TYCO CB-1021B-78 Delay Relay Vac 120 0.1-10

( Brand: Tyco ), ( Manufacturer Part Number: CB-1021B-78 )

Review TYCO Adjustable Time Delay Relay 120 Vac Input 0.1-10 Seconds

The Tyco CB-1021B-78 Delay Relay is a versatile and reliable electrical component designed for use in various applications where a delay in the switching of an electrical load is required. This delay relay operates on 120V AC and can handle a delay time range of 0.1 to 10 seconds.

The CB-1021B-78 is a single-pole, double-throw ( SPDT) relay, which means it has three terminals: a common terminal (C), a normally open (NO) terminal, and a normally closed (NC) terminal. When no voltage is applied to the coil, the contact will be in the NC position, allowing current to flow through the coil and the NC terminal. Once voltage is applied to the coil, the contact will switch to the NO position after the specified delay time, allowing current to flow through the coil and the NO terminal.

The relay is housed in a robust and compact plastic enclosure that measures 2.5 inches long, 1.6 inches wide, and 1.0 inch high. It has a maximum current carrying capacity of 5 amps and a maximum voltage of 120V AC. The relay also features a gold-plated contact surface, ensuring excellent contact reliability and longevity.

The Tyco CB-1021B-78 Delay Relay is suitable for use in various industries, including HVAC, security systems, industrial automation, and telecommunications. It can be used to control heating and cooling systems, alarm systems, and other electrical loads where a delay in the switching is necessary.

The relay is easy to install and operate, with a simple coil voltage connection and a visible delay time adjustment dial on the top of the enclosure. It also comes with a built-in test switch, allowing users to quickly verify the proper functioning of the relay.

In summary, the Tyco CB-1021B-78 Delay Relay is a high-quality and versatile electrical component that provides reliable and precise delay switching for various applications. Its compact size, easy installation, and robust construction make it a great choice for professionals and DIY enthusiasts alike.

Pros and Cons of Buying Tyco CB-1021B-78 Delay Relay (120VAC, 0.1-10 sec)

The Tyco CB-1201B-78 Delay Relay is a widely used electrical component, especially in industrial automation applications. This relay operates on a 120VAC power source and provides adjustable delay times between 0.1 to 10 seconds. Here are the potential advantages and disadvantages of purchasing this relay:

1. Adjustable Delay: The primary advantage of this relay is the adjustable delay time feature, which allows users to customize the time interval between the activation of the first contact and the subsequent activation of the second contact. This versatility makes the CB-1021B-78 suitable for various automation applications.

2. Robust Design: Tyco is a reputable brand known for manufacturing high-quality electrical components. The CB-1021B-78 relay is designed to withstand harsh industrial environments, ensuring reliability and longevity.

3. Easy Installation: The relay has a standard size and a simple wiring scheme, making it easy to install and integrate into existing control systems.

1. Power Consumption: Although the relay is designed for industrial applications, it consumes some power even when not in use. This power consumption may contribute to increased energy costs in applications where power savings are essential.

2. Limited Current Rating: The CB-1021B-78 relay is rated for a maximum current of 0.1 A. Users with higher current requirements may need to consider alternative solutions.

3. Cost: Compared to basic relays, the Tyco CB-1021B-78 delay relay comes at a higher price due to its adjustable delay feature and robust design.

The Tyco CB-1021B-78 Delay Relay is an excellent choice for industrial automation applications where adjustable delay times are required. Its robust design, ease of installation, and versatility make it a reliable and valuable component for various control systems. However, its higher cost, power consumption, and limited current rating may be disadvantages for some users. Ultimately, the decision to purchase this relay depends on the specific requirements and constraints of the intended application.

If your application demands an adjustable delay relay with a 120VAC power source, the Tyco CB-1021B-78 is a reliable and versatile option. However, carefully consider your budget, power requirements, and current needs before making a purchase. If the relay's limitations do not suit your application, alternative solutions with different specifications should be explored.

Details:

USED, Items plastic housing is broken. These services include: UPS 3 Day Select. UPS 2 Day Air AM. The cost of combined shipping depends on weight, location buyer and size box.

Prices for these options may differ from standard ground shipping. UPS Next Day AM. Item is sold as pictured.

Tyco CB-1021B-78 Adjustable Time Delay Relay, 120 VAC Input, 0.1-10 Seconds, 10 Amps.

part #: cb1021b78 price

• $455.00

specifications timerrelatime:

• brand: Tyco
• mpn: Cb-1021b-78

shipping timerrelatime:

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• carrier: USPS, UPS
• transit: 3-7 Days
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail, UPS Next Day Air
• class: Standard, Expedited, One-day
• cost: $10.15

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general timerrelatime:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > Timer Modules

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• # reviews: 27012
• city: Kawkawlin, Michigan
• rating: 100.0%

offer timerrelatime:

• started: March 4, 2026
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• options: Ship-to-home
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• quantity: 1
• availability: In Stock

returns timerrelatime:

• time: 30 Days
• method: Money back
• policy: Returns Accepted
• paid by: Buyer

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