KINGSINE KFA310 Mini Handheld Protection Relay Tester
KFA310 Mini Handheld Protection Relay Tester
Product Feature：
1. Kingsine KFA310 protection relay testing equipment marks the world’s smallest protection relay tester with 7.0-inch LED touch screen. Easy to carry, iPad-sized, and weighing only 3.7 kg, it outputs up to 50A with high precision and can continuously output 3x10A conditions.
2. Extremely simple design for its internal structure, ensures high quality and reliability.
3. Innovative “Plug and Play” technology enables this mini handheld secondary injection test set to make after-sales service very easy and efficient, within 20 working days.
4. Main functions
▪ AC/DC test, Ramping, State Sequence, Harmonic, Distance, Overcurrent
▪ Oscillate Test: This secondary injection test set can be used for customizing superimposed oscillation waveform simulation testing.
▪ Frequency test (df/dt, ROCOF)
▪ 3-Phase standard Power source
▪ Energy meter calibration
▪ Double-device synchronous test (up to 6 current channels for differential test)
▪ 8 Channels Low-Level outputs (0 – 8Vrms)
5. With its high-precision output, this mini handheld secondary injection test set can be used as a standard source.
Technical Parameters：
| AC Voltage Outputs | ||
| 22.5 VA max each@300V | ||
| 21 VA max each@200V | ||
| Output Range & Power | 4×300 V ac (L-N) | 12.5 VA max each@100V |
| 7 VA max each@63.5V | ||
| 6.65 VA max each@57.7V | ||
| 1.1 VA max each@10V | ||
| Accuracy | <0.015%Rd+0.005%Rg Typ. <0.02%Rd+0.03%Rg Guar. |
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| Resolution | 0.001V | |
| Distortion | <0.05%Typ. / <0.1% Guar. | |
| DC Offset | <5mV Typ. <60mV Guar |
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| Ascends/Descent response | <100us | |
| DC Voltage Outputs |
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| Source Channels | 4 | |
| DC voltage output range | 0~300 V (L-N) | |
| DC voltage output power | 22.5W Max | |
| DC voltage accuracy | <0.03%Rd+0.01Rg Typ. <0.04%Rd+0.06Rg Guar. |
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| Ascends/Descent response | <100us | |
| Resolution | 1mV | |
| AC current outputs |
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| Source Channels | 3 | |
| AC current output range | 0~10A, L-N / (Can be optional as 0~20A) 0~20A, LL-N / (Can be optional as 0~40A) 0~30A, LLL-N / (Can be optional as 0~50A) |
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| AC current output power(Max) | 75VA Max for 10A L-N 130VA Max for 20A L-N/LLL-N |
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| AC current output accuracy | <0.015%Rd+0.01%Rg Typ. <0.02%Rd+0.03%Rg Guar. |
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| DC Offset | <1mA Typ. <2mA Guar |
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| Distortion | <0.05%Typ. / <0.1% Guar. | |
| Ascends/Descent response | <100us | |
| Resolution | 1mV | |
| DC current outputs |
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| Source Channels | 1 | |
| DC current output range | 0~10A, L-N | |
| DC current output power | 138W | |
| DC current accuracy | <0.03%Rd+0.01Rg Typ. <0.04%Rd+0.06Rg Guar. |
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| Resolution | 1mA | |
| AC frequency |
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| Range sine signals | DC, 10 ~ 1000Hz | |
| Output accuracy | ±5ppm | |
| Resolution | 0.001Hz | |
| Phase |
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| Output range | -360°~360° | |
| 50Hz output accuracy | ±0.1° Typ. / <0.2° Guar. | |
| Resolution | 0.001° | |
| Auxiliary DC supply |
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| Output range | 12~350V | |
| Output power | 40W max | |
| Accuracy | <1% | |
| Binary input and time accuracy |
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| Binary input logarithm | 4 pairs | |
| Trigger mode | Dry/Wet contact | |
| Input voltage range | 0 V～300Vdc | |
| Timing accuracy | < ±1ms @ 0.001~1s， < ±0.1% @ >1s |
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| Timing resolution | 36us | |
| Max time limit | infinity | |
| Binary output (Relay Contacts) |
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| Binary output pairs | 2 pairs（DO-1 and DO-2） | |
| Type | Potential free relay contacts,software controlled | |
| Break capacity AC | Vmax：380V（AC）/ Imax：8A/Pmax:2000VA | |
| Break capacity DC | Vmax：240V（DC）/ Imax：5A/Pmax:150W | |
| Responce time | ≤10 ms | |
| Binary output (Fast eSSR) |
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| Binary output pairs | 2 pairs（DO-3 and DO-4） | |
| Circuit Breaker Simulate | Can be define as Open or Close status | |
| Break capacity AC | Vmax：250V（AC）/ Imax：0.5A | |
| Break capacity DC | Vmax：250V（DC）/ Imax：0.5A | |
| Responce time | <100us | |
| Contact performance | Open the dry contact output using opto-coupler relay, the on-resistance is ≤ 6Ω, and the shut-off withstand voltage is ≥DC300V | |
| Time Synchronization (Time accuracy) |
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| GPS / BD | Yes, 5us | |
| IRIG-B | Yes, 5us | |
| Power supply |
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| Rated power supply | 100 ~ 240Vac,1-phase | |
| Enable input voltage | 100～264Vac | |
| Rated input frequency | 50 Hz/60 Hz | |
| Enable input frequency | 47 Hz ~ 63Hz | |
| Inbuilt Battery |
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| Nominal volume | 28.8V – 93.6Wh, (3250mAh) | |
| Operating Temperature | Charge: 0 to 45°C (Ambient) Discharge: -20 to 60°C (Ambient) |
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| Charge time (0-80%) | 2h | |
| Charge time (0-100%) | 4h | |
| Interface port |
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| RJ45 Ethernet | 1 port, 10/100M | |
| USB | USB3.0 x 1 | |
| Wifi | Optional | |
| Bluetooth | Optional | |
| Operation Control |
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| Touch Screen & Host Control | Yes, 7.0″ LCD | |
| Basic PC software | Optional | |
| Advance PC software | Optional | |
| Other information |
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| Weight | 3.7kg | |
| Dimensions(W x D x H) | 288x185x95 (mm) | |
| Item | Standard | Optional |
| Current output | 3×10A | Upgrade to 3×20A |
| Wifi | – | Optional support |
| Bluetooth | – | Optional support |
| Low-Level output | – | Optional support |
| Energy Meter calibration | – | Optional support |
| Basic PC software | Basic Modules | – |
Low level outputs（Optional）：
| Number of outputs | 8 |
| Setting ranges | 0~8Vrms |
| Max. output current | Rating 2mA, 10mA transient max. |
| Accuracy | (0.01~0.8 Vrms): <0.05% Typ. / <0.1% Guar. (0.8~8 Vrms): <0.02% Typ. / <0.05% Guar. |
| Resolution | 250 μV |
| Distortion (THD+N) | < 0.05% Typ. / <0.1% Guar. |
| Connection interface | Phoenix terminal |
Energy Meter Calibration (Optional)
| Sensor Usage | Mechanical meters / Electronic meters |
| Sensor Output | High lever:>4.5V, Low level:<0.2V |
| Pulse Input | High lever:>4.5V, Low level:<0.2V |
| Pulse Range | 500KHz pulse input Max. |
| Pulse Output | 1 Transistor output, Open-collector, 5Vdc/5mA |