Electrical Surge Arrest -ISG 10 S
The Electrical Surge Arrest ISG 10 S (690001) enables indirect connection and grounding of functional insulation components when lightning strikes occur. The device fulfills the requirements of IEC 62305 which enables safe grounding and equipotential bonds for areas at risk during lightning conditions. Apart from earthing systems, the device plays a crucial role in creating equipotential bonding connections during lightning situations.
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Type
ISG 10 S
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Art.-No.
690001
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For lightning Equipotential Bonding
100kA (10/350μs),
100kA (8/20μs)
100kA (8/20μs)
IP67 Protection
Explosion-proof Certification Obtained
Extremely Loadable Unit
The Electrical Surge Arrest functions as a dependable equipment which guards electrical systems from lightning strikes and electrical power surges. The device safeguards devices by managing spikes to protected levels which maintains both safety and operational life duration.
Electrical Surge Arrest
The Electrical Surge Arrest constitutes a dependable device that defends electrical systems along with equipment from dangerous power overvoltage triggered by lightning or power surges. The device protects connected devices by managing excessive voltage spikes at a protective level.
Key Features
- Robust Surge Protection: The device detects voltage surges instantly to shield valuable devices from any damage.
- Wide Voltage Range: Suitable for low, medium, and high-voltage systems across various applications.
- High Durability: The device stands as an all-weather solution because it incorporates materials that resist weather elements for both inside and outside use.
- Compact Design: The devices mount in existing systems with a simple installation process that does not need substantial space allocation.
- Maintenance-Free Operation: Long-lasting components ensure minimal upkeep.

Technical Specifications
- Voltage Range: 110V ~ 800kV
- Response Time: ≤ 1 nanosecond
- Surge Current Capacity: Up to 100 kA (8/20 µs waveform)
- Operating Temperature: -40°C ~ +85°C
- Installation: DIN rail or screw-mounted

Applications
- Industrial facilities
- Power grids and substations
- Residential buildings
- Renewable energy systems
- Telecommunications towers

Technical Data
Type | ISG 10 S | ISG 10 S(50kA) |
Art.-No. | 690001 | 690000 |
According to EN 62561-3 / IEC 62561-3 | Yes | |
Application | Earthing Devices for Lightning Equipotential Bonding | |
Rated DC withstand voltage[Uc] | 350V | 350V |
Rated impulse spark over voltage[Urimp] | 1000V | 1000V |
Lighting impulse current (10/350µs) | 100kA | 50kA |
Nominal discharge current (8/20µs) [In] | 100kA | 50kA |
Max. discharge current (8/20µs) [Imax] | 200kA | 100kA |
100% lightning impulse sparkover voltage[Uas] |
≤ 1.5kV | ≤ 1.5kV |
Power frequency sparkover voltage(50Hz)[Uaw] | ≤ 400V | ≤ 400V |
Operating temperature range [Tu] | -20°C…+60°C | |
Relative humidity | ≤ 95%(25°C) | |
Capacitance at 1MHz [C] | ≤ 400V | |
Ex certification, according to EN 60079-0 and EN 60079-1:Gas | Ex db IIC T6 Gb | |
Ex certification, according to EN 60079-0 and EN 60079-31: Dust | Ex tb IIIC T80 °C Db IP 66/67 | |
Insulation resistance at 100V [R] | ≤ 10pF | |
Length of enclosure | 123mm | |
Diameter of enclosure | 40mm | |
Enclosure material | Orange thermoplastic, UL 94-V0 | |
Connection via / Connection | M8 theraded screws / Rd 10 mm | |
Connection material | Steel / Cu | |
Protection level | IP67 | |
Certification | CE (LVD, EMC); RoHS;REACH;ISO 9001:2015;CNAS | |
Warranty | 3 Years |
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