Honeywell BZ-2R-A2 Large Basic Switch - SPDT, 15A, 125V w/Pin Plunger Actuator & Screw Termination

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The Honeywell Micro Switch™ BZ-2R-A2 is part of the BA/BE/BM/BZ series which features wide operating characteristics and enhanced life. These premium, large snap-action switches offer precision operation and sensitive differential travel.

The Micro Switch™ BA/BE/BM/BZ series are often used for precision on/off applications as well as end of limit, presence/absence and manual operator interface functions. The engineering design for this series meets most application needs. The configuration options for the BA, BE and BM switches gives a broader range of operating and interface characteristics. Using state-of-the-art manufacturing processes and quality controls, Honeywell has engineered premium, large snap-action switches that meet all international agency requirements and some even have military qualifications.


  • Accepted world-wide with international agency approvals
  • Various operating force and differential travel options
  • Momentary or Maintained contact action
  • Watertight IP64 option
  • Enhanced mechanical life up to 20,000,000 cycles
  • Elongated mounted hole for easier, more accurate mounting
  • Current rating ranges from 15A to 25A
  • Choice of actuation, termination and operating characteristics
  • Precision operation - sensitive differential travel from 0.005 mm to 0.008 mm
  • Internal flat spring design for improved performance and contact wiping ability

Potential Applications:

  • Building controls and fire suppression systems
  • Communication systems
  • Door latching mechanisms
  • Elevators/Lifts
  • Foot pedals
  • HVAC
  • Industrial kitchen equipment
  • Irrigation systems
  • Machine tools
  • Manually operated devices
  • Medical/Dental equipment
  • Semi-trailer trucks
  • Surtran
  • Test Instruments
  • Timing devices
  • Valves

Additional Specs:

Actuator Type:
Pin Plunger Actuator
Amp Rating:
Operating Force:
9.0-13.0 oz (2.5-3.61 N)
Release Force:
4.0 oz (1.11 N) min
0.015" (0.38 mm) max
0.005" (0.13 mm) min
Differential Travel:
0.0004"-0.0020" (0.01-0.05 mm)
Operating Position:
0.625" ±0.015" (15.88 ±0.38 mm)
Operating Temperature:
-67°F - 185°F (-55°C - 85°C)
Agencies, Approvals & Standards:

Additional Info

  • Screw
  • Premium Large Basic Switches
  • SPDT (Single Pull, Double Throw)
  • Pin Plunger
More Information
Features Pin Plunger Actuator
Manufacturer Honeywell
Type Basic Switches
Additional Skus BZ2RA2, BZ2R-A2, BZ-2RA2
UPC 78454916065
Additional Details

*Actual product appearance may vary!*

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