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Overview

MICRO SWITCH BA Series Premium Large Basic Switch, Single Pole Double Throw Circuitry, 20 A at 250 Vac, Roller Lever Actuator (Stainless Steel Roller), 1,67 N [6 oz] Operating Force, Quick Termination, Silver Contacts, UL, CSA, CE, ENEC, Rigid Lever.MICRO SWITCH BZ/BA/BM/BE Series premium, large snap-action switches offer precision operation and sensitive differential travel. These Series meet various international agency requirements, and are often used for precision on/off applications, as well as end of limit, presence/absence, and manual operator interface functions. Configured options with BZ, BA, BM, and BE switches provide a wide variety of operating and interface characteristics. BZ/WZ/YZ switches are 15 A; BA/WA/YA switches are 20 A; BM/WM/YM switches are 22 A; and BE/WE/YE switches are 25 A.

Technical Specifications

Switch Type MICRO SWITCH Standard 25,4 mm H x 17,8 mm W x 50,8 mm L [1.0 in H x 0.7 in W x 2.0 in L]
Sealed No
Ampere Rating 20 A
Circuitry SPDT
Actuator Roller Lever
Termination Quick Connect
Operating Temperature -55 °C to 85 °C [-67 °F to 185 °F]
Voltage 250 Vac
Actuator Length 26,6 mm [1.05 in]
Contact Type Silver
Operating Force (OF) 1,67 N [6 oz] max.
Release Force 0,42 N [1.5 oz] min.
Pretravel (PT) 6,35 mm [0.250 in] max.
Overtravel (OT) 0,76 mm [0.030 in] min.
Differential Travel (DT) 1,14 mm [0.045 in] max.
Operating Position (OP) 29,87 mm ±0,76 mm [1.176 in ± 0.03 in]
Free Position (FP) 36,12 mm [1.422 in] max.
Material Plastic
Housing Material General Purpose Phenolic
Agency Approvals and Standards UL, CE, CSA, ENEC
Mounting Screw Size 3,53 mm [0.139 in]
Mounting Centers 25,4 mm [1 in]
Tightening Torque 0,33 N m [3.0 in lb]
Weight 28,6 g [0.063 lb]
Package Height 24,1 mm [0.95 in]
Package Width 17,5 mm [0.69 in]
Package Length 49,3 mm [1.94 in]
Comment Rigid lever; CE: 61058-1; UL: E12252; CSA: LR41370; Quick connect terminals (3)
Availability Global
Series Name BZ/BA/WA/YZ

Technical Specifications

Switch Type MICRO SWITCH Standard 25,4 mm H x 17,8 mm W x 50,8 mm L [1.0 in H x 0.7 in W x 2.0 in L]
Sealed No
Ampere Rating 20 A
Circuitry SPDT
Actuator Roller Lever
Termination Quick Connect
Operating Temperature -55 °C to 85 °C [-67 °F to 185 °F]
Voltage 250 Vac
Actuator Length 26,6 mm [1.05 in]
Contact Type Silver
Operating Force (OF) 1,67 N [6 oz] max.
Release Force 0,42 N [1.5 oz] min.
Pretravel (PT) 6,35 mm [0.250 in] max.
Overtravel (OT) 0,76 mm [0.030 in] min.
Differential Travel (DT) 1,14 mm [0.045 in] max.
Operating Position (OP) 29,87 mm ±0,76 mm [1.176 in ± 0.03 in]
Free Position (FP) 36,12 mm [1.422 in] max.
Material Plastic
Housing Material General Purpose Phenolic
Agency Approvals and Standards UL, CE, CSA, ENEC
Mounting Screw Size 3,53 mm [0.139 in]
Mounting Centers 25,4 mm [1 in]
Tightening Torque 0,33 N m [3.0 in lb]
Weight 28,6 g [0.063 lb]
Package Height 24,1 mm [0.95 in]
Package Width 17,5 mm [0.69 in]
Package Length 49,3 mm [1.94 in]
Comment Rigid lever; CE: 61058-1; UL: E12252; CSA: LR41370; Quick connect terminals (3)
Availability Global
Series Name BZ/BA/WA/YZ

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
MICRO SWITCH BZ/BA/BM/BE & 6AS Series Premium Large Snap-Action Switches Datasheet English 2MB
Oil and Gas Brochure Brochure English 4MB
Basic, Toggles, and Rocker Switches Range Guide Product Range Guide English 2MB
Safety and Productivity Solutions in Hospital Applications Brochure English 5MB

Product Features

  • Accepted world-wide standard "Large Basic" 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

Applications

  • Irrigation systems
  • Semi-trailer trucks
  • Timing devices
  • Office equipment
  • Test instruments
  • Medical/dental equipment
  • HVAC equipment
  • Manually operated devices
  • Valves