Type: | Electromagnetic |
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Output Signal Type: | Analog Output |
Production Process: | Integration |
Samples: |
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Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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DC leakage current sensor applied to photovoltaic insulation
The leakage current sensor is installed around the positive and negative outgoing lines of the photovoltaic DC circuit. When the device is running, the signal output by each branch sensor is detected in real-time. When the branch insulation is normal, the current flowing through the sensor is equal in magnitude and opposite in direction. The output signal is zero; when the branch is grounded, the leakage current sensor has a differential current flowing, and the output of the sensor is not zero. Therefore, by detecting the output signal of each branch sensor, the grounding branch of the photovoltaic DC system can be judged. This principle has high precision in line selection and is not affected by the distributed capacitance of the line.
Specification | Rated current | Power supply | Rated output | Aperture | Precision |
AHLC-LTA | DC 10mA~2A | ±15V | 5V | φ20mm | 1 |
AHLC-EA | DC 10mA~2A | ±15V | 5V | φ40mm | 1 |
AHLC-EB | DC 10mA~2A | ±15V | 5V | φ60mm | 1 |
AHLC-EA | |
Item | Parameter |
Rated Input Current | ±10~±2000mA |
Rated Output Voltage | ±5V |
Accuracy | 1 |
Supply Power Voltage | DC±15V(±20%) |
Zero offset voltage | ±20mV |
Offset voltage drift | ≤±1.0mV/ºC |
Linearity | ≤0.3%FS |
Response time | ≤300ms |
Insulation voltage | 2.5kV/50Hz/1min |
Working Temperature | -40'ºC~85'ºC |
Storage Temperature | -40°ºC~85ºC |
Power consumption | ≤0.5W |
Size Spec. |
Outline size(mm) | Through size(mm) | Mounting size(mm) | Figure | ||||
W | H | D | Φ2 | Φ1 | M | N | ||
AHLC-LTA | 68 | 57 | 20 | 50 | 20 | 52 | 52 | Fig.1 |
AHLC-EA | 100 | 108 | 30 | 75 | 40 | 78 | / | Fig.2 |
AHLC-EB | 120 | 112 | 30 | 94 | 60 | 98 | / | Fig.3 |
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