Hot Products
Acrel ARB4 Arc Flash Protection Relay
Real-time light intensity monitoring, records intensity and sensor ID for fault point location.
Acrel ARB4 series arc protection device integrates multiple functions such as protection, measurement, monitoring, control, communication, fault recording, event recording, etc. It can monitor arc signals, protect current or voltage signals in real time, and achieve arc protection function for 0.4kV~35kV medium and low voltage distribution systems.
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Main Feature
● Power supply: AC/DC220V, AC/DC110V, DC48V ,DC24
● Voltage range: 0.1 ~ 120V
● Rated current: AC 5A/1A
● Rated frequency: 50Hz or 60Hz
● Digital Input / Digital Output
Parameters
| Model / Function |
ARB4-A1 |
ARB4-A2 |
ARB4-A3 |
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Hardware
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Arc sensor signal acquisition |
1 |
2 |
3 |
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Current signal aquisition |
1 set of 3-phase currents, total of 4 current channels |
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Voltage signal acquisition |
3 zero sequence voltages, a total of 3 voltage channels |
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Digital Input |
8 |
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Digital Output |
5 normally open relay outputs |
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485 interface |
1 |
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Function |
Arc protection |
Arc criterion |
√ |
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Arc&Current criterion |
√ | ||||
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Arc&Zero-sequence Voltage criterion |
√ |
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Arc monitoring and fault location |
√ |
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Real time self inspection of arc sensors and fiber optic links |
√ |
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failure protection |
√ |
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CT disconnection monitoring |
√ |
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non-electricity protection |
√ |
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Device abnormal alarm |
√ |
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Maintenance status lock |
√ |
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Fault recording |
√ |
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Protocol |
Modbus |
√ |
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IEC101 |
√ |
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IEC103 |
√ |
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IRIG-B |
√ |
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Dimension
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Arc Flash
Network
Installation
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Conduct centralized monitoring and management.
Inquiry
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