500-BOB940

NEMA Three-Phase Contactor

Name: 500-BOB940
Brand: Rockwell Automation

Serial #:

Lifecycle status: End of Life

Rockwell Automation announces that as of June 30, 2026, the NEMA Three-Phase Contactor will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)

Discontinued Date: June 30, 2026 Replacement Category: Engineering Replacement

Product at a glance

Build America, Buy America

Lifecycle status: End of Life

Discontinued Date: June 30, 2026 Replacement Category: Engineering Replacement

Product at a glance

Build America, Buy America

Sub Brand	NEMA Contactor

Voltage type for actuating	AC
Rated control supply voltage at AC 60 Hz	460 V
Type of electrical connection of main circuit	Screw connection
With one auxiliary contact	True
Service limit current rating	32 A
Continuous current	27 A
Heat dissipation	5.9 W
Circuit closing inrush current peak including offset, max	288 A
NEMA size	Size 1
Capacitor switching kVAR	6 kVAR @ 230V load voltage, 3-phase
Pole configuration	4 power poles
Operating volt amperes burden	Sealed: 29VA, 60 Hz coils
Hp rating, max	7.5Hp @ 230V load voltage, 3-phase (non-plugging and non-jogging duty)
Transformer primary switching kVA rating	8.5 kVA @ 460V load voltage, 3-phase (inrush current ≤20 times continuous current)
Coil operating limits	85 %

Number of auxiliary contacts, max	8
Mechanical life operations	1.0E7
Average operating time, pick-up	22 ms
Average operating time, drop-out	14 ms

Required torque on power terminal wire clamps and pressure connectors or lugs	20 in-lb
Type of power terminal	Saddle or wire clA
Wire size	For power terminals: 14...8 AWG
Enclosure	Open type
Power contact material	Silver Alloy
Auxiliary contact material	Silver
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

Operating position	Vertical
Altitude	10000 ft before derating
Operating temperature	-13 to 149 °F (-25 to 65 °C) @ starters with eutectic alloy overload relay, -13 to 131 °F (-25 to 55 °C) @ starters with electronic overload relay, (provided condensation is prevented)
Corrosion-resistance	All metal parts are treated for corrosion-resistance

Drawings
2D Drawing (PDF)	Download (PDF)
3D Model (STP)	Download (ZIP)
Product Drawing	Drawing (DXF)

Drawings
2D Drawing (PDF) Download (PDF)
3D Model (STP) Download (ZIP)
Product Drawing Drawing (DXF)

General	Publication
Repair Parts for Control Circuit Terminal	--
Circuit Protection Design and SCCR Tables	--
Product Cutsheet	--
Repair Parts for Enclosure	--

Technical Data	Publication
500-td014_-en-p	500-TD014

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Technotes

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Technical Specifications

Sub Brand	NEMA Contactor

Voltage type for actuating	AC
Rated control supply voltage at AC 60 Hz	460 V
Type of electrical connection of main circuit	Screw connection
With one auxiliary contact	True
Service limit current rating	32 A
Continuous current	27 A
Heat dissipation	5.9 W
Circuit closing inrush current peak including offset, max	288 A
NEMA size	Size 1
Capacitor switching kVAR	6 kVAR @ 230V load voltage, 3-phase
Pole configuration	4 power poles
Operating volt amperes burden	Sealed: 29VA, 60 Hz coils
Hp rating, max	7.5Hp @ 230V load voltage, 3-phase (non-plugging and non-jogging duty)
Transformer primary switching kVA rating	8.5 kVA @ 460V load voltage, 3-phase (inrush current ≤20 times continuous current)
Coil operating limits	85 %

Number of auxiliary contacts, max	8
Mechanical life operations	1.0E7
Average operating time, pick-up	22 ms
Average operating time, drop-out	14 ms

Required torque on power terminal wire clamps and pressure connectors or lugs	20 in-lb
Type of power terminal	Saddle or wire clA
Wire size	For power terminals: 14...8 AWG
Enclosure	Open type
Power contact material	Silver Alloy
Auxiliary contact material	Silver
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

Operating position	Vertical
Altitude	10000 ft before derating
Operating temperature	-13 to 149 °F (-25 to 65 °C) @ starters with eutectic alloy overload relay, -13 to 131 °F (-25 to 55 °C) @ starters with electronic overload relay, (provided condensation is prevented)
Corrosion-resistance	All metal parts are treated for corrosion-resistance

Drawings

Drawings
2D Drawing (PDF)	Download (PDF)
3D Model (STP)	Download (ZIP)
Product Drawing	Drawing (DXF)

Drawings
2D Drawing (PDF) Download (PDF)
3D Model (STP) Download (ZIP)
Product Drawing Drawing (DXF)

Documents

Repair Parts for Control Circuit Terminal General
--

Circuit Protection Design and SCCR Tables General
--

Product Cutsheet General
--

Repair Parts for Enclosure General
--

500-td014_-en-p Technical Data
500-TD014

General	Publication
Repair Parts for Control Circuit Terminal	--
Circuit Protection Design and SCCR Tables	--
Product Cutsheet	--
Repair Parts for Enclosure	--
Technical Data	Publication
500-td014_-en-p	500-TD014

Looking for more documentation?

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

Search the Literature Library

Accessories

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Alternative Products

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Technotes

Technotes

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