VAL-MB-T1/T2-1000DC-2+V-R
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Lightning/surge arrester type 1/2
1683780
Lightning/surge protective device, according to type 1/2 / class I/II, for linear, unipolar DC supply systems up to 1000 V DC, for DIN rail mounting, with remote indication contact.
Product details
| General | |
| Note | The DC power grid must be electrically isolated from any other AC or DC power grid. |
| Product type | Surge arrester |
| IEC test classification | T1 / T2 |
| EN type | T1 / T2 |
| IEC power supply system | DC |
| Type | DIN rail module, one-piece |
| Surge protection fault message | Optical, remote indicator contact |
| Insulation characteristics | |
| Overvoltage category | III (main circuit) |
| II (Auxiliary circuit) | |
| Pollution degree | 2 |
| Indicator/remote signaling | |
| Connection name | Remote fault indicator contact |
| Switching function | Changeover contact |
| Operating voltage | 5 V AC ... 250 V AC (Altitude ≤ 2000 m (amsl)) |
| Connection method | Screw connection |
| Screw thread | M5 |
| Tightening torque | 3 Nm |
| Stripping length | 16 mm |
| Conductor cross section flexible | 2.5 mm² ... 35 mm² |
| Conductor cross section AWG | 14 ... 2 |
| Remote fault indicator contact | |
| Connection method | Screw connection |
| 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 |
| Dimensional drawing |
|
| Width | 71.2 mm |
| Height | 120 mm |
| Depth | 65.5 mm (incl. DIN rail 7.5 mm) |
| Horizontal pitch | 4 Div. |
| Color | gray (RAL 7042) |
| Flammability rating according to UL 94 | V-0 |
| CTI value of material | 600 |
| Insulating material | PA 6.6 |
| PBT | |
| Housing material | PA 6.6 |
| Mode of protection | (DC+) - (DC-) |
| (DC+/DC-) - PE | |
| Direction of action | (L+)-PE & (L-)-PE & (L+)-(L-) |
| Nominal voltage UN | 1000 V DC |
| Maximum continuous voltage UC | 1000 V DC |
| Rated load current IL | 40 A (2x 10 mm²) |
| Protective conductor current IPE | ≤ 100 µA DC |
| ≤ 540 µA AC | |
| Standby power consumption PC | ≤ 150 mVA |
| Nominal discharge current In (8/20) µs | 20 kA |
| Maximum discharge current Imax (8/20) µs | 40 kA |
| Impulse discharge current (10/350) µs, charge | 3.125 As |
| Impulse discharge current (10/350) µs, specific energy | 9.77 kJ/Ω |
| Impulse discharge current (10/350) µs, peak value limp | 6.25 kA |
| Total discharge current ITotal (8/20) µs | 40 kA |
| Total discharge current ITotal (10/350) µs | 12.5 kA |
| Short-circuit current rating ISCCR | min. 800 A DC |
| max. 40 kA DC | |
| < 800 A DC (A shutdown time of < 400 ms must be ensured) | |
| Voltage protection level Up | ≤ 4.5 kV |
| Residual voltage Ures | ≤ 4.5 kV (at In) |
| ≤ 3.3 kV (at 3 kA) | |
| ≤ 3.6 kV (at 6.25 kA) | |
| ≤ 3.8 kV (at 10 kA) | |
| ≤ 4.2 kV (at 15 kA) | |
| ≤ 5.4 kV (at 40 kA) | |
| Response time tA | ≤ 25 ns |
| Max. backup fuse with V-type through wiring | 40 A (gG at ISCCR > 800 A DC) |
| Max. backup fuse with branch wiring | 80 A (gG at ISCCR > 800 A DC) |
| 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 (operating voltage remote contact ≤ 250 V) |
| ≤ 6000 m (operating voltage remote contact ≤ 150 V) | |
| Permissible humidity (operation) | 5 % ... 95 % |
| Shock (operation) | 50g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z) |
| Vibration (operation) | 5g (5 - 500 Hz/2.5 h/X, Y, Z) |
| Standards/specifications | IEC 61643-41 |
| Note | Ed. 1 CDV |
| Standards/specifications | IEC 61643-31 |
| Note | 2018 |
| Standards/specifications | EN 61643-31 |
| Note | 2019 |
| Mounting type | DIN rail: 35 mm |
Your advantages
Safe operation of DC voltage supply systems thanks to reliable protection against lightning current and surge voltage events
For use in unipolar, linear DC supply systems
Highly versatile with a maximum altitude up to 6000 m (amsl)
Space-saving installation, thanks to the compact design
Excellent level of information provided by mechanical/visual status indicator and remote indication contact