio.”
 
About ZF Electronics
Cherry is a brand of ZF Electronics GmbH. A world-leading manufacturer of electronic components, ZF Electronics (formerly Cherry Corporation), was acquired by ZF Friedrichshafen AG in 2008.  ZF Electronics develops and produces computer input devices, switches, sensor technology and controls for the automobile industry, as well as components for industrial and household device applications.  With around 3,100 employees worldwide, the company generated sales of approximately €250 million in 2007.

ZF is a leading automobile supplier throughout the world for drive line and chassis technology, employing around 65,000 employees at 119 sites in 25 countries.  ZF is among the 15 largest automobile suppliers worldwide.

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The latest edition of the Arcolectric Catalogue is now available. Catalogue 170 includes full specifications, detailed drawings and photographs for all the current Arcolectric products.

There are many new products included in the new 108 page catalogue:

• 6100 IP67 sealed rocker switches
• 3900 IP67 sealed toggle switches
• 4151 key operated pushbutton
• 0566 6mm miniature indicators
• Slimline LED holders
• IP67 sealed indicators
• IP67 sealed low voltage lampholders
• Maintenance Indicator
• Temperature monitor
• Status monitor
• Mains supply checker single phase
• Mains monitor dual phase
• Mains monitor three phase
• Temperature micro logger
• Compact cooker hood controller

Packed with information for designers, engineers and specifiers, Catalgue 170 is available in printed and CD versions.

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Patent-Pending Design Allows for True Plug-and-Play Installation

Honeywell introduced an adapter for limit switches with 20mm thread conduit openings. When purchased as a pre-installed accessory on a Honeywell MICRO SWITCH limit switch, this patent-pending adapter is ready to mount and plug into a Deutsch DT4 mating connector.

Typical installation time for limit switches includes as much as three minutes to wire a standard-type switch. The plug-and-play adapter may realize cost savings in reducing installation time, minimizing down time for switch replacement, or by eliminating additional parts normally associated with the assembly of a pigtail connector.

The accessory also is available as an adapter kit containing individual parts ready for assembly or as an adapter assembly pre-wired with four lead wires. Both options may provide cost savings over standard installation. Potential applications include aerial/scissor lifts and cable-to-cable applications in off-road, agricultural and construction equipment.

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Positive Break Enhances Safety in Hazardous Environments

Honeywell introduces its MICRO SWITCH™ GSX Series Explosion-Proof Safety Switch. The GSX Series combines world-class MICRO SWITCH™ global limit safety product (GSS) with an explosion-proof housing from Honeywell’s LSX and BX product lines. The GSX Series Safety Switch platform provides over 10,000 actuator and switching option combinations and can be applied to machine safety in hydrocarbon refining, chemical process, grain elevators, other agricultural or food processing equipment.

The GSX switch can be applied to a gate, cage or access panel that is positioned as hard guarding to a dangerous machine so that, when opened, the machine stops. Explosion-proof safety switches are required on machinery found in hazardous locations, where hazardous gasses or dusts could cause an explosion. The positive break mechanism will ensure that even welded contacts will open and the machine will stop in an emergency. The positive break feature is designed to provide a safe failure mode, ensuring the machine will not start, and therefore supporting a safer working environment.

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Explosion-proof switches help customers meet increasing safety, regulatory requirements anywhere in the world.

Honeywell announced it has received Electrotechnical Commission (IECEx) approval for its MICRO SWITCH™ BX explosionproof switch products. With IECEx approvals, manufacturers can specify one Honeywell MICRO SWITCH™ BX-series switch for a machine that will potentially be used in Europe, Asia or North America.

IECEx is the Commission’s certification of explosive atmospheres, and incorporates all existing approvals. Current North American UL/CSA and European ATEX approvals are being superseded by IECEx recognition. Honeywell’s explosion-proof switch family obtained certification from the official global regulatory agency.

"The global nature of approvals is critical to pull together many countries’ and territories’ regulatory requirements,” said Leslie Neill, global product marketing manager for Honeywell explosion-proof and safety switches.

“This allows our customers to apply our products almost anywhere in the world and meet ever-increasing levels of safety regulations. Honeywell offers a wide range of differentiated solutions to meet virtually any application requirement,” explained Brad Kautzer, vice president and general manager of electromechanical line of business for Honeywell Sensing and Control.

By obtaining the newest global standard for safety, Honeywell customers around the world can be assured their explosion-proof switches may meet all local safety regulations.  Honeywell BX Series explosion-proof limit switches are rugged products used in hazardouslocations, such as control valves in petrochemical, waste handling or food processing plants.  Honeywell MICRO SWITCH™ explosion-proof limit switches may be most appropriate for use in dangerous environments where contamination or long distances may render other sensing technologies ineffective.
 

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The 91MCE series limit switch is a compliment to Honeywell's existing product line of smaller, lower cost limit switches. Designed for modern industrial OEMs, the miniature package size fits in applications where space is limited. The small package size can be gang mounted for applications requiring more than two switch circuits. The 20mm mounting pattern meets most globally accepted mounting standards.

This product family offers the user many options including a variety of different actuator styles. Connection options include pre-leaded cable in various lengths or M12 connectors, both with side or bottom exits. Design flexibility is further enhanced with the availability of both slow action and snap action circuitry. Direct acting contacts are designed to open the NC contact when actuated. The epoxy-sealed rugged die-cast housing provides enhanced environmental durability.

FEATURES
• Direct acting contacts are designed to open NC contacts
   when actuated
• Sealed to IP67; NEMA 1, 4, 12, 13 suitable for outdoor
   applications
• CE, cULus, CCC approvals meet most global approvals
• Nine actuator styles offer design flexibility
• Slow-action and snap-action circuitry options
• Pre-leaded cable and M12 connector options
• Expected mechanical life: 5 million operations
• Side exit (standard) and bottom exit connection options

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General Information:
MICROSWITCH standard basic switches are precision snap-action mechanisms enclosed in accurately molded plastic cases. These switches are carefully manufactured and thoroughly inspected. They are industry-known for their compactness, light weight, accurate repeatability and long life.

BZ/BA Series Standard Basic Switches are used for simple on/off applications and meet the needs of most applications. However, modifications of contact design and material, spring configuration and plunger location create other types with greater electrical load handling capacity. Other changes in materials and switch design provide operating characteristics; temperature tolerances and sealing that cover a wide range of special requirements, for example;

SM Series Subminiature Basic Switches are used for simple or precision on/off application needs. These switches combine small size and light weight with ample electrical capacity, precision operation and long life.

SX Series Subminiature Basic Switches are used for simple or precision on/off application needs. They are small, precision snap-action switches that are ideal where savings in space and weight are important.

UM Series Subminiature Basic Switches are used for simple or precision ON/OFF application needs. These switches combine small size and light weight with ample electrical capacity, low cost and long life.

UX Series Subminiature Basic Switches are used for simple or precision on/off application needs. These are small, low-cost snap-action switches which are ideal where savings in space and weight are important.

V5 and V7 Series Basic Switches are used for simple or precision on/off, end of limit, presence/absence, pressure, temperature and manual operator interface application needs.

ZM Series Subminiature Basic Switches are used for simple or precision ON/OFF application needs. These switches combine small size and light weight with ample electrical capacity, low cost and long life.

ZW Series Subminiature Basic Switches are used for simple or precision ON/OFF application needs. These switches combine small size and light weight with ample electrical capacity, low cost and long life.

ZX Series Subminiature Basic Switches are used for simple or precision ON/OFF application needs. These switches combine small size and light weight with ample electrical capacity, low cost and long life

Features:
• Accepted world-wide standard micro switch
• Low operating force and differential travel
• Long mechanical life up to 20,000,000 cycles at 95% survival
• Elongated mounting hole for easier, more accurate mounting
• Current rating ranges from 15 A to 25 A
• Choice of actuation, termination and operating characteristics

Typical Applications:
• irrigation systems
• Semi-trailer trucks
• Timing devices
• Office equipment
• Test instruments
• Medical/dental equipment
• HVAC equipment
• Manually operated devices
• Valves
 

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