| Customization: | Available |
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| Type: | Power Source Arrester |
| Structure: | Zinc Oxide Arrester |
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SPD Surge Protective Devices are expertly engineered to shield your valuable equipment from transient surge conditions. These devices provide a robust defense against significant single surge events, such as lightning strikes, which can unleash hundreds of thousands of volts, leading to swift or sporadic equipment failures. However, such occurrences contribute to only 20% of all transient surges. The majority, an overwhelming 80%, are internally generated. Though these internal surges might possess a lesser magnitude, their frequency and persistent exposure are capable of deteriorating sensitive electronics housed within your premises.
A power surge constitutes a short-lived overvoltage occurrence that jeopardizes electrical devices, serving as a prevalent catalyst for equipment failure. Such surges can inflict damage and diminish the operational lifespan of:
NEW 2020 National Electrical Code Requirements
It is now mandated that all new and renovated homes are fortified with Listed and Approved Type 1 or Type 2 Surge Protective Devices to ensure maximum safety.
Type 1:
This is a permanently connected Surge Protective Device crafted to guard against both external and internal surges. It offers versatile installation options, suitable for placement inside or outside the home.
Type 2:
Featuring a permanent connection, the Type 2 Surge Protective Device is installed in or adjacent to the breaker box, delivering protection from both internal and external surges.
Type 3:
For extra protection, employ a point-of-use Type 3 Surge Protective Device, which must be used alongside a Type 1 or Type 2 SPD to comply with the 2020 code stipulations.
To achieve the utmost level of protection, implement a combination of Type 1, 2, and 3 SPDs.
| 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 | |
Expert Guidelines for Selecting the Ideal SPD:
When it comes to safeguarding your power distribution system, the key characteristics that define an effective lightning protection strategy, and guide the selection of the optimal SPD for your building's electrical installation, are as follows:
Other Essential Characteristics for Selecting an SPD are Predefined for Any Electrical Installation.
In-Depth Exploration of This Sub-Section Designing the Optimal Electrical Installation Protection System This section meticulously details the criteria for selecting the most effective protection system, tailored to the specific characteristics of your installation, the equipment needing protection, and the surrounding environment.
Strategic Location and Varieties of SPD:
Efficient Connection of SPD for Optimal Functionality:
To maximize protection, ensure that SPD connections to loads are as short as possible, minimizing the voltage protection level (installed Up) at the protected equipment terminals.
The total SPD connection length to both the network and the earth terminal should remain under 50 cm to ensure system efficiency.
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