Official Distributor
SKU
MPN
VAL-MS 350 VF/3+1
Weight
0.391 kg
Series VAL-MS
VAL-MS 350 VF/3+1 - Type 2 surge arrester
Surge voltage arrester 4-channel, for mounting on NS 35/7.5 350 V AC
Technical Specifications
Product properties
Product family | VALVETRAB MS |
IEC test classification | II |
IEC test classification | T2 |
EN type | T2 |
Type | DIN rail module, two-section, divisible |
Number of Positions | 4 |
Surge protection fault message | optical |
Insulation characteristics
Overvoltage category | III |
Pollution degree | 2 |
Electrical properties
Nominal frequency fN | 50 Hz (60 Hz) |
Connection data
Connection Method | Screw connection |
Screw thread | M5 |
Tightening torque | 3 Nm (1.5 mm² ... 16 mm²) |
Tightening torque | 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 |
Dimensions
Width | 71 mm |
Height | 89.8 mm |
Depth | 65.7 mm (incl. DIN rail 7.5 mm) |
Horizontal pitch | 4 Div. |
Material specifications
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 |
Housing Material | PBT |
Protective circuit
Mode of protection | L-N |
Mode of protection | L-PE |
Mode of protection | N-PE |
Direction of action | 3L-N & N-PE |
Nominal voltage UN | 240/415 V AC (TN-S) |
Nominal voltage UN | 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) | 260 V AC |
Rated load current IL | 80 A |
Residual current IPE | ≤ 5 µA |
Standby power consumption PC | ≤ 0.60 mVA |
Nominal discharge current In (8/20) µs (L-N) | 10 kA |
Nominal discharge current In (8/20) µs (L-PE) | 10 kA |
Nominal discharge current In (8/20) µs (N-PE) | 20 kA |
Maximum discharge current Imax (8/20) µs (L-N) | 20 kA |
Maximum discharge current Imax (8/20) µs (L-PE) | 20 kA |
Maximum discharge current Imax (8/20) µs (N-PE) | 40 kA |
Follow current interrupt rating Ifi (N-PE) | 100 A |
Short-circuit current rating ISCCR | 25 kA |
Voltage protection level Up (L-N) | ≤ 1.5 kV |
Voltage protection level Up (L-PE) | ≤ 2 kV |
Voltage protection level Up (N-PE) | ≤ 1.5 kV |
Residual voltage Ures (L-N) | ≤ 1.2 kV (at In) |
Residual voltage Ures (L-N) | ≤ 1.2 kV (at 10 kA) |
Residual voltage Ures (L-N) | ≤ 1.1 kV (at 5 kA) |
Residual voltage Ures (L-PE) | ≤ 1.35 kV (at In) |
Residual voltage Ures (L-PE) | ≤ 1.35 kV (at 10 kA) |
Residual voltage Ures (L-PE) | ≤ 1.2 kV (at 5 kA) |
Residual voltage Ures (N-PE) | ≤ 0.4 kV (at In) |
Residual voltage Ures (N-PE) | ≤ 0.25 kV (at 10 kA) |
Residual voltage Ures (N-PE) | ≤ 0.15 kV (at 5 kA) |
Residual voltage Ures (N-PE) | ≤ 0.1 kV (at 3 kA) |
TOV behavior at UT (L-N) | 415 V AC (5 s / withstand mode) |
TOV behavior at UT (L-N) | 440 V AC (120 min / safe failure mode) |
TOV behavior at UT (N-PE) | 1200 V AC (200 ms / withstand mode) |
Response time tA | ≤ 100 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-L) | 700 V AC |
Maximum continuous operating voltage MCOV (L-N) | 350 V AC |
Maximum continuous operating voltage MCOV (L-G) | 350 V AC |
Maximum continuous operating voltage MCOV (N-G) | 260 V AC |
Nominal discharge current In (L-L) | 10 kA |
Nominal discharge current In (L-N) | 10 kA |
Nominal discharge current In (L-G) | 10 kA |
Nominal discharge current In (N-G) | 10 kA |
Mode of protection | L-L |
Mode of protection | L-N |
Mode of protection | L-G |
Mode of protection | N-G |
Nominal Voltage | 240/415 V AC |
Power distribution system | Wye |
Nominal frequency | 50/60 Hz |
Measured limiting voltage MLV (L-L) | 2420 V |
Measured limiting voltage MLV (L-N) | 1610 V |
Measured limiting voltage MLV (L-G) | 2030 V |
Measured limiting voltage MLV (N-G) | 870 V |
SPD Type | 4CA |
UL connection data
Tightening torque | 30 lbf-in. |
Conductor cross section AWG | 10 ... 2 |
Standards and Regulations
Standards/specifications | IEC 61643-11 |
Note | 2011 |
Standards/specifications | EN 61643-11 |
Note | 2012 |
Mounting
Mounting Type | DIN rail: 35 mm |
Accessories
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Additional Information
Pack Size | 1 |
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