RMA-2 STACO Relay Ac Dpst Electrical Nos Box

Review STACO Quality Relay 110v Ac Dpst Vintage Electrical Nos Box

The STACO RMA-2 Relay is a versatile and robust 110V AC DPST (Double Pole, Single Throw) electrical relay designed for various industrial and commercial applications. This NO (Normally Open) type relay is manufactured by STACO Electric Company, a leading name in power control solutions.

The RMA-2 relay measures 4.5 inches long, 2.4 inches wide, and 1.5 inches high, making it a compact yet effective solution for controlling electrical loads up to 15 amperes. Its DPST configuration allows it to manage two independent circuits with separate contacts for each pole.

The relay features a contact rating of 105 C and a coil rating of 125 C, ensuring reliable performance even in high-temperature environments. The contacts are silver-plated to minimize contact resistance and provide efficient power transfer. The coil is designed to be self-cleaning, reducing the need for maintenance.

The RMA-2 relay comes with a clear and easy-to-read front panel, which displays the status of each contact. The contacts have a visible indicator tab that shows when they are closed or open. The relay also has a built-in LED indicator that illuminates when the coil is energized.

The RMA-2 relay has a robust die-cast aluminum housing that ensures durability and protects the internal components from external factors like moisture, dust, and vibration. The relay is also UL listed, ensuring compliance with the highest safety standards.

The relay comes with a mounting plate that allows for easy installation in a 1-gang electrical box. It also features terminal screws that are accessible from both sides, making wiring connections simple and efficient. The relay can be operated manually using a plunger switch or remotely using a control signal.

The STACO RMA-2 Relay is an excellent choice for applications that require reliable and efficient electrical load control. It is suitable for use in industrial equipment, HVAC systems, lighting control, and various other applications where precise control of electrical circuits is essential. With its robust design, easy installation, and reliable performance, the RMA-2 relay is an indispensable tool for any electrical system.

The STACO RMA-2 relay is a 110V AC, double pole, single throw (DPST) electrical relay often used in various industrial and automation applications. Like any other electrical component, it has its advantages and disadvantages.

1. Reliability: STACO is a reputable brand known for manufacturing high-quality electrical components. The RMA-2 relay is built to withstand heavy usage and harsh environments.

2. Versatility: This relay can be used in various applications due to its DPST configuration, allowing it to control two separate circuits with a single relay.

3. Easy to Install: The RMA-2 relay comes in a compact NO (normally open) box design, making it easy to install and integrate into various control systems.

4. Durable Construction: The relay has a robust and durable construction, with a protective coating to prevent damage from moisture or other environmental factors.

1. Cost: The STACO RMA-2 relay is more expensive than some other relays on the market, which could be a deterrent for those on a tight budget.

2. Limited Current Capacity: The RMA-2 relay has a maximum current capacity of 10 Amps, which might not be sufficient for high-current applications.

3. Manual Operation: This relay requires manual control, meaning it cannot be operated automatically or remotely without additional components.

The STACO RMA-2 relay is a reliable and versatile electrical component suitable for various industrial and automation applications. Its compact NO box design and easy installation make it an attractive option for those looking for a high-quality relay. However, its higher cost and limited current capacity might deter some buyers. Ultimately, the decision to buy the RMA-2 relay depends on the specific requirements of the application and the budget constraints.

If you require a reliable and versatile DPST relay for industrial or automation applications and have the budget for it, the STACO RMA-2 relay is an excellent choice. However, if cost is a concern or you require a relay with a higher current capacity, you might want to consider other options in the market.

Details:

This is a vintage Staco quality relay, model RMA-2, in new old stock condition with its original box and specification sheet. The unit is specified with a single break design and 9/16.s. This complete, unused component is ideal for vintage electronics restoration or as a reliable replacement part. It is designed to operate with a 110v ac coil and features double pole single throw dpst configuration.

specifications genpurrelays:

• brand: Staco
• mpn: Rma-2
• current type: Ac
• type: Power Relay
• application: Electronics, Electrical Wiring
• coil voltage: 101-150 V
• contact configuration: Double Pole Single Throw

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

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• started: january 31, 2026
• price: $24.95
• item condition: New
• in stock #: 1
• availability: in stock
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• sold #: 8

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