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Voltage: 230, 400 V
Primary current: 100,000, 20,000, 3,000, 12,500, 25,000 A
... The 7P Series consists of Type 1 + 2, Type 1, Type 2 and Type 3 surge arresters. These devices include the following features (according to Type): • Single phase systems or three-phase systems • Replaceable varistor ...
Voltage: 24, 14 V
Our ESD devices offer many advantages over traditional protection devices, such as multi-layer varistors (MLVs), which may degrade or distort the signal in high data rate circuits. Compared to miniature gas discharge tubes (GDTs), ESD devices provide ...
Littelfuse
Voltage: 58, 41 V
Primary current: 1 A
... Coarse and fine protection All lines protected Maintenance free Conform to Category 6 in channel E (ISO/IEC 11801; EN 50173-1) Supports Power over Ethernet (PoE) IEEE 802.3at Shield and ground separated Specifications Product configuration Main ...
HUBER+SUHNER
Voltage: 2, 6 kV
Primary current: 26 A
... caused by lightning strikes, electrostatic discharges or power grid switching operations, and are extremely hazardous. Such surges can cause electrical systems to fail, destroy electrical and electronic equipment, or even set entire buildings ...
Siemens Low-voltage – Power distribution
Voltage: 72.5 kV - 550 kV
Primary current: 20,000 A - 65,000 A
... maintenance-free operation of 3EL surge arresters. They are also lightweight, allowing for easy transport and a variety of installation options. 3EL surge arresters are suitable for use ...
Siemens Energy – Power transmission
Voltage: 18 kV - 550 kV
Primary current: 10,000, 20,000 A
... A flexible silicone-housed arrester family for line discharge class 2 to 5 and system voltage up to 550 kV PEXLIM is a family of silicone-housed arresters of Hitachi Energy that offer unique advantages by design to offer ...
Hitachi Energy
Voltage: 6 kV - 500 kV
... Distribution type arrester -Condenser arrester -Motor type arrester -Substation type arrester -Transmission line arrester -Electrified railway arrester -Transformer ...
Voltage: 255, 150, 320 V
Primary current: 35,000, 50,000, 25,000 A
... High discharge capacity due to powerful creepage discharge spark gap Maximum system availability due to RADAX Flow follow current limitation With module release button for replacing protection modules without tools Operating state / fault indication ...
DEHN + SÖHNE
Primary current: 20,000, 25,000, 40,000, 50,000, 12,500 A
... most robust series of single pole Type 1/Class I lightning current arresters, able to discharge energy (current) from a direct lightning strike (10/350µs) on an external lightning protection system (LPS) ...
Mersen - Electrical Power
... Arc Suppressor Decrease maintenance costs, increase contact reliability/dependability, and reduce destructive dc circuit overvoltages by applying the self-powered SEL-9501 Arc Suppressor to dc circuits. ...
Schweitzer Engineering Laboratories
Voltage: 3 kV - 36 kV
... CG Porcelain housed (ZYPD) distribution surge arresters are used on distribution systems to protect transformers and other medium voltage power equipment from lightning and switching surge generated over ...
CG Power Systems
Voltage: 500 V - 750 V
... The Mersen lightning arrester enclosures are designed to protect railway networks against disturbances incurred by lightning, in the feeding lines in the substations along the railtrack (pole enclosure) as well as in ...
... exchange of process data are playing an increasing role. The new surge protection devices of the type VPU IoT AC combine the functions of a powerful surge protection with those of an intelligent IoT device. This enables ...
Weidmüller
Voltage: 230 V
Primary current: 50,000 A
Surge protection devices for voltage and signal interference protect electrical and electronic systems against high-power overvoltage caused, for example, by lightning strikes. Versions designed specifically for photovoltaic applications, ...
... Gas Discharge Tube (GDT) Surge Arrestors operate as a voltage dependent switch. When a voltage appears across the device that is greater than its rated DC breakdown voltage the gas in the GDT will begin to ionize and conduct until is ...
BOURNS
Voltage: 280 V
Primary current: 50,000 A
... Combination arrestor set, lightning and surge arrestor Type 1+2 to DIN EN 61643-11 (B+C to VDE 0675 part 6). • For lightning protection equipotential bonding to VDE 0185-305 (IEC 62305) • Lightning ...
OBO Bettermann
Voltage: 275 V
Primary current: 25,000 A
... Type 1 + 2+3 AC surge protector VG Technology Iimp: 25 kA on 10/350µs impulse In: 25 kA Optimized to TOV No leakage current Monobloc Remote signaling EN 61643-11, IEC 61643-11 Certified Type 1+2+3 DACN1-25CVGS ...
CITEL
Voltage: 120 V - 690 V
Primary current: 0 A - 50,000 A
... li>Type 2 AC multipolar surge protector
The pluggable surge ...
CITEL
Voltage: 1,000 V - 1,200 V
Primary current: 15,000 A - 60,000 A
Open circuit voltage: 6 kV - 6 kV
... Overview
The DPVN1 series by CITEL is a range of Type 1+2+3
surge protective devices specifically designed for photovoltaic installations. Based on CITEL's patented CTC technology, the DPVN1 integrates a thermosensitive separation ...
CITEL
Made from light-weight dip-galvanized tubing, in lengths of 3m or 6m bolted together.
Indelec
Voltage: 440 V
Primary current: 12,500 A
... The Surge Protective Device (or SPD: generic name for any device that protects against voltage surges) is a recognized and effective solution to the overvoltage problem for any of power or telecom, data, or signal networks. ...
Indelec
Voltage: 0 kV - 1.3 kV
Primary current: 0 A - 25,000 A
... The Surge Protective Device (or SPD: generic name for any device that protects against voltage surges) is a recognized and effective solution to the overvoltage problem for any of power or telecom, data, or signal networks. ...
Indelec
Voltage: 24 V
Primary current: 600 mA
... SIL 3 Surge Protective Device for Signal System Model D9520SD9520S provides two-stage surge protection for floating I/O three-wire signals of measurement and control and safety systems. With a width of 6mm, it can be ...
GM International S.p.A.
Voltage: 24 V
Primary current: 600 mA
... SIL 3 Surge Protective Device for Signal System Model D9510SD9510S provides two-stage surge protection for floating I/O two-wire signals of measurement and control and safety systems. With a width of 6mm, it can be easily ...
GM International S.p.A.
Voltage: 24 V
Primary current: 600 mA
... SIL 3 Surge Protective Device for Signal System Model D9420SD9420S provides two-stage surge protection for floating I/O three wires signals of measurement and control and safety systems. With a width of 6mm, it can be ...
GM International S.p.A.
Voltage: 250 V - 1,000 V
Primary current: 20,000 A - 40,000 A
... • Compact equipment for photovoltaic installations. • High discharge capacity via zinc oxide varistors and gas dischargers. • With thermal separation device. • Visual indication of a fault in the equipment. • Remote signalling of protection status. • ...
Voltage: 600 V
Primary current: 15,000 A - 30,000 A
... Compact equipment for wind power installations. High discharge capacity via zinc oxide varistors and gas dischargers. With thermal separation device. Visual indication of a fault in the equipment. Remote signalling of protection ...
Voltage: 0 V - 275 V
Primary current: 7,000, 20,000 A
... Surge Ratings: |, = up to 20 kA (8/20us) lim 7 UP to 12.5 kA (10/350 s) Compliance: IEC 61643-11:2011 | EN61643-11:2012 Network Systems: TN-S, TN-C, TT (only L-N) Mode of Protection: L-PE, N-PE (only TN-S), L-PEN, L-N Location ...
NORDEL
Voltage: 0 V - 275 V
Primary current: 7,000, 20,000 A
... Surge Ratings: |, = up to 20 kA (8/20us) lim 7 UP to 12.5 kA (10/350 s) Compliance: IEC 61643-11:2011 | EN61643-11:2012 Network Systems: TN-S, TN-C, TT (only L-N) Mode of Protection: L-PE, N-PE (only TN-S), L-PEN, L-N Location ...
NORDEL
Voltage: 0 V - 275 V
Primary current: 7,000, 20,000 A
... Surge Ratings: lm 7 KA(10/350 us) | 1,5 20 kA (8/20 Hs) Compliance: IEC 61643-11:2011 | EN61643-11:2012 Network Systems: TN-S, TN-C, TT (only L-N) Mode of Protection: L-PE, N-PE (only TN-S), L-PEN, L-N Location of Use: Main Distribution ...
NORDEL
Voltage: 12 V - 362,000 V
Primary current: 600 A - 3,000 A
... Classifications: Station (SH-20kA, SM-10kA, SL-10kA) & Distribution (DH-10kA, DM-5kA, DL-2.5kA) • Accessories and monitoring: Surge counter, leakage current meter ...
Voltage: 12 V - 362,000 V
... rubber enhance the chemical and physical resistance, UV resistance, and lower flammability • Accessories and monitoring: Surge counter, leakage current meter ...
Voltage: 1,000, 600, 200 V
Primary current: 20,000, 900, 2,400, 1,600, 3,200 A
DIGITAL ELECTRIC
Voltage: 230 V
Primary current: 20 A
DIGITAL ELECTRIC
Voltage: 230 V
Primary current: 20 A
DIGITAL ELECTRIC
Voltage: 650 V
Primary current: 10 A
... synchronization. The 4496 product series surge protectors are designed to protect hopf GNSS applications supporting the Global Navigation Satellite Systems (GNSS) GPS, Galileo, GLONASS, BeiDou and IRNSS/NavIC against ...
Voltage: 220 V
Primary current: 25,000, 50,000 A
... Lightning and surge arrester for single phase lines (F + N) 220 V. Combined type 1 and 2 (Class B + C) protector, suitable for protection of low voltage lines against lightning strikes and surges of up ...
INGESCO
Voltage: 380 V
Primary current: 25,000, 100,000 A
... Lightning and surge arrester for three phase lines (3F+N) 380 V. Combined type 1 and 2 (Class B + C) protector, suitable for protection of low voltage lines against lightning strikes and transitory surges ...
INGESCO
Voltage: 230 V
Primary current: 12,500, 25,000 A
... Lightning and surge arrester for single phase lines (F+N) 230 V. Combined type 1 and 2 (Class B + C) protector, suitable for protection of low voltage lines against lightning strikes and surges of ...
INGESCO
A surge arrester protects electrical circuits from excess voltage induced by lightning or switching surges. It behaves like an open circuit during normal operation and like a short circuit when lightning strikes. Generally, it is connected between each conductor and the ground contact downstream of the primary circuit breaker.
ApplicationsThese devices are used in industry to protect electrical installations against voltage overload in electrical lines. Different models are designed to protect power circuits, photovoltaic installations, telephone circuits, computer buses or coaxial lines.
TechnologiesType 1 arresters protect line heads on exposed sites. They include a spark-gap, usually a gas model, and are designed for use with a lightning rod.
Type 2 units offer secondary protection of electrical grids using TT and TN-S grounding. They use varistors or transient voltage suppressor diodes. Detachable type 2 units permit maintenance of the circuit without interrupting service.
Type 3 arresters use primarily varistors for final protection in conjunction with the first two types.
Some arresters are available as DIN rail-mounted modules, as a box, a piggyback plug or an electronic component (spark-gap) for a circuit board.
Choice will depend on the arrester's maximum voltage capacity, discharge capability and level of protection.
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