Surge-Protection-Device-(SPD)

Surge Protection Device (SPD) is an essential protective component used in electrical installations to safeguard equipment from transient overvoltage caused by lightning strikes, switching operations, or power disturbances. It is typically installed in electrical distribution boards or main power panels.

The SPD works by detecting sudden voltage spikes and immediately diverting the excess electrical energy to the earthing system, preventing the surge from damaging sensitive electrical and electronic equipment such as computers, communication systems, industrial machinery, and control panels.

This device is commonly used in commercial buildings, industrial plants, data centers, telecommunication systems, and residential electrical installations as part of a comprehensive lightning and electrical protection system.

The SPD is designed for quick response, high surge capacity, and reliable long-term operation, ensuring continuous protection for electrical systems.

Specifications

• Device Type: Surge Protection Device (SPD)

• Number of Poles: 3P + N (Three Phase + Neutral)

• Rated Voltage (Un): 230/400 V AC

• Maximum Continuous Operating Voltage (Uc): Up to 385 V AC

• Nominal Discharge Current (In): 20 kA

• Maximum Discharge Current (Imax): Up to 40 kA

• Response Time: ≤ 25 ns

• Protection Level (Up): ≤ 1.5 kV

• Mounting Type: DIN Rail Mounting

• Protection Class: Type 2 SPD

• Housing Material: Flame-retardant thermoplastic

• Operating Temperature: -40°C to +80°C

• Application: Electrical distribution panels for lightning and surge protection.