TR-51668-22 MACROMATIC Delay Relay

Review MACROMATIC Time Delay Relay Nib

The Macro Matic TR-51668-22 Delay Relay is a versatile and robust electrical component designed for use in various applications where a delay in the switching of a load is required. This delay relay comes with a factory-set delay time of 1.6 seconds, making it a popular choice for applications such as time-delayed lighting systems, HVAC systems, and industrial automation.

The TR-51668-22 delay relay is constructed with high-quality materials, ensuring durability and reliability in demanding environments. It features a silver-contact design for improved conductivity and longer contact life, which reduces the need for frequent maintenance or replacement. The relay also has a robust die-cast aluminum housing, providing protection against dust, moisture, and other environmental hazards.

The Macro Matic TR-51668-22 delay relay is designed for easy installation and integration into various systems. It has a standard NEMA 1-type enclosure, allowing it to be mounted on a DIN rail or other standard mounting surfaces. The relay also comes with screw terminals for easy and secure wiring connections.

The delay relay operates on a 120VAC or 240VAC input voltage range and can handle up to 10A of load current. It has a maximum operating temperature range of -40 F to 140 F (-40 C to 60 C), making it suitable for use in a wide range of temperature environments.

The TR-51668-22 delay relay is also equipped with overload protection, which helps prevent damage to the relay and the connected system in case of overcurrent conditions. It also has a built-in coil overvoltage protection feature, which protects the relay against voltage spikes and surges.

In summary, the Macro Matic TR-51668-22 Delay Relay is a reliable and versatile electrical component that offers easy installation, robust construction, and a range of protective features. Its factory-set 1.6-second delay time makes it an excellent choice for various applications where a time-delayed switching function is required.

The Macro Matic TR-51668-22 Delay Relay is a commonly used device in various applications, particularly in time delay circuits and automation systems. Here are some pros and cons of buying this delay relay:

1. Dependable Performance: Macro Matic delay relays are known for their durability and reliability. The TR-51668-22 model is no exception. It can handle up to 30 amperes of current and operates over a wide temperature range, making it suitable for various industrial applications.

2. Adjustable Delay Time: This delay relay offers an adjustable delay time of up to 99 minutes. This feature allows users to customize the timing of their circuits to meet their specific requirements.

3. Easy Installation: The TR-51668-22 delay relay is relatively easy to install. It requires only a few wires and can be mounted on a DIN rail or other suitable surface.

4. Versatile Application: This delay relay can be used in various applications, including HVAC systems, water treatment plants, and manufacturing processes.

1. Complexity: Compared to simpler relays, delay relays can be more complex to understand and install. Users may need to have a good understanding of electrical circuits and timing to effectively use this device.

2. Cost: The TR-51668-22 delay relay is more expensive than standard relays due to its added functionality and complexity.

3. Size: This delay relay is larger than standard relays due to the additional components required for its timing function.

In conclusion, the Macro Matic TR-51668-22 Delay Relay offers several advantages, including dependable performance, adjustable delay time, easy installation, and versatile application. However, it also has some disadvantages, such as complexity, cost, and size. Ultimately, the decision to buy this delay relay depends on the specific needs and resources of the user.

If the user requires precise timing control in their electrical circuits and has the necessary electrical knowledge to install and use the relay, then the Macro Matic TR-51668-22 Delay Relay may be a worthwhile investment. On the other hand, if the user's application does not require the advanced timing function, a standard relay may be a more cost-effective and simpler solution.

Details:

Part number: TR-51668-22. Time delay relay. Macromatic timer relay. Will combine items for reduced shipping costs.

Nib: new in box.

specifications genpurrelays:

• brand: Macromatic
• mpn: Tr-51668-22
• current type: Ac/dc
• coil voltage: 24
• country of origin: United States

general genpurrelays:

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

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• city: buffalo, new york
• # reviews: 5488
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offer genpurrelays:

• price: $99.99
• item condition: New
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• in stock #: 1
• availability: in stock
• started: february 23, 2026
• options: ship-to-home
• sold #: 13

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