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SPRS Series - Modular Multi-Channel Power Controllers

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SPRS Series Modular Multi-Channel Power Controllers

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The SPRS series modular multi-channel power controllers combine control modules and power modules to accurately control temperature of heating machinery. Efficient power control is possible with power distribution control function for up to 36 units. Various control methods and alarm functions are also available.

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Main features

  • Modular power controllers with separate control and power modules
  • Connect up to 4 power modules to a single control module
  • Various rated current models : 25A to 600A
  • Single-phase control or three-phase control selectable
  • Various control types
    - Phase control: standard control, feedback control (constant voltage, constant current, constant power)
    - Cycle control: fixed/variable cycle control
    - ON/OFF control
  • Various functions
    - power distribution control (cycle control), alarm history, PI control, self-diagnosis, dual single-phase control, input voltage monitoring etc.
  • Various alarms functions
    - heater break, partial heater break, fuse break, heatsink overheat, overcurrent, FAN error, etc.
  • RS485, CC-Link, EtherCAT, ProfiNet communication
  • Modular Icon

    Modular Type

  • Power distribution icons

    Power Distribution

  • Compact Icon

    Compact Size

  • Alarm Output Icon

    Alarm Output

  • Various communication icons

    Various Communications

  • Modular Power Controllers

    The SPRS series consist of separate control power modules for easy maintenance. The control modules support 4 types of communication options by model, and the power modules are available in 14 models by rated current options. Users can connect and use up to 4 power modules simultaneously.

    Front view of the SPRS modular power controller with control and various power modules connected

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  • Single-Phase or Three-Phase Control

    The SPRS series can control single-phase or three-phase by combining three power modules to a single control module. Users can install multiple power controller units tightly requiring less space. 

    SPRS power controller demonstrating three-phase power control capability

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  • Power Distribution Control Function

    The SPRS series feature power distribution control function that can sequentially control the output time to prevent overlapping the instantaneous output when controlling multiple power controllers. Users can lower peak power for up to 36 power modules with this function.

    Graph illustrating power distribution control function and overall power usage in the SPRS series

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Compact Size

The compact size allows space saving installation.

  • Size comparison of control module and Type A, B, C, and D power modules for efficient installation

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  • Control Module
    Control Module
    W 60 x H 200 x D 200 mm
    Power Module
    Type A (25~70A) W 50 x H 200 x D 200 mm
    Type B (90~180A) W 70 x H 270 x D 200 mm
    Type C (200~350A) W 85 x H 350 x D 200 mm
    Type D (400~600A) W 120 x H 400 x D 240 mm
  • 4-Line LCD Display

    The SPRS features 11-segment LCD display for improved visibility. The 4-line display allows monitoring of current (A), voltage (V), output (%), temperature (℃), resistance (Ω), power (kWh), frequency (Hz), etc., enabling efficient power management.

    Close-up of 4-level LCD display showing real-time current, voltage, power, and other power management data

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  • Convenient Fuse Replacement

    Users can open the front of the power module 180° without separate tools for easier maintenance.  

    Side view of power module with fuse structure opened at 180 degrees for easy maintenance

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