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3021B Brochure

Options & Accessories

Fusing 3-Pole Touchsafe Fusekit
Options Din Rail Mounting
  Potentiometer Kit

3021B Three Phase Power Controller

Status: 
Actively Shipping - Not recommended for new designs
Phases: 
Three phase
Firing mode: 
Zero cross
Output: 
AC
Amp Sizes: 
10, 20, 30, 40, 70
Voltage: 
120, 240, 480, 575*
Control: 
Analog
Feedback type: 
Voltage
Features: 
  • Line voltage compensation holds load voltage constant with changes in line voltage
  • Sync-Guard™ smoothes out line current draw when multiple controllers are in use.
  • Compact and economical
  • Fast cycling distributive control improves heater life and reduces temperature variations.
  • 2500 Vac RMS isolation between input/output and line voltage/heatsink.
  • Natural convection.

Command Signal:

0-5 VDC, 0-10 VDC, or Potentiometer*

 

Alternate phases:

Available as a single phase as a 1021B.

 

Applications:

Electric ovens, furnaces and kilns. An excellent contactor replacement and may be used in all resistive heating applications.

 

Notes:

Even greater density can be achieved by using the 3021B on our 1600 family heatsink. Up to six 70 amp controllers, all within a 7.28" x 14.5" footprint!

 

* Other special options are available; contact the factory for more information.

Agency approvals: 
UL
cUL/CSA