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KDJB-702C 3-Phase Relay Protection Tester
KDJB-702C 3-Phase Relay Protection Tester

KDJB-702C 3-Phase Relay Protection Tester

Applications:

Widely used for relay protection testing in substations, power plants, distribution networks and industrial power systems. Suitable for on-site commissioning, factory calibration and laboratory tests in dry, 0–40℃, non‑corrosive and non‑explosive environment.

  • Response within
    24 hours

  • Free warranty
    12 month

  • On-line training
    Support

Profile:

KDJB-702C provides 4-phase voltage & 3-phase current output, 0.2-class high accuracy, rotary mouse and large LCD. Supports standalone and PC control, complete test modules, built-in 110V/220V DC auxiliary power, full protection and reliable performance.

Features:

  • 0.2-class high accuracy for voltage, current and power test
  • 4U3I independent linear output with 3-parallel current up to 120A
  • Rotary mouse + large LCD for easy standalone operation
  • Built-in 110V/220V adjustable DC auxiliary power supply
  • 8-channel input & 4-channel output with 0.1ms time precision
  • Overcurrent, overvoltage, overtemperature and short-circuit self-protection

Parameter:

  • AC current: 0–40A/phase, 0–120A/3-parallel, 0.2-class, 450VA/phase
  • DC current: 0–±10A/phase, 0–±30A/3-parallel, 0.5-class
  • AC voltage: 0–120V/phase, 0–240V/line, 0.2-class, 80VA/phase
  • DC voltage: 0–±160V/phase, 0–±320V/line, 0.5-class
  • Frequency: 0–1000Hz (PC), 0–300Hz (standalone)
  • Harmonic: 0–20th (PC), 0–6th (standalone)
  • Digital input: 8 channels, 24V dry contact / 11–250V voltage contact
  • Digital output: 4 channels, DC 220V/0.2A, AC 220V/0.5A
  • Time measurement: 0.1ms–9999s, accuracy 0.1ms
  • Auxiliary DC: 110V / 220V switchable, max 1.5A
  • Working environment: 0–40℃, humidity ≤85%
  • Power supply: AC220V±5%, 50Hz