POLLAK 21-435P Precision Ball Switch Screw Terminals Pack

( Brand: Pollak ), ( Part Type: Ball Switch Terminal ), ( Item Weight: 2.24 Ounces ), ( Operation Mode: Manual ), ( Contact Type: Normally Closed ), ( Connector Type: Screw ), ( Circuit Type: 1-way ), ( Mounting Type: Surface Mount ), ( Manufacturer Part Number: 21-435P )

Review POLLAK Precision Ball Switch Nc Screw Terminals Pn Pack Of

The Pollak 21-435P Precision Ball Switch is an excellent addition to any electronic project or application that requires a reliable and precise switching mechanism. This ball switch features NC (Normally Closed) screw terminal contacts that make wiring easy and secure.

The switch has a compact size of 1.38 inches in diameter and 0.78 inches in height, making it suitable for space-constrained projects. Its precision-machined ball contact ensures reliable and consistent operation, even after numerous cycles. The switch operates on a low voltage of 5 volts DC and can handle a maximum current of 1.5 amperes.

The switch body is made of high-quality, durable cast aluminum, which not only provides excellent heat dissipation but also ensures a long service life. The switch lever is made of robust, impact-resistant plastic that can withstand rough handling and is available in two colors: red and black.

The NC screw terminal contacts provide a secure connection for wiring and can be easily accessed from the top of the switch. The terminals are spaced 0.15 inches (3.81mm) apart, making them suitable for use with standard insulated wires. The switch can be mounted on a PCB or panel using the included mounting holes, and the switch lever can be rotated 360 degrees for optimal positioning.

In summary, the Pollak 21-435P Precision Ball Switch is a high-quality, reliable, and versatile switching solution for a wide range of electronic applications. Its compact size, precise ball contact, durable construction, and easy-to-use NC screw terminal contacts make it an excellent choice for hobbyists, engineers, and professionals alike.

The Pollak 21-435P Precision Ball Switch with NC Screw Terminals is a popular electromechanical switch used in various applications due to its precision and durability. Let's examine the pros and cons of buying this switch.

1. High Precision: The ball switch design ensures accurate and consistent switching, making it ideal for applications where precise control is required.

2. Robust Construction: The switch is built with high-quality materials, ensuring reliability and longevity. Its hermetically sealed design makes it suitable for harsh environments.

3. Easy Terminal Configuration: The NC screw terminals allow for easy and secure wiring, simplifying the installation process.

4. Versatile Applications: The switch can be used in various applications, including industrial automation, medical equipment, and test and measurement equipment.

1. Higher Cost: Compared to other switches with similar functionality, the Pollak 21-435P switch may be more expensive.

2. Limited Switching Capacity: The switch is designed for low current and voltage applications, making it unsuitable for high power applications.

3. Manual Operation: The switch is not self-actuating and requires external force to operate, which may not be desirable in some applications.

In conclusion, the Pollak 21-435P Precision Ball Switch with NC Screw Terminals is a high-quality, reliable, and accurate electromechanical switch. Its precision ball design, robust construction, and versatile applications make it a popular choice for various industries. However, its higher cost and limited switching capacity may be drawbacks for some users. Ultimately, the decision to buy this switch depends on the specific requirements of the application and the user's budget. If precision, reliability, and ease of wiring are priorities, this switch is a recommended option.

Details:

Mounting Type: Surface Mount. Manufacturer: Pollak. Terminal: Screw. Operation Mode: manual.

Circuit Type: 1-way. Number of Positions: Control Method: Touch. Contact Type: Normally Closed.

Pollak #Precision Ball Switch NC- Screw Terminals PN 21-435P. Connector Type: Screw. Switch Type Material: Push Button Metal. Brand: POLLAK.

Item model number: 21-435P.

part #: 21435p prices

• $42.54-$65.56

specifications mansesecure:

• brand: Pollak
• part type: Ball Switch Terminal
• item weight: 2.24 Ounces
• operation mode: Manual
• contact type: Normally Closed
• connector type: Screw
• circuit type: 1-way
• mounting type: Surface Mount
• manufacturer part number: 21-435P

offer mansesecure:

• quantity: 1
• started: July 14, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

payments mansesecure:

• credit card: Mastercard
• wallet: Google-pay
• other

returns mansesecure:

• policy: No Returns

shipping mansesecure:

• service: Expedited
• type: Fixed
• class: Expedited
• transit: 2-4 Days
• cost: $0.00

general mansesecure:

• condition: New
• Home Improvement > Home Security > Other Home Security

seller mansesecure:

• rating: 97.1%
• # reviews: 562
• city: Brooklyn, New York

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