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2019_AB_Logo
503L-AFBD-31T

NEMA Size 0 LTG Combination Cntcr Ckt

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2019_AB_Logo
Lifecycle status: Discontinued
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Rockwell Automation announces that as of June 15, 2025, the NEMA Size 0 LTG Combination Cntcr Ckt will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)
Discontinued Date: June 15, 2025 Replacement Category: Engineering Replacement
Lifecycle status: Discontinued
ErrorsErrors
Rockwell Automation announces that as of June 15, 2025, the NEMA Size 0 LTG Combination Cntcr Ckt will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)
Discontinued Date: June 15, 2025 Replacement Category: Engineering Replacement
Description
NEMA Combination Lighting Contactor, Circuit Breaker Type, 15 A Tungsten/ 20 A General, 480/110/120 VAC - 50/60Hz (BD), Type 3R/4/12 - Enclosure Code "F",Please reach out to your local Rockwell Automation representative for pricing and availability.
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Overview
Technical Specifications
General
Electrical
Mechanical
Construction
Environmental
Documents
Technotes
Unique Product Identifier
503L-AFBD-31T
UPC
889508565309
Estimated Lead Time
1 day
Standard Warranty Duration

1 year See details

Country of Origin
United States of America
EU Importer Address

Rockwell Automation N.V
Pegasus Park
De Kleetlaan 12A
1831 Diegem
Belgium

EU Authorized Representative Address

Rockwell Automation N.V
Pegasus Park
De Kleetlaan 12A
1831 Diegem
Belgium

The information provided by Rockwell Automation on www.rockwellautomation.com (the “Site”) is for demonstration purposes only and may be incomplete or inaccurate. All information is provided “as is”, and Rockwell Automation makes no representations or warranties of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, or completeness of any information on the Site. Use of this information is at your own risk.

Circuit-Breaker Type
Inverse Hrs - Swbd Interruptin
Control Voltage
120V 60 Hz
Sub Brand
NEMA
Voltage type for actuating
AC
Rated control supply voltage at AC 50 Hz
480 V
Rated control supply voltage at AC 60 Hz
480 V
Service limit current rating
21 A
Continuous current
18 A
Circuit closing inrush current peak including offset, max
140 A
Heat dissipation
5.9 W
Available short circuit amperes RMS symmetrical
65000A @ 480V
Coil operating limits
85...110%
Circuit breaker type
Inverse time, standard interrupting capacity
Operating volt amperes burden
Sealed: 29VA, 60 Hz coils
Continuous current/horsepower
1/4 Hp (motor protection), 20 A (ftder protection)
Continuous ampere rating, max
20 A @ non-motor, resistive heating, ballast and discharge lighting loads
Transformer primary switching kVA rating
5.2 kVA @ 575V load voltage, 3-phase (inrush current ≤20 times continuous current)
Features
Combination Lighting Contactors with Circuit Breaker
Number of auxiliary contacts, max
8
Weight, approx
40 lb
Mechanical life operations
1.0E7
Operating time, drop-out
16 ms
Operating time, pick-up
21 ms
Enclosure type
NEMA 3R/4/12 painted
Required torque on power terminal wire clamps and pressure connectors or lugs
20 in-lb
Depth, approx
8.25 mm
Auxiliary contact material
Silver
Type of power terminal
Saddle or wire clA
Width, approx
10.5 in
Height, approx
27.5 in
Wire size
For power terminals: 14...10 AWG
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
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)
Corrosion-resistance
All metal parts are treated for corrosion-resistance
General Publication
Product Cutsheet --
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
Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Overview
Unique Product Identifier
503L-AFBD-31T
UPC
889508565309
Estimated Lead Time
1 day
Standard Warranty Duration

1 year See details

Country of Origin
United States of America
EU Importer Address

Rockwell Automation N.V
Pegasus Park
De Kleetlaan 12A
1831 Diegem
Belgium

EU Authorized Representative Address

Rockwell Automation N.V
Pegasus Park
De Kleetlaan 12A
1831 Diegem
Belgium

The information provided by Rockwell Automation on www.rockwellautomation.com (the “Site”) is for demonstration purposes only and may be incomplete or inaccurate. All information is provided “as is”, and Rockwell Automation makes no representations or warranties of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, or completeness of any information on the Site. Use of this information is at your own risk.

Technical Specifications
Circuit-Breaker Type
Inverse Hrs - Swbd Interruptin
Control Voltage
120V 60 Hz
Sub Brand
NEMA
Voltage type for actuating
AC
Rated control supply voltage at AC 50 Hz
480 V
Rated control supply voltage at AC 60 Hz
480 V
Service limit current rating
21 A
Continuous current
18 A
Circuit closing inrush current peak including offset, max
140 A
Heat dissipation
5.9 W
Available short circuit amperes RMS symmetrical
65000A @ 480V
Coil operating limits
85...110%
Circuit breaker type
Inverse time, standard interrupting capacity
Operating volt amperes burden
Sealed: 29VA, 60 Hz coils
Continuous current/horsepower
1/4 Hp (motor protection), 20 A (ftder protection)
Continuous ampere rating, max
20 A @ non-motor, resistive heating, ballast and discharge lighting loads
Transformer primary switching kVA rating
5.2 kVA @ 575V load voltage, 3-phase (inrush current ≤20 times continuous current)
Features
Combination Lighting Contactors with Circuit Breaker
Number of auxiliary contacts, max
8
Weight, approx
40 lb
Mechanical life operations
1.0E7
Operating time, drop-out
16 ms
Operating time, pick-up
21 ms
Enclosure type
NEMA 3R/4/12 painted
Required torque on power terminal wire clamps and pressure connectors or lugs
20 in-lb
Depth, approx
8.25 mm
Auxiliary contact material
Silver
Type of power terminal
Saddle or wire clA
Width, approx
10.5 in
Height, approx
27.5 in
Wire size
For power terminals: 14...10 AWG
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
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)
Corrosion-resistance
All metal parts are treated for corrosion-resistance
Documents
Product Cutsheet General
--
General Publication
Product Cutsheet --
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
Technotes
Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
NEMA Size 0 LTG Combination Cntcr Ckt
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