509-DOD-900

NEMA Non-Reversing Starter

Lifecycle status: Active

Number of auxiliary contacts as normally open contact	2
Number of indicator lights	0
Voltage type for actuating	AC
With transformer	False
Suitable for emergency stop	True
External reset possible	True
With short-circuit release	True
With fuse	False
Rated control supply voltage at AC 50 Hz	110 V
Rated control supply voltage at AC 60 Hz	120 V
Release class	CLASS 30
Type of motor starter	Direct online starter (DOL)
Service limit current rating	104 A
Continuous current	90 A
Circuit closing inrush current peak including offset, max	947 A
Heat dissipation	10 W (4...5 poles)
Coil operating limits	85...110% (4...5 poles)
Operating volt amperes burden	Sealed: 58VA, 60 Hz coils (4...5 poles)
Hp rating, max	7.5Hp @ 115V load voltage, 1-phase (plugging and jogging duty)
Transformer primary switching kVA rating	8.1 kVA @ 460V load voltage, 1-phase (inrush current = 20...40 times continuous current)
Capacitor switching kVAR	67 kVAR @ 575V, 3-phase (If maximum available current (at capacitor terminals) is greater than 3000 A, contact your local Rockwell Automation sales office, Allen-Bradley distributor, or NEMA ICS-2 standard)
Factory installed models	2 NO auxiliary contact on the contactor
Temperature compensated overload protection	True
Coordination class according to IEC 60947-4-3	Class 2
Type of electrical connection of main circuit	Screw connection
Type of electrical connection for auxiliary- and control current circuit	Screw connection

Rail mounting possible	True
Number of auxiliary contacts, max	8
Mechanical life operations	5000000
Average operating time, pick-up	37 ms
Average operating time, drop-out	20 ms

Required torque on power terminal wire clamps and pressure connectors or lugs	150 in-lb
Auxiliary contact material	Silver
Type of power terminal	Pressure terminals
Wire size	For power terminals: 8...1 AWG
Enclosure	Open type
Power contact material	Silver Alloy
Requirements for sizing of wire	All wire rated 167 °F (75 °C) or higher must be sized per the local electrical code for 167 °F (75 °C) wire

NEMA size	Size 3
Operating temperature	65 °C
Operating position	Vertical
Altitude	10000 ft before derating
Overload relay	Eutectic alloy overload relay
Corrosion-resistance	All metal parts are treated for corrosion-resistance

Type	Resource	Publication
General	Product Cutsheet	--
General	Repair Parts List	--
General	Short Circuit Ratings Data Sheet	--

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Looking for more Technotes?

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Technical Specifications

Number of auxiliary contacts as normally open contact	2
Number of indicator lights	0
Voltage type for actuating	AC
With transformer	False
Suitable for emergency stop	True
External reset possible	True
With short-circuit release	True
With fuse	False
Rated control supply voltage at AC 50 Hz	110 V
Rated control supply voltage at AC 60 Hz	120 V
Release class	CLASS 30
Type of motor starter	Direct online starter (DOL)
Service limit current rating	104 A
Continuous current	90 A
Circuit closing inrush current peak including offset, max	947 A
Heat dissipation	10 W (4...5 poles)
Coil operating limits	85...110% (4...5 poles)
Operating volt amperes burden	Sealed: 58VA, 60 Hz coils (4...5 poles)
Hp rating, max	7.5Hp @ 115V load voltage, 1-phase (plugging and jogging duty)
Transformer primary switching kVA rating	8.1 kVA @ 460V load voltage, 1-phase (inrush current = 20...40 times continuous current)
Capacitor switching kVAR	67 kVAR @ 575V, 3-phase (If maximum available current (at capacitor terminals) is greater than 3000 A, contact your local Rockwell Automation sales office, Allen-Bradley distributor, or NEMA ICS-2 standard)
Factory installed models	2 NO auxiliary contact on the contactor
Temperature compensated overload protection	True
Coordination class according to IEC 60947-4-3	Class 2
Type of electrical connection of main circuit	Screw connection
Type of electrical connection for auxiliary- and control current circuit	Screw connection

Rail mounting possible	True
Number of auxiliary contacts, max	8
Mechanical life operations	5000000
Average operating time, pick-up	37 ms
Average operating time, drop-out	20 ms

Required torque on power terminal wire clamps and pressure connectors or lugs	150 in-lb
Auxiliary contact material	Silver
Type of power terminal	Pressure terminals
Wire size	For power terminals: 8...1 AWG
Enclosure	Open type
Power contact material	Silver Alloy
Requirements for sizing of wire	All wire rated 167 °F (75 °C) or higher must be sized per the local electrical code for 167 °F (75 °C) wire

NEMA size	Size 3
Operating temperature	65 °C
Operating position	Vertical
Altitude	10000 ft before derating
Overload relay	Eutectic alloy overload relay
Corrosion-resistance	All metal parts are treated for corrosion-resistance

Drawings

Documents

Product Cutsheet General
--

Repair Parts List General
--

Short Circuit Ratings Data Sheet General
--

Type	Resource	Publication
General	Product Cutsheet	--
General	Repair Parts List	--
General	Short Circuit Ratings Data Sheet	--

Looking for more documentation?

Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.

Technotes

Looking for more Technotes?

Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.