Struthers-Dunn - Item # 545KXX-24VDC, 545 Series - Screw Terminal Latching Contactors

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Item # 545KXX-24VDC 545 Series - Screw Terminal Latching Contactors


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The 545 series is a three or four pole, double make, normally open, dual coil mechanical latch contactor rated up to 7.5 HP. It will hold its last energized position indefinitely without requiring any power itself. Contacts change state when the appropriate coil is energized. This makes the 545 series especially well suited to battery driven devices, and to any application where power consumption or coil heating must be minimized..

For Additional Configuration please contact the manufacturer.

545 Series - Screw Terminal Latching Contactors

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545 Series - Screw Terminal Latching Contactors - Dimensional Picture

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

Specifications

Series

545

Contact Arrangement

KXX (3PST - N.O. - double make)

Coil Voltage

24 VDC

Contacts

Contact Configuration

4PST-NO Double Make

Contact Material

Silver Alloy

Contact Rating

30 A

Contact Rating 120 / 240VAC Resistive

30 A

Contact Rating 28VDC Resistive

30 A

Contact Resistance, Initial

100 milliohms max at 6VDC

Coil

Coils Available

AC and DC up to 600V

Nominal Coil Power AC

22 VA

Nominal Coil Power DC

7 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)

100 ms

Release Time (max)

50 ms

Dielectric Strength

Across Open Contacts

1000 Vrms

Between Mutually Insulated Point

2500 Vrms

Insulation Resistance

1,000 Megohms min at 500VDC

Temperature

Operating

-20 to 70 ºC
-4 to 158 ºF

Storage

-40 to 105 ºC
-40 to 221 ºF

Life Expectancy

Electrical (full load)

100,000

Mechanical (no load)

500,000

Miscellaneous

Mounting Position

Vertical, Contacts Up

Enclosure

Open

Weight

31.5 oz
800 g

 MORE IMAGES 

· 545 Series - Screw Terminal Latching Contactors - Wiring Diagram

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  · 2D Right Side View


  · 2D Sales Drawing


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