WR-3400-82 UNIVERSAL-DOUGLAS Relay Drive Unit

Review UNIVERSAL-DOUGLAS Relay Drive Unit

The Universal-Douglas WR-3400-82 Full-2way Relay Drive Unit is a versatile and robust solution for automating various industrial control applications. This 4-relay unit is a part of Douglas Electric's W Series, engineered to deliver reliable and efficient performance in harsh environments.

Each relay in this unit comes with a full-make contact, providing a complete switching function for both Form A and Form C applications, offering users the flexibility to control their systems using various Boolean logic applications. Moreover, the WR-3400-82 is a 2-way relay drive unit, meaning it provides contact closure indication feedback to monitor the status of the contacts and the coil, enhancing the safety and the control accuracy.

The relays in this unit are equipped with gold-plated contacts that offer superior electrical conductivity, ensuring long-term reliability and minimal contact bounce. They also feature low contact resistance, enabling fast switch times and reduced power consumption. The contacts' rated coil voltage is 120VAC, and they support a maximum contact rating of 15A at 600VAC.

This Universal-Douglas relay drive unit is designed for use in industrial environments subjected to high humidity and temperatures, making it an excellent choice for various applications in factories, power plants, water treatment facilities, and more. The two mounting options available - DIN rail and panel - ensure easy integration into control panels and other electrical systems.

Additionally, the WR-3400-82 is RoHS and UL508C compliant, meeting the strict safety and environmental standards established for industrial control equipment. The relay unit's outer casing is made from durable materials, providing adequate protection against environmental stressors that may affect the reliability of electrical components. This ensures that the unit is suitable for continuous operation in the harshest of industrial conditions.

The Universal-Douglas WR-3400-82 is a full-2 way relay drive unit with four relays. This type of device can be valuable for various applications such as controlling heavy loads, automating processes, or managing complex electrical systems. Here are some potential advantages and disadvantages of buying this relay drive unit:

1. High Load Capability: The WR-3400-82 is designed to handle heavy loads, up to 5 amps per contact and 10 amps per coil. This makes it ideal for applications where large electrical currents are required.

2. Versatile: With four relays, each configurable for both Form A and Form B contacts, this relay drive unit can accommodate a wide range of applications.

3. Durable: The WR-3400-82 is designed to withstand harsh environments with its IP20 ingress protection rating.

4. Compact Size: Despite its ability to handle large electrical loads, the WR-3400-82 has a compact size, making it easy to install in tight spaces.

5. Easy to Install: The relay drive unit comes with a mounting bracket and screw terminal terminals, making the installation process simple and straightforward.

1. Installation Wiring: The WR-3400-82 requires extensive wiring for its multiple contacts and coils, which can be time-consuming and complex to set up.

2. Cost: The unit may have a higher cost compared to smaller and simpler relays due to its heavy load capacity and versatility.

3. Limited protection against overvoltage: The WR-3400-82 does not have built-in protection against overvoltage, which might require additional components for applications with potentially high voltage spikes.

The Universal-Douglas WR-3400-82 full-2 way relay drive unit offers several advantages, such as high load capability, versatility, durability, compact size, and easy installation. However, it also has certain disadvantages, including the complex installation process due to multiple contacts and coils, a higher cost compared to simpler relays, and a lack of built-in protection against overvoltage.

If your application requires controlling heavy loads, accommodating various contact types, and wishing for a compact size, the WR-3400-82 full-2 way relay drive unit might be an excellent investment. However, consider the installation complexity, the additional cost, and the need for additional voltage protection when making your final decision.

Details:

Items purchased without making special shipping arrangements will not be honored. Combined shipping, some orders qualify for combined shipping discounts. Universal-douglas WR-3400-82 FULL-2WAY relay drive unit, 4-RELAY new page manufacturer:universal-douglas, our part number:Invar-3400-82, catalog number:wr-3400-82, condition: new, condition notes:new in box, combined shipping:yes, spec sheet: accessories included: not retail price:$119.

specifications genpurrelays:

• brand: Universal-douglas
• mpn: Wr-3400-82
• part type: Drive Unit
• color: Black
• product height: 2.38
• product length: 2.00
• product width: 1.88
• upc: 703158653592

returns genpurrelays:

• policy: no returns

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• carrier: ups
• service: ups ground, ups 3 day select, ups 2nd day air, ups next day air
• transit: 4-8 days
• type: calculated
• class: standard, expedited, one-day

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• rating: 99.2%
• # reviews: 29957
• city: las vegas, nevada

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

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offer genpurrelays:

• sold #: 26
• started: january 22, 2025
• prices: $55.20–$84.50
• item condition:
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• options: ship-to-home
• in stock #: 3
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• availability: in stock