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 48 series is a contactor with a 4 normally open, double make contacts rated up to 3HP. It uses a solenoid type moving core design which generates high contact forces. The coil is encapsulated for complete protection. Screw terminals are standard. Available as an option is a SPDT, 15 Amp, snap switch, auxiliary contact.

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

Specifications

Series

 N/A 48

Contact Arrangement

 N/A LXX- 4 poles - N.O., double make

Optional Features

 N/A 1 Form C Auxiliary contact

Coil Voltage

 N/A 125 VDC

Contacts

Contact Configuration

 N/A 4PST - N.O. - Double Make

Contact Material

 N/A Silver Alloy

Contact Rating

 N/A 15 A

Contact Rating 120 / 240VAC Resistive

 N/A 15 A

Contact Rating 28VDC Resistive

 N/A 15 A

Motor 120VAC 1 Phase

 N/A 1 hp

Motor 240VAC 3 Phase

 N/A 3 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 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 1,000 Mohms min. at 500VDC

Temperature

Operating

N/A -40 to 50 ºC-40 to 122 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 Open

Weight

 N/A 26.4 oz748 g