Delta VFD004S21B VFD-S Series Drive

  • Series: VFD-S
  • 0.5 HP
  • 0.375 KW
  • 230 V
  • 2.5 A
  • Input: 1/3 PH
This product is no longer manufactured or sold. The Delta recommended replacement is the VFD2A8MS21ANSAA drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.

Replacement Drive

Delta no longer considers this drive to be a core product. There is limited stock or long lead times. Call 800-985-6929 to check stock.
Newer model recommended replacement drive:
Single Phase Input: VFD2A8MS21ANSAA
Three Phase Input: VFD2A8MS23ANSAA
Always confirm drive specifications and call 800-985-6929 if you have any questions. Note VFD2A8MS21ANSAA and VFD2A8MS23ANSAA do not have the same dimensions, please verify replacement drive dimensions will fit your enclosure or mount.

General Purpose AC Micro Drive. Delta Electronics’ most cost effective general purpose drive. The VFD-S series drive is famous for its low-noise carrier frequency feature and easy to use keypad. Applications: Air conditioner for large buildings; water supply system for large buildings; temperature control of middle/large oven; webbing loom; packing machine; conveyor belt; fan of drying machine, etc.

Delta VFD004S21B – Small and Easy Used Drives

Delta Products
AC Drives, VFD-S Series

ITEM # VFD004S21B
MFG # VFD004S21B
Series VFD-S

Drive, AC, 1/2Hp Single Phase 230V Input

Specifications
Item Number: VFD004S21B
Manufacturer: Delta Products
Item Category: Drives
Subcategory: AC
Series: VFD-S
Nominal Input VAC: 208;240 Volts AC
Input Range VAC: 200 to 240 Volts AC
HP (CT): 0.5 Horsepower
Amps (CT): 2.5 Amps
Input Phase: 1
Operator Controls: Built In
Max. Frequency: 400 Hertz
Braking Type: DC Injection;Dynamic Braking
Motor Control-Max Level: V/Hz (Scalar)
Closed Loop: No
AC Line Regenerative?: No
Dynamic Braking Trans?: Included
Enclosure Rating: IP20

Click on the links below to see Drawings and Specs:

Delta VFD-S-Catalog

Delta VFD-S-User-Manual

Delta VFD-S-A-PD00 Spec Sheet

Delta Bypass Panels play an important role in a system to reduce energy usage,optimize AC motor speed control, extend motor life, and reduce overall cost. The bypass capabilities allow the motor to be operated from either the Delta VFD or at full speed, directly across the line. The Delta Bypass Panel sets a benchmark for cost, performance, quality, and custom engineered bypass panels. Delta offers both the standard bypass panel, or our custom engineered panel to fulfill all your specification requirements.