HG-1002 C.P. CLARE Mercury Wetted Contact Relay Octal

Review C.P. CLARE Mercury-wetted Contact Relay 8-pin Octal 5a 500v

The CP Clare HG-1002 Mercury-Wetted Contact Relay is an octal, 8-pin device designed for heavy-duty applications in various industries. This 5A, 500V relay is engineered to deliver superior performance and reliability in harsh environments where contamination by moisture or chemicals is prevalent.

The HG-1002 features mercury-wetted contacts that ensure reliable operation even in the presence of moisture, oil, or other contaminants. These contacts are coated with a thin layer of mercury for a virtually maintenance-free operation. The mercury vaporizes when the contacts are energized, forming a conductive path, and condenses when the contacts are de-energized, sealing the contact points and preventing contamination.

This 8-pin octal relay has a coil voltage range of 120VAC to 240VAC, and it can handle a coil current of up to 5A. The contacts can handle a maximum load current of 5A and a maximum voltage of 500V. The relay has a contact rating of 100 million cycles, ensuring long-lasting performance.

The HG-1002 is housed in a rugged, die-cast aluminum case that provides excellent protection against vibration, shock, and other environmental hazards. The relay is also RoHS compliant, making it an eco-friendly option for your application.

The relay offers a variety of operating modes, including normally open (NO), normally closed (NC), and changeover (CO) configurations. It also features a built-in coil overvoltage protection and a contact bounce time of less than 1 millisecond, ensuring fast and accurate switching.

The CP Clare HG-1002 Mercury-Wetted Contact Relay is an ideal solution for applications in industries such as water and wastewater treatment, oil and gas, and chemical processing, where contamination is a concern. Its superior performance, reliability, and rugged construction make it a popular choice among engineers and technicians who demand the best from their equipment.

The C.P Clare HG-1002 Mercury-Wetted Contact Relay is an 8-pin, octal, 5A, 500V device designed for heavy-duty applications. This type of relay uses mercury switches to make contacts, offering excellent electrical performance and long contact life. Here are some pros and cons of buying this relay:

1. High contact rating: With a contact current of 5A and a voltage rating of 500V, this relay can handle heavy loads and high voltages.

2. Long contact life: Mercury-wetted contacts have a longer contact life compared to other types of contacts, making them suitable for applications where contact bouncing or arcing could be a problem.

3. Excellent electrical performance: Mercury-wetted contacts provide low contact resistance, resulting in fast switching times and minimal power loss.

4. Rugged design: The HG-1002 is designed for heavy-duty applications and can withstand high temperatures and harsh environments.

5. Versatile: This relay can be used in various industries, including power generation, transportation, and automation.

1. Cost: Mercury-wetted relays are more expensive than other types of relays due to the cost of the mercury contacts.

2. Environmental concerns: Mercury is a hazardous material and must be handled and disposed of properly.

3. Maintenance: Mercury-wetted relays require regular maintenance to ensure the mercury contacts remain in good condition.

4. Size and weight: The HG-1002 is larger and heavier than other types of relays due to the use of mercury contacts.

5. Fragility: Mercury-wetted relays are more fragile than other types of relays and can be damaged if dropped or subjected to shock.

The C.P Clare HG-1002 Mercury-Wetted Contact Relay is a high-performance, heavy-duty relay suitable for applications where long contact life and excellent electrical performance are required. However, its high cost, environmental concerns, maintenance requirements, size, and weight are important considerations.

If you require a heavy-duty relay with long contact life and excellent electrical performance, the C.P Clare HG-1002 Mercury-Wetted Contact Relay is a good choice. However, if cost is a concern or if you can use a different type of relay, such as a solid-state or reed relay, it may be worth considering those options instead. Additionally, proper handling, disposal, and maintenance of the mercury-wetted relay are essential to ensure its longevity and safe operation.

Details:

Clare HG-1002 mercury-wetted contact relay is a high-quality 8-pin octal relay designed for electrical equipment and supplies in various industrial commercial applications. The brand name C.p. Clare is known for producing reliable and durable electrical components, making this relay a dependable choice businesses industrial settings requiring solution.

specifications genpurrelays:

• brand: C.p. Clare
• mpn: Hg-1002
• unit type: Unit
• maximum amperage: 5a
• coil voltage: 500v

seller genpurrelays:

• rating: 100.0%
• # reviews: 6810
• city: buda, texas

offer genpurrelays:

• in stock #: 3
• sold #: 11
• options: ship-to-home
• best offers: true
• availability: in stock
• started: december 16, 2025
• prices: $65.77–$100.00
• item condition:
  • New – Open box
  • Used

payments genpurrelays:

• credit card: mastercard
• wallet: apple-pay
• other

returns genpurrelays:

• policy: returns accepted
• paid by: seller
• method: money back
• time: 30 days

shipping genpurrelays:

• class: standard
• carrier: usps
• type: fixed
• service: usps ground advantage
• transit: 4-11 days

general genpurrelays:

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