Description
The Honeywell Micro Switch™ BZ-2RQ18-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.
Features:
- 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:
| Circuitry: | SPDT |
| Actuator Type: | Overtravel Plunger Roller Actuator |
| Amp Rating: | 15A |
| Voltage: | 125V |
| Termination: | Screw |
| Sealed: | No |
| Operating Force: | 9.0-13.0 oz (2.5-3.61 N) |
| Release Force: | 4.0 oz (1.11 N) min |
| Pretravel: | 0.015" (0.38 mm) max |
| Overtravel: | 0.140" (3.56 mm) min |
| Differential Travel: | 0.0004"-0.0020" (0.01-0.05 mm) |
| Operating Position: | 1.312" ±0.045" (33.32 ±1.14 mm) |
| Operating Temperature: | -67°F – 185°F (-55°C – 85°C) |
| Agencies, Approvals & Standards: | UL, CE, CSA |
Additional Info
- Screw
- Premium Large Basic Switches
- SPDT (Single Pull, Double Throw)
- High Overtravel Plunger





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