Official DistributorSKU
MPN
VAL-MS-T1/T2 48/12.5/O
Weight
0.15 kg
Series VAL-MS-T1
VAL-MS-T1/T2 48/12.5/O - Lightning/surge arrester type 1/2
Universal varistor-based plug-in lightning/surge arrester for 1-phase power supply networks with common N and PE (2-conductor system: L1, PEN), with remote indication contact.
- Rack-mount 2U panel applications
- Plug-in direction parallel to the conductor axis
- Versions with and without floating remote indication contact
- DIN rail mounting
- Accepts Type 1 and Type 2 VAL-MS plugs
- Coding when protective plug is inserted for the first time
Technical Specifications
Product properties
| Product family | VALVETRAB MS |
| IEC test classification | I / II |
| IEC test classification | T1 / T2 |
| IEC test classification | I |
| EN type | T1 / T2 |
| IEC power supply system | DC |
| Type | DIN rail module, two-section, divisible |
| Number of Positions | 1 |
| Surge protection fault message | Optical, remote indicator contact |
Insulation characteristics
| Pollution degree | 2 |
Electrical properties
| Nominal frequency fN | 50 Hz (60 Hz) |
Connection data
| Connection Method | Screw connection |
| Screw thread | M5 |
| Tightening torque | 4.5 Nm |
| Tightening torque | 30 lbf-in. (UL) |
| 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 |
| Conductor cross section AWG | 10 ... 2 (UL) |
Dimensions
| Width | 17.5 mm |
| Height | 77.1 mm |
| Depth | 89.2 mm |
| Horizontal pitch | 1 Div. |
Material specifications
| Color | black (RAL 9005) |
| Flammability rating according to UL 94 | V0 |
| Housing Material | PBT |
Mechanical data
| Open side panel | No |
Protective circuit
| Mode of protection | L-PEN |
| Mode of protection | (L+) - (L-) |
| Mode of protection | (L-) - PE |
| Mode of protection | (L+) - PE |
| Direction of action | L-N / L-PEN |
| Nominal voltage UN | -48 V DC (RRH) |
| Nominal voltage UN | 60 V DC |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous voltage UC | 75 V AC |
| Maximum continuous voltage UC | 100 V DC |
| Rated load current IL | 80 A |
| Rated load current IL | 80 A |
| Residual current IPE | ≤ 0.6 mA |
| Residual current IPE | ≤ 0.6 mA |
| Standby power consumption PC | ≤ 45.00 mVA |
| Standby power consumption PC | ≤ 45.00 mVA |
| Nominal discharge current In (8/20) µs | 12.5 kA |
| Maximum discharge current Imax (8/20) µs | 30 kA |
| Impulse discharge current (10/350) µs, charge | 6.25 As |
| Impulse discharge current (10/350) µs, specific energy | 39 kJ/Ω |
| Impulse discharge current (10/350) µs, peak value limp | 12.5 kA |
| Impulse discharge current (10/350) µs, peak value limp | 12.5 kA |
| Impulse discharge current (10/350) µs (L-N), charge | 6.25 As |
| Impulse discharge current (10/350) µs (L-N), charge | 6.25 As |
| Impulse discharge current (10/350) µs (L-N), specific energy | 39 kJ/Ω |
| Impulse discharge current (10/350) µs (L-N), specific energy | 39 kJ/Ω |
| Impulse discharge current (10/350) µs (L-N), peak current value Iimp | 12.5 kA |
| Impulse discharge current (10/350) µs (L-N), peak current value Iimp | 12.5 kA |
| Short-circuit current rating ISCCR | 25 kA |
| Voltage protection level Up | ≤ 0.4 kV |
| Voltage protection level Up (L-N) | ≤ 0.4 kV |
| Voltage protection level Up (L-PEN) | ≤ 0.4 kV |
| Residual voltage Ures | ≤ 0.4 kV (at In) |
| Residual voltage Ures | ≤ 0.35 kV (at 10 kA) |
| Residual voltage Ures | ≤ 0.3 kV (at 5 kA) |
| Residual voltage Ures | ≤ 0.275 kV (at 4 kA) |
| Residual voltage Ures | ≤ 0.25 kV (at 3 kA) |
| TOV behavior at UT | 100 V AC (5 s / withstand mode) |
| TOV behavior at UT | 130 V DC (5 s / withstand mode) |
| Response time tA | ≤ 25 ns |
| Response time tA (L-N) | ≤ 25 ns |
| Response time tA (L-PEN) | ≤ 25 ns |
| Max. backup fuse with V-type through wiring | 80 A AC (gG - 16 mm²) |
| Max. backup fuse with V-type through wiring | 80 A AC (gG - 16 mm²) |
| Max. backup fuse with branch wiring | 160 A AC (gG) |
| Max. backup fuse with branch wiring | 160 A AC (gG) |
Additional technical data
| Maximum discharge current Imax (8/20) µs | 65 kA |
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 | max. 2000 m |
| 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 | 75 V AC |
| Maximum continuous operating voltage MCOV (L-N) | 75 V AC |
| Maximum continuous operating voltage MCOV (L-G) | 75 V AC |
| Maximum continuous operating voltage MCOV (L+) - (L-) | 100 V DC |
| Maximum continuous operating voltage MCOV (L+/L-) - G | 100 V DC |
| Voltage protection rating VPR | 400 V |
| Voltage protection rating VPR (L-N) | 400 V |
| Nominal discharge current In | 20 kA |
| Nominal discharge current In (L-G) | 20 kA |
| Nominal discharge current In (L+) - (L-) | 20 kA |
| Mode of protection | L-L |
| Mode of protection | L-G |
| Mode of protection | (L+) - (L-) |
| Mode of protection | (L+) - G |
| Mode of protection | (L-) - G |
| Nominal Voltage | 60 V DC |
| Power distribution system | Single phase |
| Measured limiting voltage MLV | 1240 V |
| Measured limiting voltage MLV (L-G) | 1240 V |
| Measured limiting voltage MLV (L+) - (L-) | 1230 V |
| SPD Type | 1CA |
UL connection data
| Tightening torque | 30 lbf-in. |
| Conductor cross section AWG | 10 ... 2 |
Air clearances and creepage distances
| Standards/regulations | EN 61643-11 / UL 840 |
Mounting
| Mounting Type | DIN rail: 35 mm |
Accessories
2856278 - Wiring bridge for modules with connecting pitch 17.5 mm, 1-phase, 7-pos., color: Blue
2858470 - Wiring bridge for modules with connecting pitch 17.5 mm, 1-phase, 8-pos., color: Blue
2818339 - Wiring bridge flexible, diameter 16 mm2, with a fork-type cable lug on one side, length: 200 mm- 2818342 - Wiring bridge flexible, diameter 16 mm2, with a fork-type cable lug on one side, length: 400 mm
- 2818355 - Wiring bridge flexible, diameter: 16 mm2, with a fork-type cable lug on one side, length: 600 mm
- 2818355 - Wiring bridge flexible, diameter: 16 mm2, with a fork-type cable lug on one side, length: 600 mm
- 2818342 - Wiring bridge flexible, diameter 16 mm2, with a fork-type cable lug on one side, length: 400 mm
- 2818339 - Wiring bridge flexible, diameter 16 mm2, with a fork-type cable lug on one side, length: 200 mm
Pont de câblage pour modules avec pas de raccordement 17,5 mm, monophasé, 10 pas avec ordre de contacts 1-0-0
Why Proax for Phoenix Contact 2906281?
Proax is an authorized distributor of Phoenix Contact 2906281 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Pack Size | 12 |
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