The ABB OVR T2 40-275s C + 70 N C is a high-performance Type 2 (Class C) SPD, specifically designed to protect three-phase electrical installations (L1, L2, L3, N) against transient overvoltages caused by lightning strikes or switching events. Suitable for residential, commercial, and industrial environments, this combined arrester provides robust surge protection for both phase-to-neutral and neutral-to-earth paths.

Featuring DIN rail mounting and clear status indicators, this SPD is part of ABB’s OVR T2 series and meets the highest safety and performance standards.

⚙️ Technical Specifications:

• Model: OVR T2 40-275s C + 70 N C
• Configuration: 3-phase + neutral (L1, L2, L3, N)
• Nominal Voltage (Uc): 275 V AC
• Nominal Frequency: 50–60 Hz
• Maximum Discharge Current (Imax):
  – 40 kA (L-N)
  – 70 kA (N-PE)
• Nominal Discharge Current (In): 20 kA
• Voltage Protection Level (Up): ≤ 1.4 kV
• Mounting: DIN rail

✅ Key Features:

• Combined protection for L-N and N-PE paths
• Ideal for main distribution boards
• Reliable performance with high surge endurance
• Compact modular design with visual status indication
• Complies with IEC/EN 61643-11 standards

⚡ Engineered by ABB for maximum safety — this SPD is essential for safeguarding sensitive systems in modern power networks.