TEST-330B Three Phase Secondary current Injection Test Set

secondary current injection test set

The Test-330B relay tester is one type three phase secondary current injection test set, the first choice for applications requiring very high accuracy more than 0.1%. This relay test unit is not only an excellent test set for protection devices of all kinds but also a universal calibrator. This secondary injection tester can as a ac or dc current source and voltage, with five channel voltage and three phase current output, and 2 to 21 times harmonics function, max current 90A, max voltage 300V. TEST-330B injection test equipment with PC control software. Its unique accuracy and reliability make the Test-330B ideal for protection and measurement equipment manufacturers for research and development, production and electric power company type testing.



  • 8 binary input, 4 binary output;
  • Frequency output from 0 to 1050Hz;
  • High-accuracy linear power amplifier;
  • Intelligent self-protection function;
  • Hardware self-calibration function for user;
  • Plentiful Binary and powerful software function;
  • Eight-path synchronous D/A output in a single machine;
  • Phase shift from 0°to 360.000°or -180.000° to 180.000°;
  • 3 phase current output, 5 phase voltage output, Accuracy 0.1%;
  • Embedded host machine equipped with Complex Programmable Logic Device (CPLD);
  • Synchronous output of five-phase voltage and three-phase current, Max AC current output is 90A, Max AC voltage output is 260V;
  • Host machine integrated single cabinet structure with big LCD screen and complete interface has obtained appearance patent;
  • Easily complete the ABB, Siemens, AREVA, Schneider, GE, SEL, VAMP, Toshiba, NR, Sifang and other foreign manufacturers of protective device test;

Test item

  • DC test
  • U/I test
  • I-T test
  • Special test
  • Harmonic test
  • State sequence
  • Oscillation test
  • Fault Recurrence
  • Hardware checkout
  • Setting group test
  • Differential relay
  • Metering instrument
  • Distance protection
  • Synchronization test
  • Power direction test
  • Frequency Protection
  • Low Voltage protection
  • Differential protection
  • Zero sequence protection
  • Impedance characteristics


  • Power plant;
  • Universities;
  • Oil, gas company;
  • Panel manufacturer;
  • Research institutes;
  • Relay manufacturers;
  • Electrical testing center;
  • Railway electrical company;
  • ISO17025 electrical laboratory;
  • Protection device manufacturers;
  • Power engineering commissioning company;
  • Electricity power bureau & power company;
  • Electrical Department of industrial and mining enterprises;


Electrical parameters
Power voltage AC220V±10% or AC110V±10%, 50/60Hz±10%
AC current output(Ia, Ib, Ic)
Phase current output (effective value) 3 x 0-30A
Maximum power output 260VA/phase
Maximum parallel current output (effective value) 0-90A
Long-term allowable working value of phase current(effective value) 0-10A
Rosolution 1mA
Allowable working time of maximum current >11s
Accuracy class <±0.1% , Typital 0.05%
AC voltage output(Ua,Ub,Uc,Ux,Uy)
Phase voltage output (effective value) 5 x 0-130V
Line voltage output (effective value) 0-260V
Maximum power output 70VA/phase
Rosolution 1mV
Accuracy class  <±0.1% , Typital 0.05%
Power output
Accuracy class <±0.1% , Typital 0.05%
Frequency output
Output frequency 0-1050Hz
Frequency error <±0.001Hz
Phase angle output
Phase angle -180.000°-0-180.000°, 0.000°-360.000°
Phase error <±0.1°, Typital 0.05°
DC current output 
Output range -15 to 15A or 3 x 0 to ±10A
Maximum power output 200VA
Accuracy class  <±0.1% , Typital 0.05%
DC voltage output 
Output range 0-300V or 5 x 0 to ±130V
Maximum output power 130VA
Accuracy class  <±0.1% , Typital 0.05%
Binary input 
Idle contact 1-20mA, 24V (DC)
Electric potential contact 250V/0.5A (DC)
Binary input number 8PCS
Binary output 
Idle contact 250V/0.5A (DC)
Binary output number 4PCS
Waveform distortion <±0.3% (fundamental wave)
Time measurement 0.1ms-999999.999s
Time error <40µs
Superposed harmonic wave 0-21times
GPS Optional
LCD 8.4 inch color TFT LCD
Key 24pcs key
Communication port RS232, USB, VGA, 10/100M LAN
Standard IEC 61010, IEC 61000, IEC 61326, JJG1112-2015, DL/T624-2010, DL/T 1153 -2012
Mechanical parameters 
Dimensions (L×W×H) (mm) 360x195x375
Weight (kg) 16.6
Environmental conditions
Operation temperature 0°C to 50°C
Storage temperature -25°C to 70°C
Humidity range Relative humidity 5 ... 95 %, non-condensing


ANSI Standard Device
List of Device Numbers Relay or Circuit Rreaker FUNCTION
2 Time Delay Starting or Closing Relay Yes
21 Distance Relay Yes
24 Over-Excitation Relay Yes
25 Synchronizing or Synchronism-Check Device Yes
27/27N Undervoltage Relay Yes
30 Annunciator Relay Yes
32 Directional Power Relay Yes
36 Polarity or Polarizing Voltage Devices Yes
37 Undercurrent or Underpower Relay Yes
40 Field Relay Yes
46 Reverse-phase or Phase-Balance Current Relay Yes
47 Phase-Sequence Voltage Relay Yes
50/50N Instantaneous Overcurrent or Rate of Rise, Relay Yes
51/51N AC Time Overcurrent Relay Yes
52 AC Circuit Breaker Yes
53 Exciter or DC Generator Relay Yes
55 Power Factor Relay Yes
56 Field Application Relay Yes
58 Rectification Failure Relay Yes
59/59N Overvoltage Relay Yes
60 Voltage or Current Balance Relay Yes
61 Machine Split Phase Current Balance Yes
62 Time-Delay Stopping or Opening Relay Yes
64 Ground (Earth) Detector Relay Yes
67/67N AC Directional Overcurrent Relay Yes
68 Blocking Relay Yes
74 Alarm Relay Yes
76 DC Overcurrent Relay Yes
78 Phase-Angle Measuring or Out-of-Step Protective Relay Yes
79 AC Reclosing Relay Yes
81/81U/O/R Frequency Relay Yes
82 DC Reclosing Relay Yes
85 Carrier or Pilot-Wire Receiver Relay Yes
86 Lockout Relay Yes
87 Differential Protective Relay Yes
91 Voltage Directional Relay Yes
92 Voltage and Power Directional Relay Yes
94 Tripping Relay Yes

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