Struthers-Dunn - Item # 131MPCX-8-24VDC, 131 Series - Mercury Reed Relays

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Item # 131MPCX-8-24VDC 131 Series - Mercury Reed Relays


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The 131 series are single throw, normally open, miniature mercury reed relays. Reeds are hermetically sealed in glass tubes with trace amounts of liquid mercury to provide continuously refreshed contact surfaces for extremely long life.

The 134 series offers double throw contacts. Both are capable.

For Additional Configuration please contact the manufacturer.

131 Series - Mercury Reed Relays

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131 Series - Mercury Reed Relays - Dimensional Picture

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Specifications · Maximum Contact Rating · Contacts · Coil · Timing · Dielectric Strength · Capacitance · Temperature · Life Expectancy · Miscellaneous

Specifications

Series

131

Contact Arrangement

DPST - N.O.

Nominal Input Voltage

24 VDC

Maximum Pull-in

18

Minimum Dropout

2

Nominal Resistance

1200 ohms

Nominal Power

480 mW

Maximum Contact Rating

Maximum Switching Load

50 VA

Switching Current and Voltage

2 AMP 500VDC

Carry Current

3 A

Contacts

Contact Configuration

Up To DPST

Contact Material

Liquid Mercury

Contact Rating

2 A

Contact Rating Load (maximum)

50 VA

Contact Rating Switching Voltage (maximum)

500 VDC

Contact Rating Switching Current (maximum)

2 A

Contact Rating Carry Current (maximum)

3 A

Contact Resistance, Initial

100 milliohms max at 6VDC

Coil

Coils Available

DC

Coil Power

Varies

Input Voltage Tolerance - DC

80% to 110% of nominal

Drop-out voltge

10% of nominal

Duty

Continuous

Timing

Operate Time (typical w/o suppression)

2 ms

Release Time (typical w/o supression)

1.5 ms

Dielectric Strength

Across Open Contacts

1,000 Vrms

Between Mutually Insulated Point

1,000 Vrms

Insulation Resistance

1000 megohms at 100VDC

Capacitance

Capacitance Across Open Contacts

0.3pF

Temperature

Operating

-37 to 85 ºC
-34.6 to 185 ºF

Storage

-40 to 105 ºC
-40 to 221 ºF

Life Expectancy

Electrical (full load)

40,000,000

Mechanical (no load)

100,000,000

Miscellaneous

Mounting Position

Vertical ±15°

Enclosure

Epoxy Encapsulated

Weight

Varies

 MORE IMAGES 

· 131 Series - Mercury Reed Relays - Wiring Diagram

 VIEW CAD DRAWING 



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  · 2D Top View


  · 2D Sales Drawing


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