Struthers-Dunn - Item # 548KXX90-24VAC, 548 Series - Contactors

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Item # 548KXX90-24VAC 548 Series - Contactors


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The 548 series is a contactor with 3 pole normally open - double make contacts rated up to 7.5HP.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.

For Additional Configuration please contact the manufacturer.

548 Series - Contactors

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548 Series - Contactors - Dimensional Picture

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

Specifications

Series

548

Contact Arrangement

3PST - N.O. - Double Make

Options

1 Form C Auxiliary contact (snap switch)

Coil Voltage

24 VAC

Contacts

Contact Configuration

3PST - N.O. - Double Make

Contact Material

Silver Alloy

Contact Rating

30 A

Contact Rating 120 / 240VAC Resistive

30 A

Contact Rating 28VDC Resistive

30 A

Motor 120VAC 1 Phase

1.5 hp

Motor 240VAC 1 Phase

5 hp

Motor 480 / 600VAC 3 Phase

7.5 hp

Contact Resistance, Initial

100 milliohms max at 6VDC

Coil

Coils Available

AC and DC

Nominal Coil Power AC

22 VA

Nominal Coil Power DC

10 W

Input Voltage Tolerance - AC

85% to 110% of nominal

Input Voltage Tolerance - DC

80% to 110% of nominal

Drop-out voltge

10% of nominal

Duty

Continuous

Timing

Operate Time (max)

30 ms

Release Time (max)

30 ms

Dielectric Strength

Across Open Contacts

2500 Vrms

Between Mutually Insulated Point

2500 Vrms

Insulation Resistance

1000 megohms at 500VAC

Temperature

Operating

-40 to50 ºC
-40 to 122 ºF

Storage

-40 to50 ºC
-40 to 122 ºF

Life Expectancy

Electrical (full load)

100,000

Mechanical (no load)

5,000,000

Miscellaneous

Mounting Position

Vertical - Contacts up

Enclosure

Plastic Contact Cover

Weight

26.4 oz
748 g

 MORE IMAGES 

· 548 Series - Contactors - Wiring Diagram

 VIEW CAD DRAWING 



  · 3D


  · 2D Front View


  · 2D Sales Drawing


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