AC Surge Protective Device
Protect your electrical and electronic equipment from sudden voltage surges with this AC Surge Protective Device (SPD), designed to help safeguard electrical installations against transient overvoltage caused by lightning-induced surges, switching operations, and disturbances on the power network.
AC Surge Protective Device (SPD) – 385V
20kA / 40kA • DIN-Rail Mounted • AC Electrical Protection
Protect your electrical installation from sudden voltage surges with this AC Surge Protective Device (SPD). Designed to help safeguard electrical systems and connected equipment from transient overvoltage caused by lightning-induced surges, switching operations, and disturbances on the power network.
Its compact DIN-rail design makes it suitable for installation inside distribution boards, inverter systems, solar installations, control panels, and other AC electrical systems.
Key Features
- AC Surge Protection: Helps protect connected equipment against transient voltage surges.
- 385V AC Rated Voltage: Designed for compatible AC electrical installations.
- 20kA Nominal Discharge Current: Provides effective surge current handling.
- 40kA Maximum Discharge Current: Offers enhanced protection against high-energy surges.
- ≤1.8kV Protection Level: Helps limit excessive transient voltage reaching connected equipment.
- DIN-Rail Mounting: Easy installation inside electrical distribution boards.
- L/N Terminals: Designed for line and neutral connections.
- Visual Status Indicators: Allows quick inspection of the protection module condition.
- Compact Design: Saves valuable space inside electrical panels.
Ideal Applications
- Residential electrical installations
- Offices and commercial buildings
- Solar power systems
- Inverter systems
- Electrical distribution boards
- Shops and warehouses
- Industrial control panels
- Protection of sensitive electrical and electronic equipment
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | AC Surge Protective Device (SPD) |
| Model | ST-385V |
| Rated Voltage (Uc) | 385V AC |
| Nominal Discharge Current (In) | 20kA |
| Maximum Discharge Current (Imax) | 40kA |
| Voltage Protection Level (Up) | ≤1.8kV |
| Installation | DIN Rail |
| Connection | L/N |
| Application | AC Electrical Systems |
Protect Your Electrical System
Electrical surges can damage expensive equipment such as inverters, solar systems, appliances, control equipment, and electronics. Installing an appropriate SPD provides an additional layer of protection by diverting transient surge energy away from protected circuits.
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