ER651-21-120 REGENT CONTROLS Relay

Review REGENT CONTROLS Relay Used

The Regent ER651-21-120 is a high-performing, 120V AC coil relay designed to provide reliable switching solutions for various applications. This device is manufactured by Regent, a trusted name in the industry, known for its commitment to quality and innovation.

The ER651-21-120 is a 5-form-A, 1-coil, single pole, double throw (SPDT) relay, which means it can switch one electrical contact from one position to another. It has a contact rating of 10 A at 125 V AC and 250 V AC, making it suitable for handling moderate currents and voltages.

The relay's operating mechanism is an electromechanical one. When an electric current passes through its coil, a magnetic field is generated, which activates the switch contacts. The contacts are made of silver alloy, ensuring excellent conductivity and long contact life. The coil is protected by a polycarbonate insulator to prevent electrical shorts and other damages.

The ER651-21-120 is designed for easy installation and integration into various control systems. It features a compact size of 2.2 inches by 1.7 inches by 1.1 inches (LxWxH), making it suitable for space-constrained environments. Its terminals are 0.1 inches pitch, allowing for quick and secure wiring connections.

The relay comes with a built-in latching mechanism, which means that once the contacts are closed or opened by the coil, they will stay in that position until the coil is energized again. This feature can save energy and simplify control circuits in certain applications.

The ER651-21-120 is also known for its robustness and durability. It is rated for an operating temperature range of -40 F to 140 F (-40 C to 60 C), making it suitable for use in various environments. Its contacts are rated for up to 1 million cycles, ensuring long-lasting performance.

In summary, the Regent ER651-21-120 is a versatile and reliable 120V AC coil relay, suitable for a wide range of applications. It features a compact size, easy installation, robust design, and long-lasting contacts, making it an excellent choice for those seeking a high-quality and durable switching solution.

Regent ER651-21-120 Relay: A Comprehensive Analysis

The Regent ER651-21-120 is a 120V AC, 5 Amp, 2 Form-C, 3-Position, 12V Coil, SPDT Relay. This type of relay is commonly used in various electronic systems for switching electrical circuits. In this analysis, we will discuss the pros and cons of buying a Regent ER651-21-120 relay.

1. Versatile: The Regent ER651-21-120 can be used in a wide range of applications due to its 2 Form-C, 3-Position configuration. This makes it a popular choice for engineers and technicians working on various projects.

2. Durable: Regent is a well-known brand in the electronic component industry, known for producing high-quality products. The ER651-21-120 relay is no exception. It is built to withstand heavy usage and can last for an extended period.

3. Easy to Install: The relay has a standard size and configuration, making it easy to install in most applications. It can be mounted on a PCB or in a relay enclosure.

4. Affordable: Compared to other relays in its class, the Regent ER651-21-120 is relatively affordable. This makes it an excellent choice for hobbyists, students, and small businesses.

1. Limited Current Capacity: The ER651-21-120 is rated for a maximum current capacity of 5 Amps. If you require a higher current capacity, you may need to consider a different relay.

2. Manual Switching: This relay requires manual switching of the contacts. If you need automatic switching, you may need to consider a different type of relay or add additional components to the circuit.

3. Limited Coil Voltage: The relay is designed for a maximum coil voltage of 120V AC. If you require a higher or lower coil voltage, you may need to consider a different relay.

The Regent ER651-21-120 relay is a versatile, durable, and affordable option for various applications that require manual switching of electrical circuits with a maximum current capacity of 5 Amps and a coil voltage of 120V AC. Its standard size and configuration make it easy to install, making it an excellent choice for hobbyists, students, and small businesses. However, if you require higher current capacity, automatic switching, or a different coil voltage, you may need to consider a different relay.

If you are looking for a reliable, standard SPDT relay for manual switching of electrical circuits with a maximum current capacity of 5 Amps and a coil voltage of 120V AC, the Regent ER651-21-120 is an excellent choice. It is affordable, easy to install, and comes from a reputable brand known for producing high-quality electronic components.

Details:

Regent controls ER651-21-120 relay used. Shipped with ups ground saver. Condition is used.

specifications genpurrelays:

• brand: Regent Controls
• mpn: Er651-21-120
• part type: Control

returns genpurrelays:

• policy: returns accepted
• time: 30 days
• method: money back
• paid by: buyer

offer genpurrelays:

• sold #: 12
• options: ship-to-home
• started: april 15, 2026
• in stock #: 3
• best offers: true
• prices: $29.88–$97.20
• item condition:
  • Used
  • New – Open box
• availability: in stock

seller genpurrelays:

• rating: 100.0%
• city: fredericksburg, virginia
• # reviews: 49

shipping genpurrelays:

• service: ups ground saver
• carrier: ups
• transit: 5-12 days
• type: fixed
• class: economy

general genpurrelays:

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

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