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KDJB-802C Microcomputer Relay Protection Tester
KDJB-802C Microcomputer Relay Protection Tester

KDJB-802C Microcomputer Relay Protection Tester

Applications:

Widely used in power system relay protection testing for transmission lines, transformers, generators, and power equipment. Suitable for power stations, substations, maintenance sites, and laboratories in 0–40℃, dry, non‑corrosive, non‑explosive environment.

  • Response within
    24 hours

  • Free warranty
    12 month

  • On-line training
    Support

Profile:

KDJB-802C integrates AC/DC output, harmonic superposition, and full protection test. It supports standalone/PC operation, 4U3I high‑fidelity linear output, DSP control, and complete safety protection. Compact, portable, and high‑precision for automatic relay calibration.

Features:

  • 4-phase voltage & 3-phase current independent linear amplifier output
  • Standalone with 6.4-inch TFT LCD & trackball or external PC control
  • Built-in 110V/220V adjustable DC auxiliary power supply
  • Supports 0–20th harmonic superposition and sequence component output
  • 8-channel input & 4-channel output with 0.1ms time measurement
  • Full self-protection: overcurrent, overvoltage, overtemperature, short circuit

Parameter:

  • AC current: 0–40A/phase, 0–120A/3-parallel, 0.2% accuracy
  • DC current: 0–±10A/phase, 0–±30A/3-parallel, 0.5% accuracy
  • AC voltage: 0–120V/phase, 0–240V/line, 0.2% accuracy
  • DC voltage: 0–±160V/phase, 0–±320V/line, 0.5% accuracy
  • Frequency: 0–1000Hz, harmonics 0–20th
  • Switch input: 8 channels, 24V dry & 11–250V voltage contact
  • Switch output: 4 channels, DC 220V/0.2A, AC 220V/0.5A
  • Time measurement: 0.1ms–9999s, accuracy 0.1ms
  • Auxiliary DC: 110V/220V adjustable, 1.5A
  • Power supply: AC220V±5%, 50Hz