Official DistributorSKU
MPN
VAL-MS 320/3+1/FM-UD
Weight
0.408 kg
Series VAL-MS
VAL-MS 320/3+1/FM-UD - Type 2 surge arrester
Surge voltage arrester consisting of base element with remote indicator contact and ground connectors, for mounting on NS 35/7.5, nominal voltage: 320 V AC, 3 + 1 circuit
- Quality proven millions of times over in the widest range of applications
- Rapid installation with bridges, thanks to industry-standard overall width of 1 HP
- Easy testing and insulation measurement, thanks to pluggable protection modules
- Wide range of applications due to various nominal voltages
- High degree of modularity provides individual solutions for every application
Technical Specifications
Product properties
| Product family | VALVETRAB MS |
| IEC test classification | II |
| IEC test classification | T2 |
| EN type | T2 |
| IEC power supply system | TN-S |
| IEC power supply system | TT |
| Type | DIN rail module, two-section, divisible |
| Number of Positions | 4 |
| 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 ... 750 mA 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 | 71 mm |
| Height | 98.7 mm |
| Depth | 65.7 mm (incl. DIN rail 7.5 mm) |
| Horizontal pitch | 4 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/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) | 335 V AC |
| Maximum continuous operating voltage UC (L-PE) | 335 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 | ≤ 450.00 mVA |
| 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 |
| Short-circuit current rating ISCCR | 25 kA |
| Voltage protection level Up (L-N) | ≤ 1.6 kV |
| Voltage protection level Up (L-PE) | ≤ 1.9 kV |
| Voltage protection level Up (N-PE) | ≤ 1.5 kV |
| Residual voltage Ures (L-N) | ≤ 1.6 kV (at In) |
| Residual voltage Ures (L-N) | ≤ 1.5 kV (at 10 kA) |
| Residual voltage Ures (L-N) | ≤ 1.3 kV (at 5 kA) |
| Residual voltage Ures (L-N) | ≤ 1.1 kV (at 3 kA) |
| Residual voltage Ures (L-PE) | ≤ 1.9 kV (at In) |
| Residual voltage Ures (L-PE) | ≤ 1.5 kV (at 10 kA) |
| Residual voltage Ures (L-PE) | ≤ 1.3 kV (at 5 kA) |
| Residual voltage Ures (L-PE) | ≤ 1.2 kV (at 3 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 (L-N) | ≤ 25 ns |
| Response time tA (L-PE) | ≤ 100 ns |
| Response time tA (N-PE) | ≤ 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) | 640 V AC |
| Maximum continuous operating voltage MCOV (L-N) | 320 V AC |
| Maximum continuous operating voltage MCOV (L-G) | 320 V AC |
| Maximum continuous operating voltage MCOV (N-G) | 260 V AC |
| Nominal discharge current In (L-L) | 20 kA |
| Nominal discharge current In (L-N) | 20 kA |
| Nominal discharge current In (L-G) | 20 kA |
| Nominal discharge current In (N-G) | 20 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) | 2900 V |
| Measured limiting voltage MLV (L-N) | 2030 V |
| Measured limiting voltage MLV (L-G) | 2720 V |
| Measured limiting voltage MLV (N-G) | 1370 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 | 14 ... 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 |
Recommended
VAL-MS 320/1+1/50, Surge arrester for 3-conductor power supply systems (L1, N, PE), consisting of a base element and protective connectors, for mounting on NS 35.
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Surge arrester for 3-conductor power supply systems (L1, N, PE), consisting of a base element and protective connectors, for mounting on NS 35.
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Surge arrester for 3-conductor power supply systems (L1, N, PE), consisting of a base element and protective connectors, for mounting on NS 35.
Surge arrester for 5-conductor power supply systems (L1, L2, L3, N, PE), consisting of a base element with remote indication contact and protective connectors, for mounting on NS 35.
