VAL-SEC-T2-3S-350 - Type 2 surge arrester

2905345

Plug-in surge arrester, in accordance with Type 2/Class II, for 3-phase power supply networks with separate N and PE (5-conductor system: L1, L2, L3, N, PE).

Product type Surge arrester
Product family SEC Family
IEC test classification II
T2
EN type T2
IEC power supply system TN-S
TT
Type DIN rail module, two-section, divisible
Number of positions 4
Surge protection fault message optical
Insulation characteristics
Overvoltage category III
Pollution degree 2

Nominal frequency fN 50 Hz (60 Hz)

Connection method Screw connection
Screw thread M5
Tightening torque 4.5 Nm
Stripping length 16 mm
Conductor cross section flexible 2.5 mm² ... 16 mm²
Conductor cross section rigid 2.5 mm² ... 25 mm²
Conductor cross section AWG 12 ... 4
Connection method Fork-type cable lug
Conductor cross section flexible 1.5 mm² ... 6 mm²

Dimensional drawing
Width 49.2 mm
Height 89.9 mm
Depth 74.5 mm (incl. DIN rail 7.5 mm)
Horizontal pitch 2.7 Div.

Color (Male connector) light grey (RAL 7035)
Color (Base element) gray (RAL 7042)
Flammability rating according to UL 94 V-0
CTI value of material 600
Insulating material PA6.6-FR 20% GF
PBT-FR
Material group I
Housing material PA 6.6-FR 20 % GF
PBT-FR

Mode of protection L-N
L-PE
N-PE
Direction of action 3L-N & N-PE
Nominal voltage UN 240/415 V AC (TN-S)
240/415 V AC (TT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous operating voltage UC (L-N) 350 V AC
Maximum continuous operating voltage UC (L-PE) 350 V AC
Maximum continuous operating voltage UC (N-PE) 264 V AC
Rated load current IL 40 A (Biconnect M4 fork-type cable lug 6​ mm²)
63 A (TWIN ferrule 2 x 10 mm²)
Residual current IPE ≤ 1 µA
Nominal discharge current In (8/20) µs 20 kA
Maximum discharge current Imax (8/20) µs 40 kA
Follow current interrupt rating Ifi (N-PE) 100 A (264 V AC)
Short-circuit current rating ISCCR 25 kA (for a backup fuse of up to 315 A gG)
50 kA (for a backup fuse of up to 200 A gG)
Voltage protection level Up (L-N) ≤ 1.5 kV
Voltage protection level Up (L-PE) ≤ 1.9 kV
Voltage protection level Up (N-PE) ≤ 1.5 kV
Residual voltage Ures (L-N) ≤ 1.5 kV (at In)
≤ 1.3 kV (at 10 kA)
≤ 1.2 kV (at 5 kA)
≤ 1.1 kV (at 4 kA)
≤ 1 kV (at 2 kA)
Residual voltage Ures (L-PE) ≤ 1.9 kV (at In)
≤ 1.5 kV (at 10 kA)
≤ 1.4 kV (at 5 kA)
≤ 1.3 kV (at 4 kA)
≤ 1.2 kV (at 2 kA)
Residual voltage Ures (N-PE) ≤ 0.5 kV (at In)