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Product details
overview
The YN-500 microcomputer protection device is a digital protection unit with current protection as its basic configuration. It is suitable for small current grounding systems in factories, mines, enterprises, and civil buildings with voltage levels of 10kV and below. It serves as the main and backup protection for various electrical equipment and lines.
FEATURES
●Adopting advanced 32-bit embedded ARM processors.
●LCD screen display, user-friendly human-machine interface, easy and intuitive operation, convenient installation, wiring and debugging.
●Complete software and hardware self-test, with SOE and self-test report for power down maintenance, and automatic alarm for device abnormalities; Equipped with self-protection function, it can effectively prevent permanent damage to the device caused by wiring errors and abnormal operation. The second level watchdog is designed with redundant software and components, and has strong anti-interference performance.
●Fully sealed metal chassis with strong electrical resistance, electromagnetic interference resistance, and mechanical vibration resistance, suitable for on-site installation on switchgear.
Technical Parameter
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rated data |
Power consumption |
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DC power supply: 220V soil 20% or 110V soil 20% |
DC circuit: ≤ 5W |
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AC power supply: 85V to 265V |
AC voltage circuit:< 0.5VA/phase (at rated 220V) |
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AC current: 5A |
AC current circuit:< 0.5VA/phase (rated at 5A) |
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Frequency: 50Hz |
<0.1VA/phase (rated at 1A) |
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work environment |
connectPoint capacity |
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Environmental temperature: (-10 ° C~+55 ° C) to ensure normal operation |
Jumping and closing outlet (normally open contact): 5A, DC 220V (suction) |
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Relative humidity: 5~95% |
Signal outlet (normally open contact): 5A , DC 220V (suction) |
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Atmospheric pressure: 86~ 106KPa |
Switching input with empty contact input, conducting current<10mA |
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Featured Features |
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Display in both Chinese and English, easy to switch between |
measurement accuracy |
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Frequency 45Hz-65Hz Self applicable |
P. Q, COS: Level 2 |
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Programmable input and output |
Electricity integration accuracy: Level 2 |
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Frequency: 0.02Hz |
| thermal stability |
Remote signaling resolution:< 2ms |
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2 times the rated current for continuous operation |
GPS timing accuracy:< 1ms |
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10 times the rated current can run continuously for 10 seconds |
Voltage and current: Level 0.5 |
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40 times the rated current can run continuously for 1 second |
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DCS measurement interface output |
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Output range: 4-20mA |
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Output accuracy: Level 0.5 |
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| workabilityjoin in marriageplace | |
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Current quick breakprotect |
CtrError Act |
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Time limited quick break protection |
Non electric protection: high temperature alarm, over temperature trip, light gas alarm |
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Overcurrent protection |
Heavy gas alarm |
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Overload protection: optional inverse time action characteristic |
8-way remote signaling input |
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Zero sequence overcurrent protection |
Telemetry shows: la、lb、le、10 |
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CT wire breakage detection |
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Anti-interference performance |
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Capable of withstanding the strict level IV electrostatic discharge test specified in GB/T14598.14-1998 (idt IE C255-22-2) standard. |
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Can withstand the radiation electromagnetic field interference test of severity level Ill specified in GB/T14598.9-1995 (idt IEC255-22-3) standard. |
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Capable of withstanding 1M Hz pulse group interference test with severity level Ill. as specified in GB/T14598.13-1998QdtlEC255-22-1) standard. |
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Capable of withstanding the rapid transient interference test of severity level IV specified in GB/T14598.10-1996 (idt IE C255-22-4) standard. |
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Mechanical properties |
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Vibration:The device should be able to withstand the vibration durability test with a severity level of 1 as specified in GB/T11287. The device should be able to withstand the vibration response capability test with a severity level of 1 as specified in GB/T11287. |
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Impact: The device should be able to withstand the impact durability test with a severity level of 1 as specified in GB/T14537. The device should be able to withstand the impact response capability test with a severity level of 1 as specified in GB/T14537. |
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Collision: The device should be able to withstand a collision test with a severity level of 1 as specified in GB/T14537. |
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Moisture and heat resistance performance: Can withstand the damp heat test specified in Chapter 21 of GB7261. |
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Mainly following standards |
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GB/T14598.13-1998 (idt IEC 255-22-1) Electrical interference tests for measuring relays and protective devices |
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Chapter 1: 1MHz Pulse Group Interference Test |
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GB/T14598.14-1998 (idt IEC 255-22-2) Electrical interference tests for measuring relays and protective devices |
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Article 2: Electrostatic Discharge Test |
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GB/T14598.9-2007 (idt IEC 255-22-3) Electrical interference tests for measuring relays and protective devices |
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Article 3: Radiated Electromagnetic Field Interference Test |
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GB/T14598.10-201 O (idt IEC 255-22-4) Electrical interference tests for relays and protective devices |
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Article 4: Fast Transient Interference Test |
| Other indicators meet the requirements of DL478-2008 "General Technical Conditions for Static Relay Protection and Safety Automatic Equipment" |
Wiring diagram
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