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ABB OVR T2 4L 40-440 P TS QS Surge Protective Device

SKU : 2CTB803873R5300
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Product Highlights
  • Type of Low Voltage Distribution System : TN-S, IT
  • Suitable For : To protect the systems against the transient overvoltage (lightning)
  • Nominal AC Voltage of the System (Uo) : 400 / 690 V
  • Maximum Continuous Operating Voltage (Uc) : (L-PE) 440 V
  • Temporary Overvoltage Test Value (UT) : 581 V
  • Rated Service Short-Circuit Breaking Capacity (Ics) : 100 kA
  • Discharge Current : Nominal (8 / 20 µs) 20 kA, I (max, 8 / 20 µs) 40 kA
  • Impulse Current : I (imp, 10 / 350 µs) 2 kA
  • Short Circuit Withstand Icc : 100 kA
  • Number of Poles : 4P
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About the Product

The OVR T2 4L 40-440 P TS QS Surge Protective Device is designed to provide robust Type 2 surge protection for low-voltage electrical installations. Engineered for 4-line systems, it delivers reliable protection against transient overvoltages caused by lightning strikes, switching operations, and grid disturbances. With a high surge-handling capacity of 40 kA and a 440V rating, this SPD ensures optimal safety for industrial, commercial, and critical infrastructure applications.

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