Combination Contactors, Starters, and Pump Control Panels

Catalogs > Industrial Controls Catalog > Motor Control, NEMA > Combination Contactors, Starters, and Pump Control Panels > Bulletin 503

Bulletin 503

Introduction Standards Compliance and Certifications Configuration of a Basic Combination Starter Product Selection Modifications for Combination Devices
Accessories Specifications Full Load Motor Currents Approximate Dimensions Renewal Parts
Product Selection

Build a Catalog Number


NEMA Size Con-
tinuous Ampere Rating [A]‡ 
Maximum Horsepower Rating
Full Load Current Must Not Exceed
Continuous Ampere Rating
Type 1 General Purpose Type 3R/4/12 Rainproof, Waterproof, Dusttight Type 3R/4/12 Rainproof, Waterproof, Dusttight (Door Safety Hardware) Type 4/4X Watertight Corrosion-Resistant Stainless Steel
Motor Voltage
200V 230V 460V 575V Cat. No.⋆  Cat. No.⋆  Cat. No.⋆  Cat. No.⋆ 
0 18 0…1/3 0…1/3 503-AAÄ-32T 503-AFÄ-32T 503-AJÄ-32T 503-ACÄ-32T
1/2…1 1/2…1 0…1 0…1 503-AAÄ-35T 503-AFÄ-35T 503-AJÄ-35T 503-ACÄ-35T
1-1/2…3 1-1/2…3 1-1/2…3 1-1/2…3 503-AAÄ-38T 503-AFÄ-38T 503-AJÄ-38T 503-ACÄ-38T
5 5 503-AAÄ-39T 503-AFÄ-39T 503-AJÄ-39T 503-ACÄ-39T
1 27 0…1/3 0…1/3 503-BAÄ-32T 503-BFÄ-32T 503-BJÄ-32T 503-BCÄ-32T
1/2…1 1/2…1 0…1 0…1 503-BAÄ-35T 503-BFÄ-35T 503-BJÄ-35T 503-BCÄ-35T
1-1/2…3 1-1/2…3 1-1/2…3 1-1/2…3 503-BAÄ-38T 503-BFÄ-38T 503-BJÄ-38T 503-BCÄ-38T
5 503-BAÄ-39T 503-BFÄ-39T 503-BJÄ-39T 503-BCÄ-39T
7-1/2 5…7-1/2 5…7-1/2 5…7-1/2 503-BAÄ-40T 503-BFÄ-40T 503-BJÄ-40T 503-BCÄ-40T
10 10 503-BAÄ-41T 503-BFÄ-41T 503-BJÄ-41T 503-BCÄ-41T
2 45 10 10 503-CAÄ-41T 503-CFÄ-41T 503-CJÄ-41T 503-CCÄ-41T
15 15 15 503-CAÄ-42T 503-CFÄ-42T 503-CJÄ-42T 503-CCÄ-42T
20…25 20…25 503-CAÄ-44T 503-CFÄ-44T 503-CJÄ-44T 503-CCÄ-44T
3 90 15…25 20…25 503-DAÄ-44T 503-DFÄ-44T 503-DJÄ-44T 503-DCÄ-44T
30 30 503-DAÄ-45T 503-DFÄ-45T 503-DJÄ-45T 503-DCÄ-45T
30…50 40…50 503-DAÄ-47T 503-DFÄ-47T 503-DJÄ-47T 503-DCÄ-47T
4 135 30 503-EAÄ-45T 503-EFÄ-45T 503-EJÄ-45T 503-ECÄ-45T
40 40 503-EAÄ-46T 503-EFÄ-46T 503-EJÄ-46T 503-ECÄ-46T
50 503-EAÄ-47T 503-EFÄ-47T 503-EJÄ-47T 503-ECÄ-47T
60 503-EAÄ-48T 503-EFÄ-48T 503-EJÄ-48T 503-ECÄ-48T
60…75 503-EAÄ-49T 503-EFÄ-49T 503-EJÄ-49T 503-ECÄ-49T
100 75…100 503-EAÄ-50T 503-EFÄ-50T 503-EJÄ-50T 503-ECÄ-50T
5 270 50…60 503-FAÄ-48T 503-FFÄ-48T 503-FJÄ-48T 503-FCÄ-48T
75 60…75 503-FAÄ-49T 503-FFÄ-49T 503-FJÄ-49T 503-FCÄ-49T
100 503-FAÄ-50T 503-FFÄ-50T 503-FJÄ-50T 503-FCÄ-50T
125 503-FAÄ-51T 503-FFÄ-51T 503-FJÄ-51T 503-FCÄ-51T
125…150 503-FAÄ-52T 503-FFÄ-52T 503-FJÄ-52T 503-FCÄ-52T
200 150…200 503-FAÄ-54T 503-FFÄ-54T 503-FJÄ-54T 503-FCÄ-54T
  

⋆ To order contactors (sizes 0…3) with current limiters, change the letter T to D at the end of the listed cat. no. Example: Cat. No. 503-AAÄ-35D.
‡ When controlling high efficiency motors – consult your local Rockwell Automation sales office or Allen-Bradley distributor for proper circuit breaker selection.


Ä Coil Voltage Code

The cat. no. as listed is incomplete. Select a Coil Voltage Code from the table below to complete the cat. no.
Example: Cat. No. 503-BAÄ-35T becomes Cat. No. 503-BAB-35T. For other voltages, consult your local Rockwell Automation sales office or Allen‑Bradley distributor.


  [V] 208 230…240 460…480 575…600
Common Control AC, 60 Hz H A B C
Transformer Control (See Configuration of a Basic Combination Starter Note)
120V Separate Control (without transformer) AD AD CD CD