HG35-1LD3-0000 WATLOW Mercury Displacement Relay

Review WATLOW Mercury Displacement Relay 35a 120vac Used Excellent

The Watlow HG35-1LD3-0000 Mercury Displacement Relay is a versatile and reliable electrical switching component designed for heavy-duty applications. This 35 A, 120V AC relay is part of Watlow's HG Series, which is known for its robust design and excellent performance in various industrial settings.

The Mercury Displacement Relay operates using a mercury switch, which provides a hermetically sealed contact system that is resistant to dust, moisture, and other contaminants. This feature makes it an ideal choice for applications where the environment can be harsh or unforgiving, such as in manufacturing processes or HVAC systems.

The relay comes with a compact and rugged design, making it easy to install and integrate into various control systems. It measures 3.5 x 2.5 x 1.0 inches (89.0 x 63.5 x 25.4 mm) and features a screw terminal block for easy wiring.

The HG35-1LD3-0000 Mercury Displacement Relay has a contact rating of 35 A at 120V AC, and it can switch up to 25 amperes at 250V AC. It also has a maximum operating temperature of 125 F (52 C) and a maximum switching frequency of 30 Hz.

This relay is suitable for use in a wide range of industrial applications, including temperature control systems, process control systems, and HVAC systems. Its mercury switch provides reliable and accurate switching, ensuring that the equipment it is connected to operates efficiently and effectively.

The Watlow HG35-1LD3-0000 Mercury Displacement Relay is built to last, with a long service life and a high level of reliability. It is also RoHS compliant, meaning that it contains no lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBBs), or polybrominated diphenyl ethers (PBDEs).

In summary, the Watlow HG35-1LD3-0000 Mercury Displacement Relay is a high-performance, heavy-duty electrical switching component that is ideal for use in harsh industrial environments. Its compact design, rugged construction, and reliable mercury switch make it a valuable addition to any control system, ensuring that equipment operates efficiently and effectively.

The Watlow HG35-1LD3-0000 Mercury Displacement Relay is a 35A, 120VAC device designed for use in various temperature control applications. This relay operates by using a mercury switch to make or break the electrical circuit. Below are some pros and cons that may help you decide if this relay is the right choice for your specific application.

1. High Current Capacity: The HG35-1LD3-0000 can handle a current of up to 35 Amps, making it suitable for applications requiring a larger current flow.

2. Voltage Compatibility: This relay operates on a standard 120VAC voltage, making it widely compatible with various temperature control systems.

3. Compact Size: Despite its high current capacity, the HG35-1LD3-0000 has a compact design, which can save space in your control panel.

4. Durable: Mercury relays are known for their long service life and reliability in harsh environments.

1. Environmental Concerns: Mercury is a hazardous substance, and the disposal of mercury relays requires special precautions to prevent environmental contamination.

2. Cost: Mercury relays, due to their construction and environmental concerns, tend to be more expensive than solid-state relays or other types of electromechanical relays.

3. Complexity: Mercury relays contain a hazardous substance and require more maintenance than solid-state relays or other types of electromechanical relays.

The Watlow HG35-1LD3-0000 Mercury Displacement Relay offers a high current capacity, compatibility with standard 120VAC voltage, and a compact design. However, it comes with environmental concerns, a higher cost, and increased complexity due to the use of mercury. If your application does not require the high current capacity or mercury switch technology, you may want to consider other types of relays that are more cost-effective and easier to manage.

If your application requires a high current capacity and is compatible with a mercury relay, the Watlow HG35-1LD3-0000 could be an excellent choice. However, if you are looking for a more cost-effective and easier-to-manage solution, consider solid-state relays or other types of electromechanical relays that do not use mercury. Always consult with a qualified electrical professional to ensure that the chosen relay is appropriate for your specific application.

Details:

Watlow HG35-1LD3-0000 mercury displacement relay 35a 120vac - used, excellent, fully functional item removed from a decommissioned machine. used, fully functional item removed from a decommissioned machine.

specifications genpurrelays:

• brand: Watlow
• mpn: Hg35-1ld3-0000
• type: Mercury Displacement Relay
• country of origin: United States

shipping genpurrelays:

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

seller genpurrelays:

• # reviews: 2172
• city: medina, new york
• rating: 99.8%

general genpurrelays:

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

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offer genpurrelays:

• best offers: true
• availability: in stock
• in stock #: 2
• options: ship-to-home
• started: march 23, 2026
• prices: $60.38–$99.99
• item condition: Used
• sold #: 15

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• policy: no returns