Official Distributor
SKU
MPN
VAL-MS 350 VF/3+0-FM
Weight
0.342 kg
Series VAL-MS
VAL-MS 350 VF/3+0-FM - Type 2 surge arrester
Plug-in surge arrester free of leakage current for 3-phase power supply networks with N and PE in a common conductor (4-conductor system: L1, L2, L3, PEN), with remote indication contact.
Technical Specifications
General
Note | 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 |
Type | DIN rail module, two-section, divisible |
Number of Positions | 3 |
Surge protection fault message | Optical, remote indicator contact |
Insulation characteristics
Overvoltage category | III |
Pollution degree | 2 |
Electrical properties
Nominal frequency fN | 50 Hz (60 Hz) |
Indicator/remote signaling
Connection name | Remote fault indicator contact |
Switching function | Changeover contact |
Operating Voltage | 5 V AC ... 250 V AC |
Operating Voltage | 30 V DC |
Operating current | 5 mA AC ... 1.5 A AC |
Operating current | 1 A DC |
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 |
Remote fault indicator contact
Connection Method | Plug-in/screw connection via COMBICON |
Screw thread | M2 |
Tightening torque | 0.25 Nm |
Stripping length | 7 mm |
Conductor cross section flexible | 0.14 mm² ... 1.5 mm² |
Conductor cross section rigid | 0.14 mm² ... 1.5 mm² |
Conductor cross section AWG | 28 ... 16 |
Dimensions
Width | 53.4 mm |
Height | 98.7 mm |
Depth | 65.7 mm (incl. DIN rail 7.5 mm) |
Horizontal pitch | 3 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-PE |
Mode of protection | L-PEN |
Direction of action | 3L-N/PE |
Nominal voltage UN | 240/415 V AC (TN-C) |
Nominal voltage UN | 230 V AC (IT) |
Nominal frequency fN | 50 Hz (60 Hz) |
Maximum continuous voltage UC | 350 V AC |
Rated load current IL | 80 A |
Residual current IPE | ≤ 5 µA |
Standby power consumption PC | ≤ 6.00 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 (L-PEN) | 415 V AC (5 s / withstand mode) |
TOV behavior at UT (L-PEN) | 440 V AC (120 min / 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 |
Nominal discharge current In (L-L) | 20 kA |
Mode of protection | L-L |
Nominal Voltage | 240 V AC |
Power distribution system | Delta |
Nominal frequency | 50/60 Hz |
Measured limiting voltage MLV (L-L) | 2420 V |
SPD Type | 4CA |
UL indicator/remote signaling
Operating Voltage | 125 V AC |
AC operating current | 1 A AC |
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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