More Information
1021A Single Phase Zero-Cross Power Controller
Status: 
Inactive - Unable to repair
Alternative: 
Phases: 
Single 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
- 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 in three phase as a 3021A.
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 1021A on our 1600 family heatsink. Up to twelve 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


