505-COA

NEMA Size 2 Reversing Starter

Name: NEMA Size 2 Reversing Starter
Brand: Rockwell Automation
SKU: 505-COA

Serial #:

Lifecycle status: Discontinued

Rockwell Automation announces that as of April 01, 2026, the NEMA Size 2 Reversing Starter will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)

Discontinued Date: April 01, 2026 Replacement Category: Engineering Replacement

Description

505 NEMA Full Voltage Reversing Starter ,SIZE 2, Open, 230-240V 60Hz, with Eutectic Alloy Overload Relay, , 230-240V 60Hz, ,

Lifecycle status: Discontinued

Discontinued Date: April 01, 2026 Replacement Category: Engineering Replacement

Description

505 NEMA Full Voltage Reversing Starter ,SIZE 2, Open, 230-240V 60Hz, with Eutectic Alloy Overload Relay, , 230-240V 60Hz, ,

Unique Product Identifier	505-COA
UPC	662072513897
Standard Warranty Duration	1 year See details
Country of Origin	Mexico

Altitude	10000 ft before derating
Corrosion-resistance	All metal parts are treated for corrosion-resistance
NEMA size	Size 2
Operating position	Vertical
Operating temperature	Starters with eutectic alloy overload relay (provided condensation is prevented): -13...149 °F (-25...65 °C)
Overload relay	Eutectic alloy overload relay

Mechanical

Enclosure type	Open
Mechanical life operations	5000000
Number of auxiliary contacts, max	8
Operating time, drop-out	20 ms
Operating time, pick-up	27 ms

Construction

Auxiliary contact material	Silver
Power contact material	Silver alloy
Required torque on power terminal wire clamps and pressure connectors or lugs	275 in-lb
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
Type of power terminal	Pressure terminals
Wire size	For power terminals: 6...4 AWG

Capacitor switching kVAR	31 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)
Circuit closing inrush current peak including offset, max	483 A
Coil operating limits	85...110% (4...5 poles)
Coil voltage	120V AC @ 60Hz (transformer control)
Continuous current	45 A
External reset possible	True
Heat dissipation	5.9 W (4...5 poles)
Hp rating, max	7.5Hp @ 230V load voltage, 1-phase (non-plugging and non-jogging duty)
Operating volt amperes burden	Sealed: 58VA, 60 Hz coils (4...5 poles)
Rated control supply voltage at AC 60 Hz	230 V
Service limit current rating	52 A
Suitable for emergency stop	True
Transformer primary switching kVA rating	8.9 kVA @ 575V load voltage, 3-phase (inrush current = 20...40 times continuous current)
Type of electrical connection for auxiliary- and control current circuit	Screw connection
Type of electrical connection of main circuit	Screw connection
Type of motor starter	Reversing starter
Voltage type for actuating	AC
With short-circuit release	True

General	Publication
Technical Document	500-TD014
Selection Guide	500-SG008
Product Cutsheet	--

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Overview

Unique Product Identifier	505-COA
UPC	662072513897
Standard Warranty Duration	1 year See details
Country of Origin	Mexico

Compliance & Environment

Altitude	10000 ft before derating
Corrosion-resistance	All metal parts are treated for corrosion-resistance
NEMA size	Size 2
Operating position	Vertical
Operating temperature	Starters with eutectic alloy overload relay (provided condensation is prevented): -13...149 °F (-25...65 °C)
Overload relay	Eutectic alloy overload relay

Physical Characteristics

Mechanical

Enclosure type	Open
Mechanical life operations	5000000
Number of auxiliary contacts, max	8
Operating time, drop-out	20 ms
Operating time, pick-up	27 ms

Construction

Auxiliary contact material	Silver
Power contact material	Silver alloy
Required torque on power terminal wire clamps and pressure connectors or lugs	275 in-lb
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
Type of power terminal	Pressure terminals
Wire size	For power terminals: 6...4 AWG

Electrical & Connectivity

Capacitor switching kVAR	31 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)
Circuit closing inrush current peak including offset, max	483 A
Coil operating limits	85...110% (4...5 poles)
Coil voltage	120V AC @ 60Hz (transformer control)
Continuous current	45 A
External reset possible	True
Heat dissipation	5.9 W (4...5 poles)
Hp rating, max	7.5Hp @ 230V load voltage, 1-phase (non-plugging and non-jogging duty)
Operating volt amperes burden	Sealed: 58VA, 60 Hz coils (4...5 poles)
Rated control supply voltage at AC 60 Hz	230 V
Service limit current rating	52 A
Suitable for emergency stop	True
Transformer primary switching kVA rating	8.9 kVA @ 575V load voltage, 3-phase (inrush current = 20...40 times continuous current)
Type of electrical connection for auxiliary- and control current circuit	Screw connection
Type of electrical connection of main circuit	Screw connection
Type of motor starter	Reversing starter
Voltage type for actuating	AC
With short-circuit release	True

Documents

Technical Document General
500-TD014

Selection Guide General
500-SG008

Product Cutsheet General
--

General	Publication
Technical Document	500-TD014
Selection Guide	500-SG008
Product Cutsheet	--

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

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