BLT-T2-1S-320-UT
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Type 2 surge arrester
2906101
Type 2 surge arrester for universal mounting in lights, cable connection boxes, installation boxes, sill-type trunking, underfloor installations or direct installation in the end device. Specifically for insulation class I with optical fault indication. Installation in branch or through wiring. Version: 230 V AC
Product details
| Product type | Surge arrester |
| IEC test classification | II / III |
| T2 / T3 | |
| EN type | T2 / T3 |
| IEC power supply system | TN-S |
| TT | |
| Type | Installation module |
| Surge protection fault message | optical |
| Insulation characteristics | |
| Protection class | I |
| Overvoltage category | III |
| Pollution degree | 2 |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Nominal voltage UN | 100 V AC ... 277 V AC (TN-S) |
| 100 V AC ... 277 V AC (TT) | |
| Dielectric strength | < 6 kV |
| Connection method | Screw terminal blocks |
| Screw thread | M3 |
| Tightening torque | 0.6 Nm |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Dimensional drawing |
|
| Width | 36.5 mm |
| Height | 56 mm |
| Depth | 34 mm |
| Color | light gray (RAL 7035) |
| Flammability rating according to UL 94 | V-0 |
| CTI value of material | 600 |
| Insulating material | PA 6.6 |
| Material group | I |
| Housing material | PA 6.6 |
| Mode of protection | L-N |
| L-PE | |
| N-PE | |
| Direction of action | 1L-N & N-PE |
| Nominal voltage UN | 100 V AC ... 277 V AC (TN-S) |
| 100 V AC ... 277 V AC (TT) | |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous operating voltage UC (L-N) | 320 V AC |
| Maximum continuous operating voltage UC (L-PE) | 305 V AC |
| Maximum continuous operating voltage UC (N-PE) | 305 V AC |
| Rated load current IL | 16 A |
| Protective conductor current IPE | ≤ 5 µA |
| Nominal discharge current In (8/20) µs (L-N) | 5 kA |
| Nominal discharge current In (8/20) µs (L-PE) | 5 kA |
| Nominal discharge current In (8/20) µs (N-PE) | 10 kA |
| Maximum discharge current Imax (8/20) µs (L-N) | 10 kA |
| Maximum discharge current Imax (8/20) µs (L-PE) | 10 kA |
| Maximum discharge current Imax (8/20) µs (N-PE) | 20 kA |
| Combination wave UOC | 10 kV |
| Total discharge current ITotal (8/20) µs | 20 kA |
| Follow current interrupt rating Ifi (N-PE) | 100 A (305 V AC) |
| Short-circuit current rating ISCCR | 3 kA |
| Voltage protection level Up (L-N) | ≤ 1.3 kV |
| Voltage protection level Up (L-PE) | ≤ 1.5 kV |
| Voltage protection level Up (N-PE) | ≤ 1.4 kV |
| Residual voltage Ures (L-N) | ≤ 1.3 kV (at In) |
| ≤ 1.3 kV (at UOC) | |
| TOV behavior at UT (L-N) | 400 V AC (5 s / withstand mode) |
| 528 V AC (120 min / safe failure mode) | |
| TOV behavior at UT (L-PE) | 528 V AC (5 s / withstand mode) |
| 528 V AC (120 min / safe failure mode) | |
| 1505 V AC (200 ms / withstand mode) | |
| TOV behavior at UT (N-PE) | 1200 V AC |
| Response time tA (L-N) | ≤ 25 ns |
| Response time tA (N-PE) | ≤ 100 ns |
| Max. backup fuse with V-type through wiring | 16 A (MCB B/C) |
| Max. backup fuse with branch wiring | 16 A (MCB B/C) |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 80 °C |
| Ambient temperature (storage/transport) | -40 °C ... 80 °C |
| Altitude | ≤ 2000 m (amsl) |
| Permissible humidity (operation) | 5 % ... 95 % |
| Standards/specifications | IEC 61643-11 |
| Note | 2011 |
| Standards/specifications | EN 61643-11 |
| Note | 2012 |
| Mounting type | 4 mm screw |
Your advantages
Optimal additional protection of the building installation for longer service life and increased availability of the end devices
Optimal protection of the power supply for longer service life and increased availability of the LED lighting
Excellent level of information provided, thanks to shutdown function for the load circuit in the event of an error
Simple condition monitoring without voltage on the device with a mechanical/visual status indicator
Flexible installation, thanks to mounting via integrated elongated holes
Stub or through-wiring connection
Flexible installation
Fixed via integrated elongated holes
Compact design
Optical status indicator via LED
L' signalizes the failure of the surge protective device due to disconnection of the power supply to the lights
Universal use for street, tunnel or object lighting