MODEL SHZF2 SERIES
POWER CONTROLS
 
Three-Phase (3-Wire Only) Zero-Fired Models
Rated 15 - 225 Amperes
 

The SHZF2 Series is designed to deliver maximum power control with all the features normally found in much larger units. Utilizing only two frame sizes, these units are conservatively engineered for years of trouble-free service while providing the benefits of precise, reliable control for your electrical process.

The SHZF2 Series accepts all standard voltage and current command signals or a remote potentiometer input. The 4-20 mA command signal is optically isolated. Standard operating voltages are 120, 240, 400, 480 & 575 Vac, 3 Phase, 50/60 Hz. Other voltages are available.

Multi-turn zero and span adjustments are provided for matching the SCR power control to the command signal. Control power, command signal and blown fuse indicators are provided as a means for trouble shooting. The control power indicator (red) indicates power has been applied to the unit. The command signal indicator's (green) brilliance is proportional to the output voltage. The blown fuse indicators (3 - yellow) light if a fuse is cleared (60-225A).

 

Click here to download a PDF brochure

 

   
Electrically Isolated Heat Sink
Compact Size
Conservative Thermal Design
Voltage Squared Linearity
Line Voltage Compensation
Transient Voltage Protection (RC & MOV)
1400 PIV SCRs
Semiconductor (I2t) Fuse
Diagnostic Indicators
3rd Leg Fused
Optically Isolated Input Command Signal (4-20 mA)
Multi-Turn Zero & Span Adjustments
Silkscreened Printed Circuit Boards
UL, cUL Listed, CE Compliant
5 year "No Hassle" warranty
Fan Cooled (90A and higher)
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Primarily used to control static resistive or non-inductive loads.
Small electric furnaces
Electric ovens, kilns & heaters
Extrusion or injection molding

   

 

     

 

 

 


 

 

 

Specifications
   
Control Method: zero-firing of back-to-back SCRs (2-leg Control)
Voltage Rating: 120, 240, 400, 480, 575 Vac, 3 phase, 50/60 Hz
Current Ratings: 15, 25, 30, 60, 90, 120, 180, 225 Amperes
Command Signal: Most standard process signals
Isolation: 2500 volts rms from power circuit to command signal and to ground
Adjustments: Zero and span, multi-turn
Ambient Temperature: Operating: 0º to 50ºC Storage: 10º to 70ºC
Relative Humidity: 0 to 95% (non-condensing)
Weights:
15, 25A - 6 lbs.
30 thru 225A - 33 lbs.


 

 

 
Dimensions
   
Click on the illustration for a larger view
15, 25A 30-225A
 
       
   
3563 Interchange Rd.
Columbus, OH 43204

Tel: (614) 308-5500
Fax: (614) 308-5506

Toll Free: (888) 797-2685
Email: info@hdrpower.com