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Lightning & Surge Protection

NOVARIS NOVARIS DINSAFE SURGE DIVERTER, 50KA SDD3-50-275

Product Code: SDD3-50-275

The Novaris SDD3-50-275 is a DIN compliant surge diverter suitable for use in distribution boards or as point of entry protection in small industrial and domestic applications. It ensures maximum protection by covering all combinations of lines and features thermal sensing to warn of overvoltage conditions without disconnecting the protection. The device is housed in a safe, all-metal enclosure to prevent fire hazards during prolonged overvoltages.

Technical Specifications

Brand NOVARIS
Connection Type Shunt
Degree of Protection IP20
Dimensions (mm) 54W x 70H x 95L
Lightning Impulse Current (10/350 µs) - Iimp (kA) 6.25 (L-N)
Maximum Continuous Operating Voltage MCOV AC (V) 275 (L-N), 255 (N-PE)
Maximum Discharge Current (8/20µs) - Imax (kA) 50 (L-N), 25 (N-PE)
Mounting Type DIN rail
No. of Phases 3
No. of Poles 3P+N+PE
Nominal Discharge Current (8/20µs) - In (kA) 20 (L-N), 10 (N-PE)
Nominal Voltage AC (V) 230
Operational Temperature Range (°C) -40 to 70
Series SDD3
Standards and Approvals IEC 61643-11, AS/NZS 1768, UL 1449, IEEE 62.41.2
Voltage Protection Level (3kA 8/20µs) - Up (kV) <0.8 (L-N), <1.2 (N-PE)
Voltage Protection Level - Up (kV) 1.25 (L-N)
Weight (g) 390

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