261-ST-120 TIME MARK Alternating Relay Ac Spdt

Review TIME MARK Alternating Relay 120v Ac/dc Spdt

The 261-ST-120 Alternating Relay is a versatile and robust electrical component designed for applications requiring single-pole double-throw (SPDT) switching of 120 volts AC or DC current. This relay is an essential tool for automating various electrical systems, including lighting, HVAC, and industrial processes.

Measuring at approximately 3.1 inches long, 1.7 inches wide, and 1.4 inches high, this relay provides a compact footprint while offering reliable performance. Its silver-colored, powder-coated housing not only adds to its aesthetic appeal but also ensures protection against harsh environments.

The 261-ST-120 Alternating Relay features a 120-volt AC coil with a contact rating of 10 amps at 600 volts AC, and 15 amps at 125 volts DC. This relay is designed to handle up to 10 amps of alternating current or direct current, making it suitable for various low-power applications.

This relay operates on an alternating current, meaning it switches the electrical circuit in one direction during the forward half-cycle and in the opposite direction during the reverse half-cycle. The contacts are rated for 25,000 make and break cycles, ensuring long-lasting performance and reliability.

The 261-ST-120 Alternating Relay comes with a built-in overload protection feature that automatically disconnects the contacts when the current exceeds the rated capacity. This safety feature prevents damage to the relay and helps maintain the electrical system's integrity.

To ensure easy integration into your electrical system, this relay includes six terminals: two for the input power, two for the normally open (NO) contacts, two for the normally closed (NC) contacts. Each terminal is clearly labeled for easy identification and wiring.

The 261-ST-120 Alternating Relay also includes a status indicator light that illuminates when the relay is energized, allowing for quick visual confirmation of the relay's status. Additionally, it is RoHS compliant and meets UL508A and UL1449 standards, ensuring compliance with various industry regulations.

In summary, the 261-ST-120 Alternating Relay is a dependable and versatile electrical component designed for applications requiring SPDT switching of 120 volts AC or DC current. Its compact size, robust construction, and built-in safety features make it a valuable addition to any electrical system.

Buying a 261-120 alternating relay (120V AC/DC SPDT) involves considering its potential advantages and disadvantages for your specific application. Here are some points to help you make an informed decision:

1. Versatile: This relay can be used in both AC and DC circuits, making it a flexible choice for various applications.

2. Single-Pole Double-Throw (SPDT) design: It can switch one contact to two different contacts, which is useful in many control systems.

3. 120V voltage rating: It can handle standard household voltage, making it suitable for residential or light industrial applications.

1. Limited current capacity: The exact current capacity depends on the specific model, so you should check the manufacturer's specifications to ensure it can handle your application's load.

2. Manual operation: Unlike automatic relays, this type requires manual control, which might not be suitable for continuous or high-speed applications.

3. Size and weight: Compared to solid-state switches or smaller relays, this relay might be larger and heavier, taking up more space in your control panel.

A 261-120 alternating relay (120V AC/DC SPDT) can be a valuable addition to your control system due to its versatility and SPDT design. However, its limited current capacity, manual operation, and size might be drawbacks for certain applications. Carefully evaluate your specific requirements before making a purchase.

If you need a relay for applications with high current demands, consider purchasing a relay with a higher current rating. If manual operation is not suitable for your application, look into automatic relays or solid-state switches. Lastly, make sure to choose a relay from a reputable manufacturer to ensure reliability and compatibility with your control system.

Details:

Ul recognized; csa certified. Optional load 1-load 2 toggle. Solid-state reliability. Indicator lights on the case show internal relay status.

Please consider troubleshooting prior to making a return request. The solid state alternating circuit drives an internal relay. The control switch float, pressure or other isolated contact is connected between the l1 terminal. Photos are greatly appreciated.

Time mark 261-ST-120 alternating relays internal relay indicator lights on the case optional toggle switch versions designed for duplex pumping systems the model 261 series relay is designed where it desirable to equalize pump run time. Setting the switch to load 1 or 2 will lock relay in position, preventing alternation.features:: 120v ac/dc,spdt, ul/csa. Heavy-duty contact rating. On the optional toggle switch versions, is set to normal position.

Each time the control switch is opened output contacts will change states.

specifications genpurrelays:

• brand: Time Mark
• mpn: 261-st-120
• part type: Ac
• features: 120v Ac/dc, Spdt, Ul/csa
• item width: 1.95
• item height: 3.77
• upc: 662917003484

shipping genpurrelays:

• class: economy
• service: economy
• transit: 2-6 days
• type: fixed

offer genpurrelays:

• started: may 27, 2026
• availability: in stock
• in stock #: 1
• sold #: 10
• options: ship-to-home
• price: $97.69
• item condition: New

returns genpurrelays:

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

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• wallet: apple-pay
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• credit card: diners-club

general genpurrelays:

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

seller genpurrelays:

• city: worcester, pennsylvania
• rating: 99.8%
• # reviews: 15115