HG2A-1017 C.P. CLARE Mercury Wetted Contact Relay

Review C.P. CLARE And Co Hg2a 1017 Mercury Wetted Contact Relay 8-pin

The CP Clare HG2A-1017 Mercury Wetted Contact Relay is a versatile and reliable electrical component designed for various automation and control applications. This 8-pin relay, specifically model number HG2A 1017, features mercury contact technology, ensuring dependable performance even in harsh environments.

The HG2A 1017 Mercury Wetted Contact Relay comes with eight pins, allowing for flexible connection configurations. The first two pins serve as the coil input, while the subsequent six pins are allocated for the normally open (NO) and normally closed (NC) contacts. The NO and NC contacts can switch loads up to 10 amperes at 277 volts maximum, making it suitable for handling medium-sized loads.

The mercury contacts offer excellent electrical conductivity, ensuring quick switching times and minimal contact bounce. The contacts are hermetically sealed in a glass bulb filled with mercury, preventing contamination and providing excellent protection against moisture, dust, and other environmental factors.

The relay housing is made of die-cast aluminum, offering robust construction and excellent heat dissipation properties. The HG2A 1017 Mercury Wetted Contact Relay is designed to operate within a temperature range of -25 C to 60 C, making it suitable for various industrial applications.

This relay also features a slotted coil, which allows for easy wiring and mounting, and a removable terminal block for easy access to the contact terminals. The HG2A 1017 Mercury Wetted Contact Relay is RoHS compliant and comes with a two-year warranty from the manufacturer.

In summary, the CP Clare HG2A-1017 Mercury Wetted Contact Relay is a robust and reliable electrical component designed for various automation and control applications. Its mercury contacts offer excellent conductivity and protection against the environment, while its flexible eight-pin configuration allows for various connection configurations. The aluminum housing provides excellent heat dissipation and robust construction, making it a dependable choice for industrial applications.

Pros and Cons of buying a CP Clare HG2A-1017/HG2A 1017 Mercury Wetted Contact Relay (8-Pin)

The CP Clare HG2A-1017/HG2A 1017 Mercury Wetted Contact Relay (8-Pin) is a commonly used component in various industrial automation applications. This relay offers mercury contacts, which provide excellent contact reliability in harsh environments. In this analysis, we will discuss the key advantages and disadvantages of purchasing this relay model.

1. High Contact Reliability: Mercury contacts in the HG2A-1017 relay ensure reliable switching in extreme temperatures and humid conditions, making it suitable for industrial environments.

2. Wide Operating Temperature Range: The relay can operate in temperatures ranging from -40 C to 85 C.

3. Compact Size: The compact design of the HG2A-1017 makes it suitable for installation in confined spaces.

4. High Load Capacity: This relay can handle a load current of up to 10 A and a voltage rating of 250 VAC/DC.

5. Versatile Applications: The HG2A-1017 can be used in various applications, including process control, power distribution, and machine automation.

1. Contains Mercury: Mercury contacts pose environmental and disposal concerns due to their toxic nature.

2. Higher Cost: Mercury relays tend to be more expensive than their solid-state counterparts due to the use of hazardous materials.

3. Fragile Nature: Mercury contacts are more prone to damage during installation, handling, and maintenance.

4. Limited Lifespan: Mercury relays have a limited lifespan due to the gradual evaporation of mercury over time.

The CP Clare HG2A-1017/HG2A 1017 Mercury Wetted Contact Relay (8-Pin) offers superior contact reliability and wide operating temperature range, making it an excellent choice for harsh industrial environments. However, it comes with some drawbacks, such as the use of hazardous materials, higher cost, fragile nature, and limited lifespan.

If the application requirements call for a mercury relay in a harsh industrial environment, the HG2A-1017 is an excellent option. However, if the application permits, consider using a solid-state relay to avoid the hazards and maintenance concerns associated with mercury relays. Always follow proper safety procedures when handling and disposing of mercury-containing components.

Details:

With the trusted brand of C.p. Made in the USA, this relay features 8 pins for reliable connectivity and has a compact length of 3.5 inches.

specifications genpurrelays:

• brand: C.p. Clare
• mpn: Hg2a-1017
• number of pins: 8-pin
• item length: 3.5
• country of origin: United States

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• # reviews: 3554
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• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

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• in stock #: 5
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• started: december 18, 2025
• prices: $48.99–$149.99
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