MICRO SWITCH Premium Large Basic Switches 004955 BZ BA BM BE 6AS Series Issue 6 Datasheet FEATURES Switch styles momentary plunger, manual reset plunger, make-before-break contacts, sequential contacts, double break contacts, split contacts Standard package size 49,3 L x 17,5 W x 24,1 H mm 1.94 x 0.69 x 0.93 in Mounts on standard 25,4 mm centers 1.00 in or threaded plunger bushing Wide selection of integral actuators including: pin plunger, roller plunger, overtravel plunger, integral leaf with or without roller, plain lever, roller lever, one-way roller lever Fine silver contacts, silver-alloy contacts, or gold-alloy contacts Electrical connection options solder terminals, screw terminals, or quick-connect terminals Optional sealed plunger and cover DESCRIPTION Auxiliary actuators available Accurate, reliable, and repeatable, Honeywell MICRO SWITCH Optional metal or plastic enclosures available where required BZ/BA/VBM/BE Premium Series switches are designed and Gang-mount assemblies (tandem assemblies) with single manufactured for a wide variety of applications with over 75 integral lever years of experience. The internal flat-spring design is ideal Global certification: UL, CSA, CE, and ENEC for most catalog for applications requiring precision switch characteristics listings and long life. These precision switches are available with Select switches are qualified to MIL-PFR-8805 differential travel less than 0,0254 mm 0.001 in . Catalog listings within these Series of switches are available POTENTIAL APPLICATIONS Building controls and equipment to control a wide range of electrical loads from logic level to Doors and lifts power duty switching coupled with a wide variety of integral Semi-trucks and trailers actuators. A variety of electrical connections are available to Valves match the application requirements. These Series of switches Industrial timers fit the standard 25,4 mm 1.00 in mounting centers. Select Communication systems catalog listings are available with a threaded plunger bushing Foot switches panel mounting. Auxiliary actuators are available to increase Commercial and industrial food service equipment the flexibility of the Premium Series switches as well as metal Agriculture irrigation equipment or plastic enclosures where required. These switches can Medical instrumentation be supplied factory gangmounted (two switches) with an integral actuator for double pole applications or other circuit DIFFERENTIATION applications. Standard temperature range of -55 C to 85 C -67 F to 185 F , option to 204 C 400 F Most of these switch Series have agency certifications for Current carrying capability of up to 25 A global applications. In addition, select catalog listings are Stainless steel snap spring available for demanding qualified to MIL-PRF-8805 for military applications. environments Selection of special circuitries make-before-break contacts, VALUE TO CUSTOMERS sequential contacts, double break contacts, single-pulse MICRO SWITCH legacy and expertise with over 75 years of output engineering and application experience Worldwide availability through Honeywells global network PORTFOLIO Dependable performance up to 20 million mechanical In addition to the large basic switches, Honeywell offers V-Basic switches, miniature, miniature watertight, sub- cycles miniature, and special application switches. Sensing and Internet of ThingsMICRO SWITCH Premium Large Basic Switches Table 1. Specifications BZ WZ YZ BA WA YA Characteristic BM Series BE Series Series Series Series Series Series Series Ampere rating 15 A 20 A 22 A 25 A Circuitry SPDT SPNC SPNO SPDT SPNC SPNO SPDT SPDT Operating force 1.0 oz to 28 oz Termination quick connect, solder, screw Actuator pin plunger, overtravel plunger, straight, roller, flexible leaf roller, flexible leaf Voltage 125 Vac, 250 Vac, 125 Vdc, 250 Vdc Agency approvals UL, CSA, ENEC, CE (varies by specific model) Operating temperature -55 C to 85 C -67 F to 185 F Contacts silver, silver cadmium oxide, gold alloy Housing general purpose phenolic Sealing Environment sealing option available (options for IP64 Sealing) Dielectric strength 2000 V between each terminal and ground Contact resistance 15 m Ohm max. (initial) Insulation resistance 100,000 M Ohm min. Vibration 1,5 mm peak-to-peak amplitude, frequency 10 Hz to 55 Hz, for two continuous hours Expected mechanical up to 20,000,000 cycles at 95% survival life Expected electrical 100K operations at rated load service life Rated frequency 50 Hz/60 Hz 2 sensing.honeywell.com