BZ-2RQ18-A2

The BZ-2RQ18-A2 microswitch is a versatile and reliable electrical switch designed for use in various applications where a limit or proximity sensing function is required. This microswitch, manufactured by Omron, is available in a robust plastic housing that is resistant to the effects of harsh environments and provides excellent protective sealing against dust, water, and oil.

The operating principlem of the BZ-2RQ18-A2 microswitch is based on a mechanical contact arrangement. It consists of two pieces: a lever and a fixed contact. When the lever is acted upon by an external force, such as a moving part touching the actuator, the contact is closed, completing an electrical circuit. When the force is removed, the lever returns to its original position, opening the contact and breaking the circuit.

This microswitch has a normally open (NO) contact configuration by default, but an NC (normally closed) version is also available (BZ-2RQ18-A2-N). The switch offers a reliable contact rating of 10 million cycles, and the recommended operating temperature range is from -40 C to 70 C. The switching voltage is 24 VAC or 24 VDC, and it can switch a maximum current of 0.2 A.

The dimensions of the BZ-2RQ18-A2 microswitch are fairly compact, measuring 42.2 mm (length) x 30.2 mm (width) x 31.5 mm (height), making it an excellent choice for space-constrained applications. Its mounting holes are arranged on 22 mm centers, allowing for easy installation in various orientations. The switch comes with a transparent cover that protects the actuator and the sensitive internal components from contamination.

In summary, the BZ-2RQ18-A2 microswitch is a robust and reliable electrical switch, designed for use in various applications requiring limit or proximity sensing functions. It boasts excellent protective sealing, reliable contacts, and a compact, versatile design. Its diverse capabilities make it an essential component for controlling machinery, automating processes, and monitoring various industrial systems.

Microswitches, specifically the BZ-2RQ18-A2 model, are widely used in automation applications where a physical switch is required. Here are some pros and cons to help you in deciding whether to purchase this microswitch:

1. Durable Construction: The BZ-2RQ18-A2 microswitch has a robust and rugged construction, making it suitable for use in harsh environments. It is designed to withstand mechanical impacts and vibrations, ensuring reliable operation.

2. Versatile: The switch can be used in various applications with different operating requirements. It is available in both normally open (NO) and normally closed (NC) configurations and has a plethora of actuating forces and travel lengths.

3. Low Cost: Compared to other types of switches, microswitches are generally affordable, making them an economical choice for applications where a large number of switches are required. This microswitch, in particular, offers excellent value for money.

4. Easy to Install: Microswitches can be easily mounted using the provided screws, and the installation process is generally straightforward. The terminals on this switch are also openly accessible, making wiring simpler.

5. Quick Response Time: Microswitches provide a quick response time since they operate mechanically. They are ideal for applications requiring immediate switching action.

1. Limited Operating Life: The operating life of a microswitch is finite. The number of times the switch can be actuated depends on the force and travel distance. This may not be ideal for heavy-duty applications where a higher number of cycles is expected.

2. Prone to Dirt and Debris: Microswitches have open contacts, making them susceptible to dirt, dust, and debris build-up. This can lead to contact chattering, arcing, and eventual failure.

3. The Switch May Bounce: Motor or mechanical vibrations can cause the microswitch to bounce when it is actuated, leading to intermittent contact and potential malfunctions.

4. Limited Operating Temperature Range: The BZ-2RQ18-A2 microswitch has a limited operating temperature range. Exposure to extreme temperatures can result in reduced switch performance or premature failure.

In conclusion, the BZ-2RQ18-A2 limit switch electrical offers several advantages, including durability, versatility, affordability, ease of installation, and quick response time. However, it also has its drawbacks, such as finite operating life, susceptibility to dirt, possible bouncing, and limited temperature range. Considering the given pros and cons, this microswitch is generally suitable for applications that are not too demanding in terms of operating cycles, temperature, and vibration levels. For applications where these factors are more critical, you may consider alternative switching solutions. If the application suits this switch, it can be a cost-effective and reliable choice.

Details:

specifications indusswitch:

• brand: Microswitch
• mpn: Bz-2rq18-a2
• part type: Switch

general indusswitch:

• category: Business & Industrial > Electrical Equipment Supplies > Limit Snap Action Switches

seller indusswitch:

• rating: 99.3%
• city: scottsburg, indiana
• # reviews: 2819

payments indusswitch:

• other
• credit card: mastercard
• wallet: google-pay

shipping indusswitch:

• transit: 5-8 days
• carrier: usps
• service: usps ground advantage
• type: calculated
• class: standard

returns indusswitch:

• policy: no returns

offer indusswitch:

• in stock #: 5
• sold #: 27
• prices: $15.99–$139.99
• item condition:
  • New – Open box
  • New
  • Neu
  • Used
• options: ship-to-home
• availability: in stock
• started: january 1, 2025

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