NEMA Size 3 Reversing Starter

Catalog #: 505-DOD

Lifecycle status: Active

Lifecycle status: Active

Product Family	NEMA

Voltage type for actuating	AC
Suitable for emergency stop	True
External reset possible	True
With short-circuit release	True
Rated control supply voltage at AC 60 Hz	115 V
Type of motor starter	Reversing starter
Service limit current rating	104 A
Continuous current	90 A
Circuit closing inrush current peak including offset, max	947 A
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)
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 None
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 in-lb
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	--

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Technical Specifications

Product Family	NEMA

Voltage type for actuating	AC
Suitable for emergency stop	True
External reset possible	True
With short-circuit release	True
Rated control supply voltage at AC 60 Hz	115 V
Type of motor starter	Reversing starter
Service limit current rating	104 A
Continuous current	90 A
Circuit closing inrush current peak including offset, max	947 A
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)
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 None
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 in-lb
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