Item # M60AAA-240AC, 35/60 Series - Mercury Displacement Power Relays On Struthers-Dunn

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The 35 & 60 series products are mercury displacement relays. Sealed tubes containing liquid mercury assure contact surfaces are freshly replenished with every contact movement. Contact resistance is among the lowest available for any electromechanical relay. The M35 series offers superior long life performance. Products are available with 1, 2, or 3 poles rated 35 amps. Contacts can be normally open or normally closed.

Optional DIN rail adaptors – 1 pole = 16-MDRDIN-1, 2 or 3 pole = 16-MDRDIN-2/3

Additional contact configurations and coil options are available – please use the RFQ/RFI tab above to submit your request.

UL Listed & CSA

Unit of Measure

Specifications | Contacts | Coil | Timing | Dielectric Strength | Temperature | Life Expectancy | Miscellaneous

Specifications

Series	N/A M60
Contact Arrangement	N/A AAA (3 N.O. tube)
Coil Voltage	N/A 240 VAC
Stocked PN	N/A WM60AAA-240AC

Contacts

Contact Configuration	N/A Up to 3PST
Contact Material	N/A Liquid Mercury
Contact Rating	N/A 60 A
Contact Rating 120 / 240VAC Resistive	N/A 60 A
Contact Rating 28VDC Resistive	N/A 60 A
Motor 120VAC 1 Phase	N/A 5 hp
Motor 240VAC 1 Phase	N/A 10 hp
Contact Resistance, Initial	N/A 50 milliohms max at 6VDC

Coil

Coils Available	N/A AC and DC
Nominal Coil Power AC	N/A 7 to 28 VA
Nominal Coil Power DC	N/A 3 to 9 W
Input Voltage Tolerance - AC	N/A 85% to 110% of nominal
Input Voltage Tolerance - DC	N/A 80% to 110% of nominal
Drop-out voltge	N/A 10% of nominal
Duty	N/A Continuous

Timing

Operate Time (max)	N/A 50 ms
Release Time (max)	N/A 80 ms

Dielectric Strength

Across Open Contacts	N/A 2650 Vrms
Between Mutually Insulated Point	N/A 2650 Vrms
Insulation Resistance	N/A 1000 megohms at 500VAC

Temperature

Operating	N/A -34 to 74 ºC-30 to 165 ºF
Storage	N/A -40 TO 105 ºC-40 to 221 ºF

Life Expectancy

Electrical (full load)	N/A 250,000
Mechanical (no load)	N/A 5,000,000

Miscellaneous

Mounting Position	N/A Vertical within 10 degrees
Enclosure	N/A Hermetically Sealed
Weight	N/A varies