VAL-MS-T1/T2 48/12.5/O
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Lightning/surge arrester type 1/2
2906281
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.
Product details
| Product type | Arrester combination |
| Product family | VALVETRAB MS |
| IEC test classification | I / II |
| T1 / T2 | |
| 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 |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Connection method | Screw connection |
| Screw thread | M5 |
| Tightening torque | 4.5 Nm |
| 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 |
| 10 ... 2 (UL) |
| Dimensional drawing |
|
| Width | 17.5 mm |
| Height | 77.1 mm |
| Depth | 89.2 mm |
| Horizontal pitch | 1 Div. |
| Color | black (RAL 9005) |
| Flammability rating according to UL 94 | V0 |
| Housing material | PBT |
| Mechanical data | |
| Open side panel | No |
| Mode of protection | L-PEN |
| (L+) - (L-) | |
| (L-) - PE | |
| (L+) - PE | |
| Direction of action | L-N / L-PEN |
| Nominal voltage UN | -48 V DC (RRH) |
| 60 V DC | |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous operating voltage UC | 75 V AC |
| 100 V DC | |
| Rated load current IL | 80 A |
| 80 A | |
| Protective conductor current IPE | ≤ 0.6 mA |
| ≤ 0.6 mA | |
| Standby power consumption PC | ≤ 45 mVA |
| ≤ 45 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 |
| 12.5 kA | |
| Impulse discharge current (10/350) µs (L-N), charge | 6.25 As |
| 6.25 As | |
| Impulse discharge current (10/350) µs (L-N), specific energy | 39 kJ/Ω |
| 39 kJ/Ω | |
| Impulse discharge current (10/350) µs (L-N), peak current value Iimp | 12.5 kA |
| 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) |
| ≤ 0.35 kV (at 10 kA) | |
| ≤ 0.3 kV (at 5 kA) | |
| ≤ 0.275 kV (at 4 kA) | |
| ≤ 0.25 kV (at 3 kA) | |
| TOV behavior at UT | 100 V AC (5 s / withstand mode) |
| 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) |
| 80 A AC (gG - 16 mm²) | |
| Max. backup fuse with branch wiring | 160 A AC (gG) |
| 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 |
| L-G | |
| (L+) - (L-) | |
| (L+) - G | |
| (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 type | DIN rail: 35 mm |
Your advantages
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