NEMA Size 3 Reversing Starter

Catalog #: 505-DOD-17-900

Lifecycle status: Active

Lifecycle status: Active

Product Family	NEMA

Number of auxiliary contacts as normally open contact	2
Voltage type for actuating	AC
Suitable for emergency stop	Yes
External reset possible	Yes
With short-circuit release	Yes
Rated control supply voltage at AC 60 Hz	115
Type of motor starter	Reversing starter
Service limit current rating	104
Continuous current	90
Circuit closing inrush current peak including offset, max	947
Heat dissipation	10 W (2...3 poles)
Coil operating limits	85...110% (2...3 poles)
Operating volt amperes burden	Sealed: 96VA, 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	Surge suppressor
Type of electrical connection of main circuit	Screw connection
Type of electrical connection for auxiliary- and control current circuit	Screw connection

Number of auxiliary contacts, max	8
Mechanical life operations	5000000
Operating time, drop-out	20 ms
Operating time, pick-up	25 ms
Enclosure type	Open

Required torque on power terminal wire clamps and pressure connectors or lugs	375
Auxiliary contact material	Silver
Type of power terminal	Pressure terminals
Wire size	For power terminals: 4 AWG...500 MCM
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 position	Vertical
Altitude	10000 ft before derating
Operating temperature	Starters with eutectic alloy overload relay (provided condensation is prevented): -13...149 °F (-25...65 °C)
Overload relay	Eutectic alloy overload relay
Corrosion-resistance	All metal parts are treated for corrosion-resistance

Type	Resource	Publication
General	Product Cutsheet	--

Looking for more documentation?

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

Items Per Page:

Looking for more Technotes?

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

Technical Specifications

Product Family	NEMA

Number of auxiliary contacts as normally open contact	2
Voltage type for actuating	AC
Suitable for emergency stop	Yes
External reset possible	Yes
With short-circuit release	Yes
Rated control supply voltage at AC 60 Hz	115
Type of motor starter	Reversing starter
Service limit current rating	104
Continuous current	90
Circuit closing inrush current peak including offset, max	947
Heat dissipation	10 W (2...3 poles)
Coil operating limits	85...110% (2...3 poles)
Operating volt amperes burden	Sealed: 96VA, 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	Surge suppressor
Type of electrical connection of main circuit	Screw connection
Type of electrical connection for auxiliary- and control current circuit	Screw connection

Number of auxiliary contacts, max	8
Mechanical life operations	5000000
Operating time, drop-out	20 ms
Operating time, pick-up	25 ms
Enclosure type	Open

Required torque on power terminal wire clamps and pressure connectors or lugs	375
Auxiliary contact material	Silver
Type of power terminal	Pressure terminals
Wire size	For power terminals: 4 AWG...500 MCM
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 position	Vertical
Altitude	10000 ft before derating
Operating temperature	Starters with eutectic alloy overload relay (provided condensation is prevented): -13...149 °F (-25...65 °C)
Overload relay	Eutectic alloy overload relay
Corrosion-resistance	All metal parts are treated for corrosion-resistance