In-House ProductsIn-House Products » 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
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Voltage generators
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Setting
Range
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4-phase AC (L-N)
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4 x 0 ... 130V
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1-phase AC (L-L)
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2x 0 ...260 V
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Power
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4-phase AC (L-N)
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4 x70VA, at 0 ...130 V
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1-phase AC (L-L)
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2 x 120VA, at 0 ...260 V
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Accuracy
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<0.07% reading + 0.03% range guaranteed at 0-130V
<0.04% reading + 0.01% range typical at 0-130V
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Resolution
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1mV
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Current generators
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Setting
Range
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3-phase AC (L-N)
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3 x 0 ... 35 A
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1-phase AC (3L-N)
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1 x 0 ...105 A
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Power
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3-phase AC (L-N)
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1x 600VA, at 0 ... 35A
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1-phase AC (3L-N)
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1 x 1000 VA, at 0 ...105A
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Accuracy
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<0.14% reading + 0.06% range guaranteed at 0-35A
<0.05% reading + 0.02% range typical at 0-35A
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Resolution
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1mA
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Generators, general
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Frequency
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Range
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0 ... 1000 Hz
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Accuracy / drift
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Error < 0.001Hz at 10 ... 450Hz, error < 0.01Hz at 450Hz...1000Hz
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Resolution
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0.001Hz
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Phase
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Range
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- 360° ... +360°
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Accuracy / drift
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Error < 0.2 °
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Resolution
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0.01°
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Time
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Range
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0 ... 999.999s
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Accuracy / drift
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Error<0.1ms
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DC generators
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Voltage ranges
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0 ... 300V/150VA
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Current ranges
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0 ... 20A/300W
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Accuracy
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Error< 0.2%
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Resolution
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1mA; 1 mV
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Aux DC Supply
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Range
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0...300V/0.5A
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Binary inputs
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Number
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8 pairs
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Compatible Voltage
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10V ... 250V
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Binary outputs
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Number
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4 Pairs
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Capacity
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250V/2A
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Synchronization
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Synchronization mode
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GPS
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Harmonic
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Harmonic overlap times
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2 ... 9 times
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Power supply
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Nominal input voltage
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220V±10% VAC, 1-phase
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Power
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1000VA
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Nominal frequency
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50±10% Hz
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Environmental conditions
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Operation temperature
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-5°C ... 55 °C
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Storage temperature
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-20°C ... 75 °C
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Humidity range
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5% ... 90 %, non-condensing
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Weight
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24KG
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Dimensions
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420(D)×140 (W)×360 (H) mm
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Interface
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RJ45 ,USB,RS232,PS/2,VGA
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Main Series Relay Tester List:
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MK68
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3x35A,4x130V,5 function modules, Ethernet, TFT LCD, WinCE
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Major functions:
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Items
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IEEE(R) No.
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Overcurrent relays
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50/76
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Inverse time overcurrent relays
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51
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Undercurrent relays
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37
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Ground fault relays
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50
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Directional overcurrent relays
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67
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Directional ground fault relays
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67N
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Overvoltage relays
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59
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Undervoltage relays
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27
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Directional voltage relays
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91
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Directional power relays
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32
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Power factor relays
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55
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Distance protection equipment (phase by phase)
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21
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Automatic reclosing devices
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79
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Tripping relays
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94
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Voltage regulating relays
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Overimpedance relays, Z>
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Underimpedance relays, Z
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Time-delay relays
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 MK68 Series Short Form
MK68 Instruction + Manual |
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