West Coast Plastics Equipment, Inc.
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Durakool Mercury Displacement Relays (MDRs)
We sell the industry standard Durakool brand of Mercury Displacement Relays. For more than sixty years, Durakool has specialized in the production of mercury displacement relays and contactors. They helped create mercury-switching technology.

Durakool products provide silent, reliable switching because of the unique properties of mercury as a contact material. They are virtually immune to breakage, corrosion or wear.

The contacts, enclosed in hermetically sealed steel containers, operate in a wide range of temperatures, under low or high pressures, in dust or vapor-filled atmospheres. They produce no external sparks and are unaffected by line noise or voltage spikes.
Durakool Mercury Relays
To order enter the quantity desired for the model that you need.
Then click the "Add to Cart" button at the top or bottom of the page.
Durakool**
Code #
Equivalent
MSI** Code #
Equivalent
Watlow
HG Series
Equivalent
Watlow
KD, LD, MD
Amperage Coil Voltage Poles Avail. Price Order Quantity
BF-7032 N/A HG30-1KD1-0000 KD10-1000-4U00 30 120VAC 1 Stock* $100.00
    
BF2-7027 N/A HG30-1KD2-0000 KD20-1000-4U00 30 120VAC 2 Stock* $155.00
    
BF3-7024 N/A HG30-1KD3-0000 KD30-1000-4U00 30 120VAC 3 Stock* $273.00
    
BF-7031 N/A HG30-4KD1-0000 KD10-4000-4U00 30 24VAC 1 3 Weeks* $109.00
    
BF2-7026 N/A HG30-4KD2-0000 KD20-4000-4U00 30 24VAC 2 3 Weeks* $146.00
    
BF3-7023 N/A HG30-4KD3-0000 KD30-4000-4U00 30 24VAC 3 3 Weeks* $273.00
    
BF-7046 N/A HG30-6KD1-0000 KD10-6000-4U00 30 24VDC 1 3 Weeks* $137.00
    
BF2-7032 N/A HG30-6KD2-0000 KD20-6000-4U00 30 24VDC 2 3 Weeks* $164.00
    
BF3-7038 N/A HG30-6KD3-0000 KD30-6000-4U00 30 24VDC 3 3 Weeks* $273.00
    
BF-7120DV N/A HG30-9KD1-0000 KD10-5000-4U00 30 208/240VAC 1 3 Weeks* $137.00
    
BF2-7079DV N/A HG30-9KD2-0000 KD20-5000-4U00 30 208/240VAC 2 3 Weeks* $182.00
    
BF3-7061DV N/A HG30-9KD3-0000 KD30-5000-4U00 30 208/240VAC 3 3 Weeks* $273.00
    
1035A120AC 35NO120AC HG35-1LD1-0000 LD10-1000-0U00 35 120VAC 1 Stock* $82.00
    
2035A120AC 235NO120AC-18 HG35-1LD2-0000 LD20-1000-0U00 35 120VAC 2 Stock* $137.00
    
3035A120AC 335NO120AC-18 HG35-1LD3-0000 LD30-1000-0U00 35 120VAC 3 Stock* $191.00
    
1035A24AC 35NO24AC HG35-4LD1-0000 LD10-4000-0U00 35 24VAC 1 Stock* $109.00
    
2035A24AC 235NO24AC-18 HG35-4LD2-0000 LD20-4000-0U00 35 24VAC 2 Stock* $191.00
    
3035A24AC 335NO24AC-18 HG35-4LD3-0000 LD30-4000-0U00 35 24VAC 3 Stock* $200.00
    
1035A24DC 35NO24DC HG35-6LD1-0000 LD10-6000-0U00 35 24VDC 1 3 weeks* $118.00
    
2035A24DC 235NO24DC-18 HG35-6LD2-0000 LD20-6000-0U00 35 24VDC 2 Stock* $155.00
    
3035A24DC 335NO24DC-18 HG35-6LD3-0000 LD30-6000-0U00 35 24VDC 3 Stock* $209.00
    
1035A208ACDV 35NO208AC HG35-9LD1-0000 LD10-5000-0U00 35 208/240VAC 1 Stock* $146.00
    
2035A208ACDV 235NO208AC-18 HG35-9LD2-0000 LD20-5000-0U00 35 208/240VAC 2 Stock* $146.00
    
3035A208ACDV 335NO208AC-18 HG35-9LD3-0000 LD30-5000-0U00 35 208/240VAC 3 Stock* $228.00
    
1050A120AC N/A HG50-1MD1-0000 MD10-1000-0U00 50 120VAC 1 3 Weeks* $137.00
    
2050A120AC N/A HG50-1MD2-0000 MD20-1000-0U00 50 120VAC 2 3 Weeks* $137.00
    
3050A120AC N/A HG50-1MD3-0000 MD30-1000-0U00 50 120VAC 3 3 Weeks* $191.00
    
1050A24AC N/A HG50-4MD1-0000 MD10-4000-0U00 50 24VAC 1 3 Weeks* $137.00
    
2050A24AC N/A HG50-4MD2-0000 MD20-4000-0U00 50 24VAC 2 3 Weeks* $182.00
    
3050A24AC N/A HG50-4MD3-0000 MD30-4000-0U00 50 24VAC 3 3 Weeks* $273.00
    
1050A24DC N/A HG50-6MD1-0000 MD10-6000-0U00 50 24VDC 1 3 Weeks* $137.00
    
2050A24DC N/A HG50-6MD2-0000 MD20-6000-0U00 50 24VDC 2 3 Weeks* $182.00
    
3050A24DC N/A HG50-6MD3-0000 MD30-6000-0U00 50 24VDC 3 3 Weeks* $273.00
    
1050A208ACDV N/A HG60-9MD1-0000 MD10-5000-0U00 50 208/240VAC 1 3 Weeks* $137.00
    
2050A208ACDV N/A HG60-9MD2-0000 MD20-5000-0U00 50 208/240VAC 2 3 Weeks* $182.00
    
3050A208ACDV N/A HG60-9MD3-0000 MD30-5000-0U00 50 208/240VAC 3 3 Weeks* $273.00
    
1060APS120AC 60NO120AC HG60-1PD1-0000 N/A 60 120VAC 1 Stock* $100.00
    
2060APS120AC 260NO120AC-18 HG60-1PD2-0000 N/A 60 120VAC 2 Stock* $155.00
    
3060APS120AC 360NO120AC-18 HG60-1PD3-0000 N/A 60 120VAC 3 Stock* $218.00
    
1060APS24AC 60NO24AC HG60-4PD1-0000 N/A 60 24VAC 1 Stock* $118.00
    
2060APS24AC 260NO24AC-18 HG60-4PD2-0000 N/A 60 24VAC 2 Stock* $164.00
    
3060APS24AC 360NO24AC-18 HG60-4PD3-0000 N/A 60 24VAC 3 Stock* $228.00
    
1060APS24DC 60NO24DC HG60-6PD1-0000 N/A 60 24VDC 1 Stock* $118.00
    
2060APS24DC 260NO24DC-18 HG60-6PD2-0000 N/A 60 24VDC 2 Stock* $164.00
    
3060APS24DC 360NO24DC-18 HG60-6PD3-0000 N/A 60 24VDC 3 Stock* $246.00
    
1060APS208ACDV 60NO208AC HG60-9PD1-0000 N/A 60 208/240VAC 1 Stock* $100.00
    
2060APS208ACDV 260NO208AC-18 HG60-9PD2-0000 N/A 60 208/240VAC 2 Stock* $164.00
    
3060APS208ACDV 360NO208AC-18 HG60-9PD3-0000 N/A 60 208/240VAC 3 Stock* $246.00
    
CFC-718 100NO120AC HG1M-1AC1-0000 N/A 100 120VAC 1 Stock* $228.00
    
CFC2-727 2100NO120AC-18 HG1M-1AC2-0000 N/A 100 120VAC 2 Stock* $546.00
    
CFC3-708 3100NO120AC-18 HG1M-1AC3-0000 N/A 100 120VAC 3 Stock* $692.00
    
CFC-717 100NO24AC HG1M-4AC1-0000 N/A 100 24VAC 1 3 Weeks* $318.00
    
CFC2-726 2100NO24AC-18 HG1M-4AC2-0000 N/A 100 24VAC 1 3 Weeks* $682.00
    
CFC3-707 3100NO24AC-18 HG1M-4AC3-0000 N/A 100 24VAC 3 3 Weeks* $910.00
    
CFC-723 100NO24DC HG1M-6AC1-0000 N/A 100 24VDC 1 3 Weeks* $273.00
    
CFC2-733 2100NO24DC-18 HG1M-6AC2-0000 N/A 100 24VDC 2 3 Weeks* $546.00
    
CFC3-721 3100NO24DC-18 HG1M-6AC3-0000 N/A 100 24VDC 3 3 Weeks* $728.00
    
CFC-734 100NO208AC HG1M-9AC1-0000 N/A 100 208/240VAC 1 3 Weeks* $273.00
    
CFC2-734 2100NO208AC-18 HG1M-9AC2-0000 N/A 100 208/240VAC 2 3 Weeks* $592.00
    
CFC3-734 3100NO208AC-18 HG1M-9AC3-0000 N/A 100 208/240VAC 3 3 Weeks* $774.00
    
* FOB: Factory, Connecticut. Stock is quantity dependent.
** NOTE: Equivalent MSI units may be substituted if Durakool units are unavailable.
This page last modified on 1/16/2017
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