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The M35 & M60 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 & M60 series offers superior long life performance. Products are available with 1, 2, or 3 poles rated 35 & 60 amps in Normally Open and Normally Closed configurations . 


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               Assembled in U.S.A.
35/60 Series - Mercury Displacement Power Relays
Unit of Measure
Items 35/60 Series - Mercury Displacement Power Relays
M35A-120A
35/60 Series - Mercury Displacement Power Relays
35/60 Series - Mercury Displacement Power Relays
M35A-240A
35/60 Series - Mercury Displacement Power Relays
35/60 Series - Mercury Displacement Power Relays
M35A-24A
35/60 Series - Mercury Displacement Power Relays
35/60 Series - Mercury Displacement Power Relays
M35A-24D
35/60 Series - Mercury Displacement Power Relays
35/60 Series - Mercury Displacement Power Relays
M35AA-120A
35/60 Series - Mercury Displacement Power Relays
Series N/A M35
Contact Arrangement N/A A (1 N.O. Tube) N/A A (1 N.O. Tube) N/A A (1 N.O. Tube) N/A A (1 N.O. Tube) N/A AA (2 N.O. tube)
Coil Voltage N/A 120 VAC N/A 240 VAC N/A 24 VAC N/A 24 VDC N/A 120 VAC
Contact Configuration N/A Up to 3PST
Contact Material N/A Liquid Mercury
Contact Rating N/A 35 A
Contact Rating 120 / 240VAC Resistive N/A 35 A
Contact Rating 28VDC Resistive N/A 35 A
Motor 120VAC 1 Phase N/A 5 hp
Motor 240VAC 1 Phase N/A 5 hp
Contact Resistance, Initial N/A 50 milliohms max at 6VDC
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
Operate Time (max) N/A 50 ms
Release Time (max) N/A 80 ms
Across Open Contacts N/A 2650 Vrms
Between Mutually Insulated Point N/A 2650 Vrms
Insulation Resistance N/A 1000 megohms at 500VAC
Operating N/A -34 to 74 ºC-30 to 165 ºF
Storage N/A -40 TO 105 ºC-40 to 221 ºF
Electrical (full load) N/A 250,000
Mechanical (no load) N/A 5,000,000
Mounting Position N/A Vertical within 10 degrees
Enclosure N/A Hermetically Sealed
Weight N/A varies