Surge arrester V20-3+FS-275, T2, Uc 275VAC, discharge current (8/20μs)| Imax 40kA ^In 20kA, remote signaling, 2.5..25mm², TN-C

Technical data

General information

Type: Type 2 AC surge protective device (SPD)

Technology: varistor-based voltage limiting (low residual voltage design)

Design: plug-in module, built-in thermal disconnect device

Visual indicator: green/red (working or fault status)

Remote signal output: yes (optional)

Compliance standards: IEC 61643-11, EN 61643-11, GB/T 18802.11

Electrical data

Operating voltage (Un): 230 VAC

Maximum continuous operating voltage (Uc): 275 VAC

Temporary overvoltage withstand (5 s): 335 VAC

Temporary overvoltage withstand (120 min): 440 VAC

Rated discharge current (In, 8/20 µs): 20 kA

Maximum discharge current (Imax, 8/20 µs): 40 kA

Voltage protection level (Up): ≤ 1.5 kV

Short-circuit current withstand (Isccr): 25 kA

Response time: ≤ 25 ns

Thermal separation device: available (built-in)

Max. backup protection (circuit breaker or fuse): 63 A gG

Mechanical data

Wire connection: screw terminal 2.5–25 mm² (busbar connection possible)

Remote signal contact: max. 0.5 A / 250 VAC or 3 A / 30 VDC

Max cross-section of remote signal wire: 1.5 mm²

Mounting: 35 mm DIN rail

Protection level: IP20

Housing material: thermoplastic (UL94-V0)

Environmental data

Operating temperature: –40 … +85 °C