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In-House Products » Protection Relay Test Set (Best Cost Performance for Medium/Low Voltage Test ) Model:MK68
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Protection Relay Test Set (Best Cost Performance for Medium/Low Voltage Test ) Model:MK68
Protection Relay Test Set (Best Cost Performance for Medium/Low Voltage Test ) Model:MK68

Characteristics

  • Auto/Manual Test on all its five modules: DC Test, AC Test, Distance Test, Harmonic Test, Frequency protection
  •  Phase, frequency and amplitude are independently and continuously adjustable
  •  All-in-One Design: with built-in Windows CE System & rotary encoder & panel keyboard & 6.4 inchs TFT LCD (RJ45/USB for update & upload)
  •  High power: 3X0…35A, with a power of 450VA per channel for Medium/Low Voltage level test
  •  High Precision: 0.14% reading+0.06% range guaranteed at 0-35A & 0.07% reading+0.03% range guaranteed at 0-130V.
  •  Wide Application: From old Electromechanic relay to Modern digital relay protection; Suitable working for many world famous relay protection devices such as ABB, AREVA, ALSTOM, SCHNEIDER, SIEMENS, GE, SEL etc.
  •  Multifunction: capable of testing all kinds of relays complied with IEEE Items
  • Reliability: Complete self-protection & alarm indication against wrong-wiring, open/short circuit, overheat & overload, unexpected import of external input source etc.,
  •  3-Years Warranty
  •  Field Testing Convenience: the equipment can be put Vertically or Horizontally for field testing

 

Technical Data of MK68

Voltage generators

Setting

Range

4-phase AC (L-N)

4 x 0 ... 130V

1-phase AC (L-L)

2x 0 ...260 V

Power

4-phase AC (L-N)

4 x70VA, at 0 ...130 V

1-phase AC (L-L)

2 x 120VA, at 0 ...260 V

Accuracy

<0.07% reading + 0.03% range guaranteed at 0-130V

<0.04% reading + 0.01% range typical at 0-130V

Resolution

1mV

Current generators

Setting

Range

3-phase AC (L-N)

3 x 0 ... 35 A

1-phase AC (3L-N)

1 x 0 ...105 A

Power

3-phase AC (L-N)

1x 600VA, at 0 ... 35A

1-phase AC (3L-N)

1 x 1000 VA, at 0 ...105A

Accuracy

<0.14% reading + 0.06% range guaranteed at 0-35A

<0.05% reading + 0.02% range typical at 0-35A

Resolution

1mA

Generators, general

Frequency

Range

0 ... 1000 Hz

Accuracy / drift

Error < 0.001Hz at 10 ... 450Hz, error < 0.01Hz at 450Hz...1000Hz

Resolution

0.001Hz

Phase

Range

- 360° ... +360°

Accuracy / drift

Error < 0.2 °

Resolution

0.01°

Time

Range

0 ... 999.999s

Accuracy / drift

Error<0.1ms

DC generators

Voltage ranges

0 ... 300V/150VA

Current ranges

0 ... 20A/300W

Accuracy

Error< 0.2%

Resolution

1mA; 1 mV

Aux DC Supply

Range

0...300V/0.5A

Binary inputs

Number

8 pairs

Compatible Voltage

10V ... 250V

Binary outputs

Number

4 Pairs

Capacity

250V/2A

Synchronization

Synchronization mode

GPS

Harmonic

Harmonic overlap times

2 ... 9 times

Power supply

Nominal input voltage

220V±10% VAC, 1-phase

Power

1000VA

Nominal frequency

50±10% Hz

Environmental conditions

Operation temperature

-5°C ... 55 °C

Storage temperature

-20°C ... 75 °C

Humidity range

5% ... 90 %, non-condensing

Weight

24KG

Dimensions

420(D)×140 (W)×360 (H) mm

Interface

RJ45 ,USB,RS232,PS/2,VGA

 


Main Series Relay Tester List:

MK68

 

3x35A,4x130V,5 function modules, Ethernet, TFT LCD, WinCE

   


Major functions:

Items

IEEE(R) No.

Overcurrent relays

50/76

Inverse time overcurrent relays

51

Undercurrent relays

37

Ground fault relays

50

Directional overcurrent relays

67

Directional ground fault relays

67N

Overvoltage relays

59

Undervoltage relays

27

Directional voltage relays

91

Directional power relays

32

Power factor relays

55

Distance protection equipment (phase by phase)

21

Automatic reclosing devices 

79

Tripping relays

94

Voltage regulating relays

 

Overimpedance relays, Z>

 

Underimpedance relays, Z

 

Time-delay relays

 

 

  MK68 Series Short Form

  MK68 Instruction + Manual


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