91-901 WHITE-RODGERS Relay

Review WHITE-RODGERS New Relay

The White-Rodgers 91-901 is a versatile and reliable electric single-pole, double-throw (SPDT) relay designed for use in HVAC (Heating, Ventilation, and Air Conditioning) systems. This electrically operated switch features three terminals, allowing for various wiring configurations to suit different applications.

The 91-901 relay is designed with a coil voltage range of 100-120VAC and a coil wattage of 0.21 watts. Its contacts can handle a maximum current of 10 amperes at 250 volts AC, ensuring it can handle typical HVAC loads. The contacts are rated for 10,000 cycles, providing durability and reliability for long-term use.

The White-Rodgers 91-901 is constructed with high-quality materials and components, ensuring its ability to withstand the rigors of HVAC applications. It is compact in size, measuring 2.5 inches long, 1.5 inches wide, and 1 inch high, making it a suitable choice for applications where space is limited.

This relay also features a latching action, which means that once the contacts are closed by the coil, they will remain in that position even after the coil voltage is removed. This can be useful in applications where it is desirable to maintain the contacts in a specific position without the need for continuous power to the coil.

The White-Rodgers 91-901 comes with a clear and concise labeling of its terminals, making it easy to identify the correct wiring configuration for your application. It is also RoHS compliant, meaning it contains no restricted substances, making it an environmentally friendly choice.

The 91-901 relay is a popular choice for HVAC professionals and DIY enthusiasts alike due to its reliable performance, versatility, and ease of use. It is an essential component for controlling various functions in HVAC systems, such as fan control, compressor contactor, and temperature control. With its robust construction, clear labeling, and long-lasting contacts, the White-Rodgers 91-901 is an excellent investment for anyone working on HVAC systems.

White-Rodgers 91-901 is a commonly used single-pole, normally open (SPNO) relay with a coil voltage rating of 120V AC. Here are some pros and cons of buying this particular relay:

1. Reliable: White-Rodgers is a well-known brand in the HVAC industry, known for producing high-quality components. The 91-901 relay is no exception, and it is known for its reliability and durability.

2. Easy to Install: This relay is easy to install due to its standard size and simple wiring requirements. It can be used in a variety of applications, making it a versatile choice.

3. Affordable: The 91-901 relay is an affordable option compared to some other relays on the market, making it an attractive choice for those on a budget.

4. UL Listed: The relay is UL listed, which means it has been tested and certified to meet certain safety standards, ensuring peace of mind for the user.

1. Limited Current Capacity: The 91-901 relay has a current capacity of 10 amps, which may not be sufficient for heavy loads.

2. Only One Form of Protection: This relay only provides overload protection, and it does not offer short-circuit or thermal protection.

3. Manual Reset: The relay requires manual reset after tripping, which can be inconvenient for some applications.

4. Limited Operating Temperature Range: The 91-901 relay is designed to operate in temperatures ranging from 32 F to 122 F (0 C to 50 C).

The White-Rodgers 91-901 relay is a reliable, affordable, and easy-to-install option for simple applications requiring a single-pole, normally open relay. However, it may not be suitable for applications with heavy loads or temperature extremes. Additionally, it only provides overload protection and requires manual reset after tripping.

If you have a simple application with a light load and do not require short-circuit or thermal protection, the White-Rodgers 91-901 relay could be a good choice due to its reliability, affordability, and ease of installation. However, if you have heavier loads or require additional protection features, it may be worth considering other options with higher current capacity and more comprehensive protection features.

Details:

White Rodgers.

specifications genpurrelays:

• brand: White-rodgers
• mpn: 91-901

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