Heater Power Regulator

Digital Type(SPR-D Series)

 F. Specifications                                Catalog download(pdf) 

Type

SPR-D Series

Firing Mode

   1) Zero-Crossing
   2) Phase Angle
   3) Mixed(Phase angle+Zero-Crossing)

Phase

Single Phase

Three Phase

Supply voltage

100/110, 200/220, 380, 440, 480, 560 V 10%, 50/60Hz   (line-to-line voltage)

Rated current

25, 35, 50, 75, 100, 150, 200, 300, 400, 500, 600, 700 , 1000A

Load type

All heater load : resistive load, inductive load, transformer couled

Main Functions

   1) Selectable firing modes
     -. Fixed time base zero-crossing
     -. Variable time base zero-crossing
     -. Phase angle
     -. Constant current control
     -. Mixed (phase angle+zero-crossing)
  2) Soft start, current limit, Over current trip
  3) Data display : load current, load voltage
  4) Applicable inside Delta connection

AUTO Mode

  ()4~20mA

Internal  resistive impedance : 250 ohm

  ()1~5V

Internal resistive impedance :  47 kohm

MANU Mode

  ()0~5V

External variable resistor 3~10 kohm  2W

Control range

    0~100%

Control supply
voltage

   AC 100~240V10%, 50/60Hz

Control Input
Switch

   NPN Open collector  Input  type

Meter output

 Output signal : current, voltage
 Signal Output spec. : DC 0~ 5V  5mA

Contact output

   At fault  : 250V 5A 1a1b contact output

Protection

  1).Over-load detect                 2).Heat sink over-temperature detect
  3).Fuse open detect                4).SCR shorted detect
  5).Load open/failure detect     6).Load  conditions detect
  7).Load unbalance Detect

Communication

  RS-232 for serial communication.   Monitoring and Setting functions

Ventilation

   Natural-Air  &  Forced-air

Temperature  

   0~ 50 degree, 0~80%

Insulation

   AC2,000V 1min., 20Mohm or more(at DC500V Megger)

     ( Other specifications will be available on your request.)

 


TEL:02-866-1231,fax:02-863-9449, e-mail:
sungwan@sungwan.co.kr