Item # A575KXX-230VDC, 575 Series - Motor Reversing Contactors On Struthers-Dunn

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The 575 series relay is rated to 7.5HP. Two sets of 3 pole, double-make, N.O. contacts are mechanically interlocked to prevent simultaneous closure. Front mounted auxiliary contacts are available for electrical lockup. The 575 motor revering contactor is widely used for control of overhead doors, elevators, hoists, machine tools, and others similar devices that requires frequent jogging.

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

Unit of Measure

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

Specifications

Series	N/A 575
Contact Arrangement	N/A KXX (2X 3PST – N.O. – double make)
Coil Voltage	N/A 230 VDC

Contacts

Contact Configuration	N/A 3PST-NO Double Make per side
Contact Material	N/A Silver Alloy
Contact Rating	N/A 30 A
Contact Rating 120 / 240VAC Resistive	N/A 30 A
Motor 120VAC 1 Phase	N/A 1.5 hp
Motor 240VAC 1 Phase	N/A 3 hp
Motor 240VAC 2-3 Phase	N/A 5 hp
Motor 480 / 600VAC 2-3 Phase	N/A 7.5 hp
Contact Resistance, Initial	N/A 100 milliohms max at 6VDC

Coil

Coils Available	N/A AC and DC
Nominal Coil Power AC	N/A 22 VA
Nominal Coil Power DC	N/A 10 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 60 ms
Release Time (max)	N/A 30 ms

Dielectric Strength

Across Open Contacts	N/A 2500 Vrms
Between Mutually Insulated Point	N/A 2500 Vrms
Insulation Resistance	N/A 1000 megohms at 500VDC

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 100,000
Mechanical (no load)	N/A 1,000,000

Miscellaneous

Mounting Position	N/A Vertical , Contacts Up
Enclosure	N/A Semi-Enclosed
Weight	N/A 42.0 oz1100 g