The ETITEC C 440/20 is a Type 2 (T2) surge protection device designed for protecting single-phase AC lines or DC systems against transient overvoltages caused by lightning strikes or switching operations. Engineered by ETI, this compact two-pole SPD ensures reliable suppression with discharge currents up to 40 kA (8/20 µs) and a protection level below 2.2 kV.

This unit is suitable for DIN-rail installation and includes L1, N, and PE terminals — ideal for both residential and industrial energy systems.

⚙️ Technical Specifications:

• Model: ETITEC C 440/20
• Type: SPD, Type 2 (Class II)
• Nominal Voltage (Uc): 440 V AC / 580 V DC
• Nominal Discharge Current (In): 20 kA (8/20 µs)
• Maximum Discharge Current (Imax): 40 kA (8/20 µs)
• Voltage Protection Level (Up): < 2.2 kV
• Standards Compliance: IEC 61643-1
• Configuration: 2-pole (L1 + N) + PE
• Mounting: DIN rail

✅ Key Features:

• Designed for single-phase and DC surge protection
• High surge capacity up to 40kA
• Compact 2-pole format for space-efficient installation
• Clear terminal markings: L1, N, and PE
• Trusted performance by European manufacturer ETI

⚡ Reliable and compact — ETITEC C 440/20 is the perfect choice for robust surge protection in solar and power distribution systems.