The ABB O3ES HENF445789R1 is a part of ABB’s HENF series of HESG (High Energy Surge Gap) surge arresters, commonly used for overvoltage protection in medium and high-voltage electrical systems. Below are the typical technical parameters for this type of arrester:
ABB O3ES HENF445789R1 Technical Parameters:
- Rated Voltage (Ur): Likely in the range of 3 kV to 36 kV (exact value depends on the specific model).
- Maximum Continuous Operating Voltage (Uc): Typically 80-90% of Ur.
- Nominal Discharge Current (In): Usually 5 kA or 10 kA (8/20 µs waveform).
- Line Discharge Class: Class 3 (for O3ES designation).
- Pressure Relief Class: High (for HENF series).
- Short-Circuit Withstand: Complies with IEC 60099-4 standards.
- Housing Material: Porcelain or silicone polymer (depending on the variant).
- Sealing Type: Hermetically sealed (for HENF models).
- Application: Used in medium/high-voltage networks, substations, and industrial power systems.
Standards Compliance:
- IEC 60099-4 (Surge arresters)
- ANSI/IEEE C62.11 (for US market variants)
Main Brand:
ABB Allen-Bradley Alstom Bently Emerson Foxboro
GE MOOG Schneider Woodward HIMA Honeywell
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High-Availability Parts Database (Top Demand Models)
1. Distributed Control System (DCS) Critical Components
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├─ Comm Module: 3AUA0000110429 (Redundant Config)
└─ Controller Card: SYSCON2 746924 (v2.3 Firmware)
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- Corporate Identity
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