CURTIS WC-8559 Wilbur Relay Solid 280V/40A

( Brand: Curtis ), ( Manufacturer Part Number: WC-8559 )

Review CURTIS Wilbur Relay Solid State 280v/40a fits 280V

The Curtis WC-8559 Wilbur Relay is a solid-state, 280V/40A contactor designed for heavy-duty industrial applications. This reliable and efficient device is an essential component in controlling and managing electrical circuits in various industries such as manufacturing, automation, and power generation.

The Curtis WC-8559 Wilbur Relay features a solid-state design, which means it uses semiconductor components instead of traditional electromechanical contacts. This design provides several advantages, including faster switching times, longer contact life, and improved reliability. The relay operates at a voltage range of 280V AC and can handle a maximum current of 40 Amperes.

The contactor has a robust construction, with a die-cast aluminum housing that offers excellent heat dissipation and protection against environmental hazards. The terminal blocks are designed with large, easy-to-grip screws and are rated for 600V AC, ensuring a secure and reliable connection. The relay also comes with an integral overload heater, which provides protection against overloads and short circuits.

The Curtis WC-8559 Wilbur Relay is available in various configurations, including normally open (NO), normally closed (NC), and changeover (CO) contacts. It also comes with a built-in coil, which simplifies wiring and reduces the need for additional components. The relay is suitable for use in harsh environments and can operate in temperatures ranging from -20 C to 60 C.

The Curtis WC-8559 Wilbur Relay is an excellent choice for applications that require high current handling capacity, reliable switching, and long-lasting performance. Its solid-state design, robust construction, and versatile configurations make it a preferred option for industrial automation, power control, and other demanding applications.

The Curtis WC-8559 Wilbur Relay is a solid-state contactor designed for use in 280V/40A electrical systems. This device is widely used in various industrial applications due to its reliability and robustness. Here are some pros and cons of buying this contactor:

1. Solid-state design: The Curtis WC-8559 contactor uses solid-state technology, making it more reliable and longer-lasting compared to traditional electromechanical contactors.

2. High current capacity: With a maximum current rating of 40A, this contactor can handle larger loads compared to other contactors in its class.

3. Fast switching times: Solid-state contactors like the Curtis WC-8559 have much faster switching times compared to electromechanical contactors, making them ideal for applications where quick response is necessary.

4. Low power consumption: The contactor consumes very little power when in the standby mode, reducing energy costs over time.

5. Protected against overload and short-circuit: The contactor is equipped with built-in overload protection and short-circuit protection, ensuring the safety of the electrical system and the equipment connected to it.

1. Higher initial cost: Solid-state contactors like the Curtis WC-8559 are more expensive than traditional electromechanical contactors due to their advanced technology and design.

2. Limited application range: The contactor is designed for use in 280V electrical systems, limiting its application range compared to contactors that support a wider range of voltage levels.

3. Limited repairability: Since solid-state contactors use integrated circuits and other advanced components, they may not be easily repairable if they fail. Instead, they may need to be replaced entirely.

The Curtis WC-8559 Wilbur Relay is an excellent option for industrial applications that require a reliable, high-current contactor with fast switching times. Its solid-state design makes it more durable and longer-lasting compared to traditional contactors. However, it has a higher initial cost and limited application range, and may not be easily repairable if it fails.

If you have a requirement for a reliable, high-current contactor in a 280V electrical system, the Curtis WC-8559 Wilbur Relay is a great choice. Despite its higher initial cost, its advanced features and benefits can help save costs over time through increased reliability and energy efficiency. However, it is important to ensure that the contactor is used within its specified voltage range and that appropriate safety measures are in place to protect against overload and short-circuit.

Details:

RELAY, SOLID STATE 280V/40A W WILBUR CURTIS.

part #: wc8559 prices

• $53.35-$347.16

specifications toolssupp:

• for models: 280v
• brand: Curtis
• mpn: Wc-8559

general toolssupp:

• condition: New
• Motors > Automotive Tools Supplies > Other Auto Tools Supplies

seller toolssupp:

• # reviews: 4409
• rating: 94.8%
• city: Morton Grove, Illinois

returns toolssupp:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

shipping toolssupp:

• cost: $0.00
• type: Fixed
• carrier: UPS
• service: UPS Ground
• transit: 3-5 Days
• class: Standard

offer toolssupp:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: October 26, 2025

payments toolssupp:

• credit card: Discover
• other
• wallet: Google-pay

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