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KDSL-S500A Three-Phase Primary Current Injector
KDSL-S500A Three-Phase Primary Current Injector

KDSL-S500A Three-Phase Primary Current Injector

Applications:

Used to calibrate thermal relays, motor protectors, contactors, circuit breakers and switchgear. Applied in electrical manufacturing, power system maintenance and quality inspection labs for high-current performance testing of electrical protection devices.

  • Response within
    24 hours

  • Free warranty
    12 month

  • On-line training
    Support

Profile:

KDSL-S500A is a three-phase high-current generator adopting numerical control technology. It features stable sine wave output, high precision and compact design, with easy operation for reliable calibration of electrical protection equipment.

Features:

  • High power output with small size and light weight (30%~70% of similar products) for easy portability
  • True RMS current display with ≤0.5 class accuracy, stable and reliable measurement
  • Stepless adjustable AC output current (0~500A) with ≤0.3% ripple coefficient, meeting power system requirements
  • Split structure design, flexible wiring for three-phase balanced/unbalanced and phase-loss tests
  • Overcurrent and overvoltage protection functions to ensure operator and equipment safety
  • Compatible with 380V three-phase and 220V single-phase power supply for on-site convenience
  • PVC panel with intuitive digital display for easy test observation and recording

Parameter:

  • Power Supply
    • Input voltage: AC 380V/220V, three-phase four-wire, 50Hz
    • Rated power: 6KVA (2KVA×3)
  • Output Performance
    • Output current: AC 0～500A (stepless adjustable), output voltage: >5V
    • Auxiliary output: 120V, 3A
    • Output waveform: Standard sine wave, ripple coefficient ≤0.3%
    • Current stability: 0.5%
  • Measurement Accuracy
    • Current measurement accuracy: ≤0.5 class (actual ~0.3 class with 0.2S grade materials)
    • Display: True RMS value for voltage and current
  • Structure & Operation
    • Structure: Split type; Wiring: Flexible (three-phase balanced/unbalanced, phase-loss tests)
    • Control: Output adjustment knobs (A/B/C phase), start/stop buttons, zero-start protection
  • Protection Functions
    • Overcurrent protection, overvoltage protection
  • Working & Storage Conditions
    • Working environment: GB6587.1-86 Group Ⅲ (outdoor usable)
    • Storage temperature: -20℃～60℃; Relative humidity: ≤85% (no condensation)
    • Storage: Ventilated room without corrosive gases, not close to ground/walls
  • Accessories
    • Standard accessories: Power cord set, user manual, certificate of conformity, warranty card, 6×3m output copper wires

Contact Us

Kaidi Zhengda Electric
Kaidi Zhengda

Oversea Sales Manager

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Address：4th Floor, Building 12, No. 88, Huanhu Middle Road, Dongxihu District, Wuhan City, Hubei Province, China

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