VAL-MS 230 - Type 2 surge arrester

2839127

Surge voltage arrester consisting of base element and ground connector with high-capacity varistor, for mounting on NS 35/7.5, nominal voltage: 230 V AC, 1-channel.

Product type Surge arrester
Product family VALVETRAB MS
IEC test classification II
T2
EN type T2
IEC power supply system TN
TT
Type DIN rail module, two-section, divisible
Number of positions 1
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 3 Nm (1.5 mm² ... 16 mm²)
4.5 Nm (25 mm² ... 35 mm²)
Stripping length 16 mm
Conductor cross section flexible 1.5 mm² ... 25 mm²
Conductor cross section rigid 1.5 mm² ... 35 mm²
Conductor cross section AWG 15 ... 2
Connection method Fork-type cable lug
Conductor cross section flexible 1.5 mm² ... 16 mm²

Dimensional drawing
Width 17.6 mm
Height 89.8 mm
Depth 65.7 mm (incl. DIN rail 7.5 mm)
Horizontal pitch 1 Div.

Color black (RAL 9005)
Copper
Flammability rating according to UL 94 V-0
CTI value of material 600
Insulating material PA 6.6/PBT
Material group I
Housing material PA 6.6
PBT

Mode of protection L-N
L-PEN
Direction of action 1L-N/PE
Nominal voltage UN 240/415 V AC (TN)
240/415 V AC (TT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 275 V AC
Rated load current IL 80 A
Residual current IPE ≤ 0.45 mA
Standby power consumption PC ≤ 120.00 mVA
Nominal discharge current In (8/20) µs 20 kA
Maximum discharge current Imax (8/20) µs 40 kA
Short-circuit current rating ISCCR 25 kA
Voltage protection level Up ≤ 1.35 kV
Residual voltage Ures ≤ 1.35 kV (at In)
≤ 1.1 kV (at 10 kA)
≤ 1 kV (at 5 kA)
≤ 0.9 kV (at 3 kA)
TOV behavior at UT 335 V AC (5 s / withstand mode)
440 V AC (120 min / safe failure mode)
Response time tA ≤ 25 ns
Max. backup fuse with V-type through wiring 80 A (gG)
Max. backup fuse with branch wiring 125 A (gG)

Ambient conditions
Degree of protection IP20 (only when all terminal points are used)
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Altitude ≤ 2000 m (amsl)
Permissible humidity (operation) 5 % ... 95 %
Shock (operation) 25g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z)
Vibration (operation) 5g (10 ... 500 Hz / 2.5 h / X, Y, Z)

UL specifications
Maximum continuous operating voltage MCOV (L-N) 275 V AC
Nominal discharge current In (L-N) 20 kA
Mode of protection L-N
Nominal voltage 230 V AC
Power distribution system Single phase
Nominal frequency 50/60 Hz
Measured limiting voltage MLV (L-N) 1900 V
SPD Type 4CA