The TOMZN 4P 385V AC SPD is a four-pole surge protection device designed to safeguard three-phase electrical systems against lightning strikes and transient overvoltages. Rated for 20kA nominal and 40kA maximum discharge currents, it offers fast response, visual fault indication, and easy DIN rail mounting for reliable protection in residential, commercial, and industrial installations.
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The TOMZN 4P 385V AC SPD 20kA/40kA is a robust Type 2 surge protection device designed to safeguard three-phase electrical systems from overvoltage and transient surges. With a maximum discharge current of 40kA and a nominal discharge current of 20kA, it ensures reliable protection for residential, commercial, and industrial applications. Compliant with IEC/EN 61643-1 standards, this SPD is suitable for 230/400V AC systems operating at 50/60Hz. Its compact design allows for easy DIN rail mounting, making it an essential component for modern electrical installations.
| Specification | Details |
|---|---|
| Model | TZG40-C-4P |
| Rated Voltage | 230/400V AC |
| Frequency | 50/60Hz |
| Poles | 4P (Four-Pole) |
| Maximum Discharge Current | 40kA (8/20μs) |
| Nominal Discharge Current | 20kA (8/20μs) |
| Standard Compliance | IEC/EN 61643-1 |
| Mounting | 35mm DIN rail |
| Dimensions | 9 × 8 × 7 cm |
| Weight | 0.450 kg |
Superior Surge Protection:
Safeguards electrical systems from lightning strikes, switching surges, and transient overvoltages.
High Discharge Capacity:
Withstands powerful surges up to 40kA, ensuring reliable protection even under severe conditions.
Full Three-Phase Protection:
The 4-pole design covers all phases and neutral, offering complete system safety.
Quick Response Time:
Extremely fast operation minimizes the risk of damage to sensitive electronic equipment.
DIN Rail Mounting:
Compact design allows for easy, standardized installation into distribution boards.
Visual Fault Indication:
Built-in indicators show the operational status, enabling easy monitoring and timely maintenance.
Compliance with International Standards:
Certified according to IEC/EN 61643-1 for assured quality and performance.
Versatile Applications:
Suitable for residential, commercial, industrial, and solar power systems.
Cost-Effective Protection:
Reduces downtime and expensive repairs caused by electrical surges, protecting investments in infrastructure and equipment.
Residential Buildings: Protects home appliances from voltage fluctuations.
Commercial Establishments: Safeguards office and retail electrical systems.
Industrial Facilities: Prevents damage to machinery and electrical panels.
Solar Power Systems: Ensures the safety of inverters and other components from voltage spikes.
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