Struthers-Dunn
Struthers-Dunn
407 East Smith Street, Suite B
Timmonsville, SC 29161
Telephone: (843)346-4427
Fax: (843)346-4465
Email: info@struthers-dunn.com
Website: www.struthers-dunn.com
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The 275 series is a 2 coil, compact motor reversing contactor which finds extensive applications in the industrial door operator industry, the hoist industry and electronic wheel balancers, to name a few. The 275 series has Quick connect coil terminals extending out the back (opposite the contact terminals), mechanically interlocked armatures is a standard feature.

Additional contact configurations and coil options are available – please use the RFQ/RFI tab above to submit your request.
UL Recognized & CSA          RoHS Compliant
Unit of Measure

Specifications

Series

 N/A 275

Contact Arrangement

 N/A KXX (2X 3PST – N.O. – double make)

Optional Features

 N/A 4 Auxiliary contacts each SPDT (2 per coil) .25” quick connect terminals

Coil Voltage

 N/A 115 VDC

Contacts

Contact Configuration

 N/A 3PST-NO Double Make per side

Contact Material

 N/A Silver Alloy

Contact Rating

 N/A 15 A

Contact Rating 120 / 240VAC Resistive

 N/A 15/10 A

Motor 120VAC 1 Phase

 N/A 1 hp

Motor 240VAC 1 Phase

 N/A 1.5 hp

Motor 240VAC 2-3 Phase

 N/A 3 hp

Motor 480 / 600VAC 2-3 Phase

 N/A 3 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 17 VA

Nominal Coil Power DC

 N/A 4.9 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 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 500Vrms

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 5,000,000

Miscellaneous

Mounting Position

 N/A Vertical , Contacts Up

Enclosure

 N/A Semi-Enclosed

Weight

 N/A 16.0 oz406 g