| Customization: | Available |
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| Type: | Power Source Arrester |
| Structure: | Zinc Oxide Arrester |
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SPD Surge Protective Devices are meticulously engineered to shield your valuable assets against unpredictable transient surge conditions. With the capability to handle large, single surge events like lightning that can unleash hundreds of thousands of volts, these devices are indispensable for preventing both sudden and intermittent equipment malfunctions. Remarkably, only 20% of these transient surges stem from natural lightning and utility power anomalies, while a staggering 80% are generated internally. Although these internal surges may be subtler, their frequent occurrence poses a significant threat to sensitive electronic equipment, progressively degrading its functionality over time.
A power surge, an abrupt overvoltage occurrence, holds the potential to inflict critical damage to electrical devices, often serving as a primary culprit in the failure of electrical equipment. These surges can inflict damage and diminish the longevity of various essential systems, including:
NEW 2020 National Electrical Code Requirements
In accordance with the NEW 2020 National Electrical Code, it is now mandatory for all new and renovated residential constructions to be equipped with Listed and Approved Type 1 or Type 2 Surge Protective Devices, ensuring heightened safety and compliance.
Type 1:
A Type 1 Surge Protective Device is a permanently connected guardian, offering robust defense against both external and internal surges. These versatile devices can be strategically installed either inside or outside the home to provide comprehensive protection.
Type 2:
Designed for seamless integration, the Type 2 Surge Protective Device is installed in, or adjacent to, the breaker box. It stands as a reliable barrier against both internal and external surges, safeguarding your electrical systems effectively.
Type 3:
For an added layer of security, the Type 3 Point-of-use Surge Protective Device provides extra protection. This device must be used alongside Type 1 or Type 2 SPDs to fully comply with 2020 code requirements, ensuring maximum safety.
For the most comprehensive protection, it is highly recommended to utilize a combination of Type 1, 2, and 3 SPDs. This trio of devices offers a robust shield against surges, ensuring your home and its electrical systems remain safeguarded against potential threats.
| SPD according to EN 61643-11/IEC61643-11 | Type 2/Class II | |
| Energy coordination with terminal equipment (≤10m) | Type 2+ Type 3 | |
| Nominal voltage (AC) (Un) | 230V (50/60Hz) | |
| MOV (Varistors) | GDT (Spark gap) | |
| Max. continuous operating voltage (AC) (Uc) | 275V (50/60Hz) | 255V (50/60Hz) |
| Nominal discharge current (8/20s) (In) | 20KA | 20KA |
| Max. discharge current (8/20s) (Imax) | 40KA | 40KA |
| Voltage protection level (L-PE)/(N-PE) (Up) | 1.5KV | 1.3KV |
| Response time (tA) | ≤25nS | |
| Max. mains-side overcurrent protection | 125AgG | |
| Short-circuit withstand capability for max. mains-side | 50KA | |
| Overcurrent protection (ISccR) | ||
| Temporary overvoltage (TOV)(UT)-- Characteristic | 335V/5 Sec-- withstand | |
| Temporary overvoltage (TOV)(UT)-- Characteristic | 440V/120min- safe failure | |
| Operating temperature | -40C ~ +80C | |
| Operating state /Fault indication | Green/Red | |
| Number of ports | 1 | |
| Cross-section area (min) | 1.5mm² solid/Flexible | |
| Cross-section area (max) | 35mm² stranded /25 mm² flexible | |
| Mounting | 35mm DIN rails according to EN 60715 | |
| Enclosure materials | Thermoplastic , UL94 V0 | |
| Place of installation | Indoor installation | |
| IP level | IP20 | |
| Approvals | TUV | |
| Weight | 232.5g | |
Selection of SPD:
For a power distribution system, the key parameters that guide the design of the lightning protection system and inform the choice of an SPD to safeguard an electrical installation in a building are:
The additional characteristics necessary for selecting a suitable SPD are pre-established for an electrical installation.
This sub-section Design of the electrical installation protection system delves into the detailed criteria for choosing the protection system based on the installation's characteristics, the equipment needing protection, and the surrounding environment.
Location and types of SPD:
Connection of SPD:
To minimize the voltage protection level (installed Up) at the terminals of the safeguarded equipment, SPD connections to the loads should be kept as short as possible.
The combined length of SPD connections to both the network and the earth terminal block must not exceed 50 cm.
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