PANASONIC SH-21 Photoelectric Switch

( Brand: Panasonic ), ( Part Type: Switch ), ( Manufacturer Part Number: SH-21 )

Review PANASONIC New Photoelectric Switch

The Panasonic SH-21 Photoelectric Switch is a versatile and energy-efficient solution for automating lighting systems. This switch is designed to turn on lights when it senses a certain level of darkness, making it ideal for use in entryways, hallways, or other areas where automatic lighting is desired.

The SH-21 is a photoelectric type switch, which means it uses a light-sensitive sensor to detect changes in light levels. When the surrounding light level drops below a certain threshold, the switch activates and turns on the connected light source. Conversely, when the light level rises above the threshold, the switch turns off the light.

This switch is made of high-quality materials, including a durable and corrosion-resistant die-cast aluminum housing. It is also designed to be weather-resistant, making it suitable for use in outdoor applications. The switch has a sleek, modern design that is both functional and aesthetically pleasing.

The SH-21 has a voltage range of 120V-277VAC, making it suitable for use in a wide variety of commercial and residential applications. It also has a current capacity of up to 10 amps, which allows it to handle the power requirements of most standard light bulbs.

One of the key benefits of the SH-21 is its energy-saving capabilities. By automatically turning lights on and off based on light levels, it helps to reduce energy waste and lower electricity bills. The switch also has a long service life, with a rated lifespan of over 100,000 switching cycles.

Installation of the SH-21 is straightforward and can typically be completed in just a few minutes. The switch comes with mounting hardware and clear installation instructions to make the process as easy as possible. It is also compatible with most standard light bulbs and can be used with a variety of wiring configurations.

Overall, the Panasonic SH-21 Photoelectric Switch is a reliable and energy-efficient solution for automating lighting systems. Its durable construction, weather-resistant design, and easy installation make it a popular choice for commercial and residential applications. By reducing energy waste and providing automatic lighting, it helps to create a more convenient and cost-effective lighting solution.

The Panasonic SH-21 photoelectric switch is a device designed to automatically turn on lights when it gets dark and off when it gets light. Here are some pros and cons that might help you decide whether to purchase this product:

1. Energy savings: By using a photoelectric switch to automate the turning on and off of lights, you can save energy and reduce your electricity bill.

2. Convenience: The Panasonic SH-21 switch is designed to be easy to install and use. It can be installed in place of a standard light switch, and once installed, the light will turn on and off automatically based on the light level.

3. Durability: Panasonic is a reputable brand known for producing high-quality electronics. The SH-21 switch is designed to be weatherproof and durable, making it a good choice for outdoor lighting applications.

4. Versatility: The Panasonic SH-21 switch can be used with various types of bulbs, including LED, halogen, and incandescent bulbs.

5. Safety: By automatically turning off the lights when they're not needed, the Panasonic SH-21 switch can help prevent accidents caused by leaving lights on unintentionally.

1. Cost: The Panasonic SH-21 switch may cost more than a standard light switch. However, the energy savings and convenience it provides may offset the initial cost over time.

2. Limited customization: The Panasonic SH-21 switch does not offer advanced features such as timers or motion sensors. If you require more advanced lighting control, you may need to consider other options.

3. Installation: While the Panasonic SH-21 switch is designed to be easy to install, some users may find the process challenging, especially if they're not familiar with electrical work.

In conclusion, the Panasonic SH-21 photoelectric switch can help you save energy, provide convenience, and add safety to your home or outdoor lighting applications. While it may have some limitations and may cost more than a standard light switch, the benefits it offers may outweigh the initial investment.

Recommendation: If you're looking for a reliable and convenient way to automate your lighting, the Panasonic SH-21 photoelectric switch is a good option to consider. It is particularly useful for outdoor lighting applications, where manual switching can be inconvenient. However, if you require more advanced lighting control features, you may want to consider other options. Overall, the Panasonic SH-21 switch is a durable and versatile product that can help you save energy and reduce your electricity bill.

Details:

part #: sh21 prices

• $63.24-$88.86

specifications plcmechanize:

• brand: Panasonic
• part type: Switch
• manufacturer part number: SH-21

general plcmechanize:

• condition: New
• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors

seller plcmechanize:

• # reviews: 78
• rating: 100.0%
• city: Hebron, Kentucky

shipping plcmechanize:

• carrier: USPS
• service: USPS Ground Advantage
• type: Fixed
• cost: $0.00
• class: Standard
• transit: 5-12 Days

returns plcmechanize:

• paid by: Buyer
• policy: Returns Accepted
• method: Money back
• time: 14 Days

payments plcmechanize:

• wallet: Paypal
• credit card: Mastercard
• other

offer plcmechanize:

• best offers: True
• availability: In Stock
• options: Ship-to-home
• started: July 17, 2025
• quantity: 2
• sold: 0

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