Products Description
Allen‑Bradley 1333‑AAB/C AC Variable Frequency Drive

Technical Specifications
Model:1333‑AAB/C
Brand:Rockwell Allen‑Bradley
Product Type:AC variable frequency drive
Rated power:1HP(0.75kW)
Input voltage:380‑460V AC three‑phase,50/60Hz
Input current:3.3A
Rated output current:2.1A
Input kVA:2.6kVA
Output kVA:1.7kVA
Control mode:V/Hz open‑loop speed control
Output frequency range:0‑400Hz
Enclosure:NEMA Type 1,IP20
Hardware revision:Series C
Cooling mode:Forced air cooling
I/O:Configurable analog input,relay digital output
Protection:Over‑current,over‑voltage,over‑temperature,ground fault,stall protection
Operating Temperature:0℃ ~ +40℃
Storage Temperature:-40℃ ~ +70℃
Mounting:Cabinet panel mounting
Feature:V/Hz open‑loop motor speed regulation;adjustable acceleration and deceleration ramps;skip frequency setting function;Series C updated hardware iteration for circuit optimization;comprehensive fault diagnosis and alarm function;NEMA Type‑1 cabinet‑mount housing;suitable for maintenance of legacy fan,pump and conveyor equipment.
System Compatibility:Small conveyor equipment,fans,pumps,general‑purpose industrial machinery,legacy automation system spare‑part replacement.
Remark:Legacy EOL spare component;original production discontinued;/C denotes Series C hardware revision;confirm motor power,wiring definition before replacement.
Product Details
1333‑AAB/C belongs to Rockwell Allen‑Bradley 1333 series adjustable frequency AC drive. Rated 1HP,380‑460V three‑phase input,3.3A input current,2.1A output current. /C stands for Series C hardware revision with optimized circuit components. It adopts V/Hz open‑loop control for AC motor speed adjustment,provides skip frequency function and configurable acceleration and deceleration parameters,multiple fault protection functions. NEMA Type‑1 IP20 cabinet‑mount structure,mainly used for old‑style small industrial equipment maintenance and spare‑part replacement.