Why buy from GID?


We are industry veterans who take pride in our work


Avoid the dangers of risky trading in the gray market


Our network of suppliers is ready and at your disposal


Maintain legacy systems to prevent costly downtime


Time is of the essence, and we are respectful of yours


Part Number 100NC-120A-6A
Category Mercury Relays
Price Request Quote
Lead Time Request Quote


Mercury Relay, 1 Pole, 100A, NC, 120VAC, SPST Nylon Strap Around Poles
MDI mercury relays are all designed to meet the highest demands of our industry! Our mercury relays, also called mercury contactors, are hermetically sealed with high quality glass to metal seals. The stainless steel tube is totally encapsulated in high grade, UL approved epoxy to prevent moisture damage and voltage breakdown. Additional coil voltages and options are available. Mercury relays are also referred to as mercury contactors, mercury relay switches, mercury contactor relays and mercury displacement relays.

Request a Quote

* indicates a required field.
Your Contact Information
Your Company/Organization
Your Requirement
By sending us your information, you are affirming your agreement with our Privacy Policy.
You will not receive unsolicited communications.

Our Process

Our Process: Preparation

Once you accept your quote and confirm your order, we prepare by retrieving related parts and components from our inventory. Anything we do not currently have in stock is sourced.

Our Process: Receiving

Upon receipt, all parts are visually inspected for damage and then photographed to document their condition. Parts acquired from vendors must meet our quality standards.

Our Process: Initial Testing
Initial Testing

Industrial computer boards and other parts we are equipped to evaluate are tested to verify functionality and discover possible damage.

Our Process: Refurbishment

Industrial computer boards have all components with low MTBF numbers (such as capacitors and connectors) replaced and are washed in our PCB cleaner to remove dust and grime.

Our Process: Repair

Industrial computer boards are fully diagnosed and repaired by our engineers. Logs of the problems encountered and solutions implemented are recorded.

Our Process: Final Testing
Final Testing

Industrial computer boards have all I/O connections rigorously tested to ensure that everything is working properly before the board is certified as ready to ship.

Our Process: Shipping

After photos are taken to document the exterior condition of the part, it is packaged and sent to the customer. ESD-safe materials are used to protect sensitive equipment on its journey.

Who We Are

IPC Station is a website of GID Industrial, an ISO 9001:2015-certified company that has specialized in servicing industrial computer boards and providing other industrial products for sectors including manufacturing, defense, aerospace, entertainment, healthcare, and more by utilizing our combined skills and vast international network of trusted suppliers since our founding in 2015.

Do you need a 100NC-120A-6A? We can help you find it at a competitive price!


Part Number 100NC-120A-6A
Product Series MDI
Amp Rating 100 Amp
Voltage 110/120VAC
Poles 1 Pole
Normally Open or Closed Normally Closed (NC)
Options High Voltage, Nylon Strap Around Poles
Weight - lbs. 1.5000
Base Unit of Measure Each
Categorization Information Mercury Relays
Mercury Relay, 1 Pole, 100A, NC, 120VAC, SPST-100NC-120A-6A


  • One, two, three or four pole
  • 30 to 100 amp
  • Normally open or normally closed
  • High voltage models (H in part number) are ideal for UV applications
  • Longevity: millions of cycles!
  • Note: 100 amp contactors may be derated for use as high voltage contactors


Download "mdi-onehundred-normclosed-onetwentyv-sixa-specsheet.pdf" (45 KiB)

Extracted Text

MERCURY DISPLACEMENT INDUSTRIES, INC. Post Office Box 710 - U.S. 12 East - Edwardsburg, Michigan 49112-0710 Phone (269) 663-8574 - Fax (269) 663-2924 (800) 634-4077 100NC-120A-6A .205" DIA. LINE (2 HOLES) 5 1 " 16 7 1 " 8 15 4 " 16 1 2 " 8 LOAD 1 2 " 2 * CONTACT RESISTANCE .001 ohms * TEMPERATURE RANGE -35° TO +85° C * DIELECTRIC WITHSTAND 8,000 VAC RMS * COIL TERMINALS #6 BINDING HEAD SCREWS * OPERATE TIME 45 MILLISECONDS TORQUE TO 7 IN-LB * RELEASE TIME 60 MILLISECONDS * LOAD TERMINALS 2-8 A.W.G. COMPRESSION * RATINGS: TYPE TORQUE TO 45 IN-LB CONTACTS: 10 AMPS @ 3500 VAC * SINGLE POLE / SINGLE THROW 15 AMPS @ 2500 VAC * MAGNETICALLY ACTIVATED COIL: 120 V 50/60 HZ CURRENT: 125 mA * MERCURY CONTACTOR RESISTANCE: 380 Ω VA: 15 WATTAGE: 5.9 RESISTIVE OR GENERAL PURPOSE Contactors - Relays - Switches REV. J.J.S. April 04, 2012

Related Products

Mercury Relay, 3 Poles, 100A, NO, 120VAC Nylon Strap Around Poles MDI mercu...
Mercury Relay, 3 Poles, 100A, NO, 24VAC Nylon Strap Around Poles MDI mercur...
Mercury Relay, 3 Poles, NO, 24VAC Nylon Strap Around Poles MDI mercury rela...
Mercury Relay, 4 Poles, NC, 120VAC Steel Strap Around Poles MDI mercury rel...
Mercury Relay, 4 Poles, NO, 120VAC Steel Strap Around Poles MDI mercury rel...


Any product names, logos, brands, and other trademarks or media featured or referred to on IPC Station are the property of their respective owners.

GID Industrial is not an authorized distributor, reseller, or representative for the products featured on this site, and is not affiliated with, sponsored by, or endorsed by any of the manufacturers or holders of the rights to the aforementioned products.

All information on this site is displayed strictly for identification purposes and does not indicate a relationship with or an approval from any third parties.

IPC Station is a GID Industrial website.
GID Industrial Logo
Copyright © 2023 GID Holdings LLC, All Rights Reserved.
Page generated in 0.087 seconds.