The PRE661 Relay Test System is a high-performance electrical testing platform offering 6 current and 6 voltage channels, purpose-built for advanced testing, commissioning, and diagnostics in power systems. Designed for field engineers and utility technicians, this device excels in testing protection relays, waveform recorders, and metering equipment.
Its modular and integrated design ensures fast setup and powerful functionality whether you’re working on relay calibration, fault simulation, or system diagnostics. With precise signal generation and intelligent software, PRE661 supports automatic configuration, visualization, and complete control via Ethernet connection.
Applications:
Protection relay testing (electromechanical, static, and numerical)
Substation maintenance and diagnostics
Generator and distributed energy testing
Waveform recording equipment evaluation
Power system metering verification
Specifications:
Voltage Output:
6-phase AC (L-N): 0–120V
2-phase AC (L-L): 0–240V
6-phase DC (L-N): 0–±160V
2-phase DC (L-L): 0–±320V
AC Power: 80VA (L-N), 100VA (L-L)
DC Power: 70VA (L-N), 140VA (L-L)
AC Accuracy: ≤0.1%
DC Accuracy: ≤0.2%
Resolution: 10 mV
Continuous Output
Current Output:
6-phase AC (L-N): 0–30A
1-phase AC (6L-L): 0–180A
1-phase AC (L-L): 0–30A
6-phase DC (L-N): 0–±10A
1-phase DC (3L-N): 0–±30A
AC Power: 450VA
DC Power: 200VA
Resolution: 1 mA
AC Accuracy: ≤0.1%
DC Accuracy: ≤0.2%
Output Duration: Up to 30A for 5–30 seconds
Timing & Frequency:
Frequency: 0–1200 Hz (Resolution: 0.001 Hz)
Phase Angle: -360° to +360° (Resolution: 0.1°)
Time Measurement: 0.1 ms–9999 s (Resolution: 0.1 ms)
Binary I/O:
Inputs: 10 (isolated, auto recognition)
Outputs: 8 (4 relay, 4 fast contact)
Breaking Capacity: 250VAC/0.5A or 250VDC/0.3A
General Info:
PC Interface: Ethernet (10M/100M)
Auxiliary DC Supply: 110V/220V switchable
Power Input: 175–260 VAC, 50/60Hz
Power Requirement: >100W
Dimensions: 400 × 200 × 402 mm
Weight: 20 kg
About Manufacturer:
Founded in 2008, Xianheng intl (Elecgene) is a leading developer and manufacturer of portable and rugged test equipment for electrical systems and substations in China. Their tools focus on safety, speed, and cost-efficiency. Elecgene is listed on the Shanghai Stock Exchange and has built lasting partnerships across America, Europe, Southeast Asia, Africa, and the Middle East.
