Official DistributorSKU
MPN
VAL-MS 350 VF ST
Weight
0.038 kg
Series VAL-MS
VAL-MS 350 VF ST - Type 2 surge protection plug
Surge protection connector type 2 with series connection consisting of varistor and gas-filled spark gap for VAL-MS base element, thermal monitoring, visual fault warning. Design: 350 V AC
Technical Specifications
General
| Note | Usable in all low-voltage systems between L-N or L-PEN.Only usable in IT Systems between L-PE, if the exposed-conductive-parts (bodies) of the equipment of the low-voltage installation is connected to the earthing arrangement of the transformer substation. (interconnected earthing arrangement of the HV-transformer substation with the bodies of the LV-installation. RE = RA accordance to IEC 60364-4-442 / VDE 0100-442 Fig. 44D / Example a) |
Product properties
| Product family | VALVETRAB MS |
| IEC test classification | II |
| IEC test classification | T2 |
| EN type | T2 |
| IEC power supply system | TN |
| IEC power supply system | TT |
| IEC power supply system | IT |
| Type | DIN rail module, two-section, divisible |
| Number of Positions | 1 |
| Surge protection fault message | optical |
| Arrester can be tested with CHECKMASTER from software version: | From SW rev. 1.12 |
Insulation characteristics
| Overvoltage category | III |
| Pollution degree | 2 |
Electrical properties
| Nominal frequency fN | 50 Hz (60 Hz) |
Connection data
| Connection Method | pluggable |
Dimensions
| Width | 17.5 mm |
| Height | 52.4 mm |
| Depth | 55.3 mm |
| Horizontal pitch | 1 Div. |
Material specifications
| Color | black (RAL 9005) |
| Flammability rating according to UL 94 | V-0 |
| CTI value of material | 600 |
| Insulating material | PA 6.6 |
| Material group | I |
| Housing Material | PA 6.6 |
Protective circuit
| Mode of protection | L-N |
| Mode of protection | L-PE |
| Mode of protection | L-PEN |
| Direction of action | 1L-N/PE |
| Nominal voltage UN | 240/415 V AC (TN) |
| Nominal voltage UN | 240/415 V AC (TT) |
| Nominal voltage UN | 230 V AC (IT) |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous voltage UC | 350 V AC |
| Residual current IPE | ≤ 5 µA |
| Standby power consumption PC | ≤ 2.00 mVA |
| Nominal discharge current In (8/20) µs | 10 kA |
| Maximum discharge current Imax (8/20) µs | 20 kA |
| Short-circuit current rating ISCCR | 25 kA |
| Voltage protection level Up | ≤ 1.5 kV |
| Residual voltage Ures | ≤ 1.2 kV (at In) |
| Residual voltage Ures | ≤ 1.2 kV (at 10 kA) |
| Residual voltage Ures | ≤ 1.1 kV (at 5 kA) |
| Front of wave sparkover voltage at 6 kV (1.2/50) µs | ≤ 1.5 kV |
| TOV behavior at UT | 415 V AC (5 s / withstand mode) |
| TOV behavior at UT | 440 V AC (120 min / withstand mode) |
| Response time tA | ≤ 100 ns |
| Max. backup fuse with branch wiring | 125 A (gG) |
Additional technical data
| Impulse discharge current (10/350) µs, charge | 0.25 As |
| Impulse discharge current (10/350) µs, specific energy | 62.5 J/Ω |
| Impulse discharge current (10/350) µs, peak value limp | 500 A |
Ambient conditions
| Degree of Protection | IP20 |
| 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) | 350 V AC |
| Nominal discharge current In (L-N) | 10 kA |
| Mode of protection | L-N |
| Nominal Voltage | 350 V AC |
| Power distribution system | Single phase |
| Nominal frequency | 50/60 Hz |
| Measured limiting voltage MLV (L-N) | 1610 V |
| SPD Type | 4CA |
Standards and Regulations
| Standards/specifications | IEC 61643-11 |
| Note | 2011 |
| Standards/specifications | EN 61643-11 |
| Note | 2012 |
Mounting
| Mounting Type | on base element |
Accessories
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Additional Information
| Pack Size | 1 |
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