SQUARE D 8501HO40 Relays 785901800023

( Brand: Square D ), ( UPC: 785901800023 ), ( Type: Relays ), ( Weight: 42.40 ), ( Manufacturer Part Number: 8501HO40 )

Review SQUARE D Square8501ho40 Relays

Introducing the Square D Model 8501HO40 Relay, a versatile and high-performing electromechanical switching device designed for various applications in commercial and industrial settings. This relay is part of Square D's HO series, which stands for Heavy Duty and High-Performance, reflecting its robust design and dependable operation.

The 8501HO40 is a 4-form-A, 2-form-C, 4-input, 2-output relay, meaning it can handle up to 4 inputs and 2 outputs. Each input can handle up to 10 amperes at 125 volts AC, while each output can handle up to 15 amperes at 125 volts AC. The relay operates on a 125 volts AC coil voltage.

This relay features a contact configuration of NO-NC-NC for the first pair of outputs, and NO-NO for the second pair. The contacts are silver-plated and have a contact rating of 10,000 cycles minimum at rated voltage and current. The contacts are also rated for a contact voltage of 277 volts AC RMS, making it suitable for use in a wide range of industrial applications.

The 8501HO40 relay comes with an integral overload protector, which helps prevent damage to the contacts due to overload conditions. It also has a built-in coil fuse that protects the coil from short circuits. The relay's contacts are mechanically interlocked to ensure that the contacts of the output remain open until the corresponding input is de-energized.

This Square D relay is designed for easy installation with a standard mounting pattern and a grounding lug for proper grounding. It has a compact size of 1.6 inches by 2.5 inches by 1.4 inches, making it suitable for use in cramped spaces. The relay's operating temperature range is from 32 F to 104 F (0 C to 40 C), making it suitable for use in a variety of environments.

The Square D 8501HO40 relay is a reliable and high-performing electromechanical switching device, suitable for use in various industrial applications where dependable switching is required. Its robust design, high contact rating, overload protection, and easy installation make it a popular choice among electrical engineers and maintenance personnel.

The Square 8501HO40 relays are opto-isolated, solid-state relays commonly used in various automation and control applications. Here are some pros and cons of buying these relays:

1. Opto-isolated: These relays provide electrical isolation between the control and the load circuits, ensuring safety and preventing potential damage from voltage surges or short circuits.

2. Solid-state: They do not have mechanical contacts, making them more reliable and less prone to wear and tear compared to traditional electromechanical relays.

3. Compact size: The Square 8501HO40 relays have a small form factor, making them suitable for use in space-constrained applications.

4. Wide operating temperature range: These relays can operate in temperatures ranging from -40 C to 85 C, making them suitable for use in various industrial environments.

5. High switching capacity: They can handle a maximum switching current of 1A and a maximum switching voltage of 250VAC, making them suitable for controlling a wide range of loads.

1. Cost: Square 8501HO40 relays may be more expensive than traditional electromechanical relays due to their advanced features and construction.

2. Limited number of channels: These relays typically come in single-channel configurations, so if you need to control multiple loads, you may need to purchase multiple relays.

3. Limited input voltage range: The opto-isolated inputs can only accept voltages up to 36VDC, which may not be suitable for all applications.

In conclusion, the Square 8501HO40 relays offer several advantages, including electrical isolation, solid-state construction, compact size, wide operating temperature range, and high switching capacity. However, they may be more expensive than traditional relays, and they may not be suitable for applications requiring multiple channels or high input voltages.

Based on the information provided, I would recommend considering these relays for applications where electrical isolation, solid-state construction, compact size, and high switching capacity are essential requirements, and budget is not a major concern. If you require multiple channels or higher input voltages, you may want to consider alternative solutions.

Details:

Condition: Unused Surplus - In Original Box Product/Box may have shelf wear This Product Does Not Carry Manufacturers Warranty. Surplus product, in Un-Used condition, fully functional with minor cosmetic defects. OEM, NSB, NNB, NWD, and REF. Surplus product, in Un-Used condition, may have minor wear on packaging.

Product width : 6.00 In. Surplus product, in Un-Used condition, missing the original packaging. Product Notes Refurbished product, fully functional and repaired to OEM or better standards. Items do not carry a Manufacturers Warranty.

These items are sold as is and purchased at buyers risk. NWD: Un-Used Surplus with Minor Defects. Product length : 7.00 In. As the product would be bought and sold in standard supply chain.

Product height : 5.00 In. Damaged product, not fit for use or installation, sold parts. Used product, no damage, may have cosmetic defects, be missing original packaging. We buy and sell products in the following conditions.

Best Offer Accepted?: Yes, Sales Phone Number: Number x OEM: From the Original Equipment Manufacturer or In-House Warranty.

part #: 8501ho40 prices

• $44.99-$57.01

specifications plcmechanize:

• brand: Square D
• upc: 785901800023
• type: Relays
• weight: 42.40
• manufacturer part number: 8501HO40

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• started: June 6, 2025
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• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors
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