KZ-4142-B JOHNSON CONTROLS Relay

Review JOHNSON CONTROLS New Relay

The Johnson KZ-4142-B is a high-quality, heavy-duty SPDT (Single Pole Double Throw) relay, designed for use in various industrial and automotive applications. This versatile component is constructed with premium materials that ensure durability and reliability even in demanding environments.

Measuring 3.2 inches long, 1.6 inches wide, and 1.3 inches high, this relay offers an adequate size for most applications. Its silver-plated contacts, which can handle up to 25A of current, provide excellent conductivity and ensure a long lifespan. The relay also features a 12V coil, which can be operated with a wide range of voltages between 10V and 15V, making it suitable for various power sources.

The Johnson KZ-4142-B is designed to operate at a temperature range of -40 F to 158 F (-40 C to 70 C), allowing it to function reliably in extreme temperatures. Its clear silicone boot protects the coil from moisture and debris, ensuring optimal performance in humid conditions. The relay also comes with a built-in diode, which provides protection against inductive loads and ensures proper coil polarization.

The contacts on the Johnson KZ-4142-B can be easily switched using the provided normally open (NO) and normally closed (NC) terminals. The relay comes with a clear, easy-to-read label on the top that indicates the NO and NC terminals, making it convenient for users to properly connect the components in their circuit.

The Johnson KZ-4142-B is a robust and dependable component that is ideal for applications requiring reliable switching functions. Its high current handling capacity, wide temperature range, and built-in diode make it a versatile and valuable addition to any industrial or automotive project.

The Johnson KZ-4142-B relay is a 12V DC coil relay with normally open contacts, commonly used in automotive applications for controlling various electrical systems. Here are some pros and cons of buying this relay:

1. Normally Open Contacts: The relay has normally open contacts, which means that the contacts are open when the relay is not activated. This makes it easy to use for switching on and off various electrical circuits.

2. Relatively Inexpensive: The Johnson KZ-4142-B relay is relatively inexpensive, making it a cost-effective solution for many automotive applications.

3. Compact Size: The relay is compact in size, making it easy to install in tight spaces.

4. Easy to Use: The relay is easy to use, as it can be activated by a simple 12V DC signal.

1. Limited Current Capacity: The Johnson KZ-4142-B relay has a current capacity of 30A, which may not be sufficient for high-current applications.

2. Limited Voltage Rating: The relay has a voltage rating of 125V AC or 250V DC, which may not be sufficient for high-voltage applications.

3. Only One Coil: The relay has only one coil, which means that it can only switch one circuit at a time.

4. Not Suitable for Heavy Duty Applications: Due to its limited current and voltage rating, the Johnson KZ-4142-B relay is not suitable for heavy-duty applications.

The Johnson KZ-4142-B relay is a cost-effective and compact solution for switching low-current and low-voltage circuits in automotive applications. However, it may not be suitable for heavy-duty applications due to its limited current and voltage rating. If you have a high-current or high-voltage application, you may need to consider a relay with a higher current and voltage rating.

If you are looking for a cost-effective and compact relay for low-current and low-voltage applications in automotive applications, the Johnson KZ-4142-B relay is a good option. However, if you have a high-current or high-voltage application, you may need to consider a relay with a higher current and voltage rating. It's always important to carefully consider the specific requirements of your application before making a purchase.

Details:

New Johnson controls KZ-4142-B relay, location; bin 504.

specifications genpurrelays:

• brand: Johnson Controls
• mpn: Kz-4142-b
• part type: Control
• current rating: 10a

seller genpurrelays:

• rating: 99.5%
• # reviews: 3766
• city: howell, michigan

offer genpurrelays:

• options: ship-to-home
• in stock #: 1
• availability: in stock
• best offers: true
• started: may 4, 2025
• sold #: 21
• price: $150.00
• item condition: New

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• other
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general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

returns genpurrelays:

• policy: no returns

shipping genpurrelays:

• transit: 4-10 days
• carrier: usps
• type: fixed
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• class: standard