For shielded rooms where the effective suppression of radiated emission is required. Shielding performance: 100 dB @ 14 kHz-40 GHz (MIL-STD-285)
The Compact high performance power line filters are capable of providing a radiated transmission loss of 100 dB at 14 kHz up to 40 GHz. The leaked current is in milliampere level and the voltage drop is less than 1 V.
The filter is made to withstand the harshest environment, and it is very economical. Because it is custom designed for your own filter, the assembly is very simple and emits very low leakage. This filter is usually in a stock and normally available.
This series is offered as a two line filter (single phase and neutral) or as a four line filter (three phases and neutral). The two line filter can withstand up to 230 Volt, 1-1000 amp and 46 kW. If you are looking for a filter that can withstand more power then the four line filter is recommended. This four line filter delivers up to 400 Volt, 1-1600 amp and 138 kW. The neutral line is always attenuated and all conductors are decoupled from each other. This allows the conductors to operate independently without attenuation loss.
The circuit is designed as a symmetrical double- circuit with high quality rod cores providing inductance. These cores do not saturate due to their large air gap and they are insensitive to asymmetrical load.
Foil capacitors ensure a long operating life by their self healing feature even after voltage transients. A seamless fixing of the filter casing to the shielded room is very important to ensure trouble free operation. The filter is housed in a casing that has a base flange and provides stable mounting and excellent earthing when bolted to the shielded room via the mounting bolts.
Please note: EMP protection is available on request.
Also, check our Ultra high-performance filters.
Advantages:
Applications:
Mounting:
These protections are designed for mounting on the penetration panel or directly on the non-painted wall of the Faraday cage. Mounting terminals are dependent on the amount of power. Please see Connection in the Product range table.
Installation diagram:
The technical drawing below shows how a power line filter is mounted on the wall a your Faraday cage.
Technical data:
| Rated voltage VR for two-line filters | 250 VAC/500 VDC | line-line or line-case |
| Rated voltage VR for four-line filters | 440 VAC 250 VAC | line-line line-case |
| Rated Frequency fR | DC -60 Hz | |
| Rated Current IR | See characteristics | referred to +40 °C ambient temperature |
| Number of lines | 2/4 | |
| Test voltage | 1200 VDC / 2 s | Line-line or line-case |
| Voltage drop/phase ΔV | <1% | of VR at 50 Hz and IR |
| Leakage current I Leakage | See characteristics | at 380 V / 220 V and 50 Hz |
| Reactive current I Reactive | See characteristics | at 380 V / 220 V and 50 Hz |
| Discharge Time to Below 34 V | 30 s | |
| Climatic category | 25/070/21 | |
| Shielding performance | 100 dB @ | 14 kHz ~ 40 GHz |
| Insertion loss | 100 dB @ | 50 kHz ~ 40 GHz |
Shielding performance:
Please note : These values are measured under laboratory conditions and may vary in other situations; Please read our Guarantee.
Single phase and neutral filter types:
230 Volt, 1-1000 amp and 230 kVA
| Type | A | B | C | D | E | F | G | Installation instructions | Outline drawing | IR (A) | I Leakage (A)* | I Reactive (A) | Terminal connection | Shielding Effectiveness (dB) | |
| In | Out | ||||||||||||||
| 8020-2-16 | 188 | 205 | 120 | 750 | 450 | 110 | 80 | M24 conduit screw | 1 | 2×16 | 0.02 | 1.7 | M6 Screw | M6 Screw |
100 dB, |
| 8020-2-32 | 188 | 205 | 120 | 750 | 450 | 110 | 80 | M24 conduit screw | 1 | 2×32 | 0.02 | 1.7 | M6 Screw | M6 Screw | |
| 8020-2-63 | 188 | 205 | 140 | 920 | 620 | 110 | 80 | M33 conduit screw | 1 | 2×63 | 0.02 | 1.7 | M6 Screw | M6 Screw | |
| 8020-2-100 | 228 | 245 | 155 | 960 | 450 | 205 | 80 | M60 conduit screw | 1 | 2×100 | 0.15 | 7.0 | M12 Screw | M12 Screw | |
| 8020-2-200 | 228 | 245 | 155 | 960 | 450 | 205 | 80 | M60 conduit screw | 1 | 2×200 | 0.15 | 7.0 | M12 Screw | M12 Screw | |
| 8020-2-250 | 228 | 245 | 155 | 960 | 450 | 205 | 80 | M60 conduit screw | 1 | 2×250 | 0.15 | 7.0 | M12 Screw | M12 Screw | |
| 8020-2-400 | 320 | 340 | 205 | 1360 | 850 | 170 | 120 | 2 | 2×400 | 0.30 | 7.0 | Bus bar | Bus bar | ||
| 8020-2-630 | 370 | 390 | 225 | 1300 | 800 | 170 | 105 | 2 | 2×630 | 0.45 | 7.0 | Bus bar | Bus bar | ||
| 8020-2-800 | 485 | 505 | 255 | 1450 | 900 | 185 | 115 | 2 | 2×800 | 0.58 | 7.0 | Bus bar | Bus bar | ||
| 8020-2-1000 | 510 | 530 | 255 | 1450 | 900 | 185 | 115 | 2 | 2×1000 | 0.58 | 7.0 | Bus bar | Bus bar | ||
| * If voltage between neutral and earth is 0V Actual size may differ from the above. Please contact us for the correct size | |||||||||||||||
Three phases and neutral filter types:
400 Volt, 1-1600 amp and 1100 kVA
| Type | A | B | C | D | E | F | G | Installation instructions | Outline drawing | IR (A) | I Leakage (A)* | I Reactive (A) | Terminal connection | Shielding Effectiveness (dB) | |
| In | Out | ||||||||||||||
| 8020-4-16 | 288 | 305 | 120 | 750 | 450 | 110 | 80 | M33 conduit screw | 3 | 4×16 | 0.005 | 1.7 | M6 Screw | M6 Screw | 100 dB, 14 kHz ~ 40 GHz |
| 8020-4-32 | 288 | 305 | 120 | 750 | 450 | 110 | 80 | M33 conduit screw | 3 | 4×32 | 0.005 | 1.7 | M6 Screw | M6 Screw | |
| 8020-4-63 | 348 | 365 | 140 | 920 | 620 | 110 | 80 | M33 conduit screw | 3 | 4×63 | 0.005 | 1.7 | M6 Screw | M6 Screw | |
| 8020-4-100 | 348 | 365 | 155 | 960 | 450 | 205 | 80 | M60 conduit screw | 3 | 4×100 | 0.05 | 7.0 | M12 Screw | M12 Screw | |
| 8020-4-200 | 348 | 365 | 155 | 960 | 450 | 205 | 80 | M60 conduit screw | 3 | 4×200 | 0.05 | 7.0 | M12 Screw | M12 Screw | |
| 8020-4-250 | 388 | 405 | 155 | 960 | 450 | 205 | 80 | M60 conduit screw | 3 | 4×250 | 0.05 | 7.0 | M12 Screw | M12 Screw | |
| 8020-4-400 | 536 | 556 | 205 | 1360 | 850 | 170 | 120 | 4 | 4×400 | 0.08 | 7.0 | Bus bar | Bus bar | ||
| 8020-4-630 | 670 | 690 | 225 | 1300 | 800 | 170 | 105 | 4 | 4×630 | 0.1 | 7.0 | Bus bar | Bus bar | ||
| 8020-4-800 | 900 | 920 | 255 | 1450 | 900 | 185 | 115 | 4 | 4×800 | 0.12 | 7.0 | Bus bar | Bus bar | ||
| 8020-4-1000 | 945 | 965 | 255 | 1450 | 900 | 185 | 115 | 4 | 4×1000 | 0.12 | 7.0 | Bus bar | Bus bar | ||
| 8020-4-1200 | 910 | 930 | 275 | 1790 | 1150 | 270 | 125 | 4 | 4×1200 | 0.18 | 7.0 | Bus bar | Bus bar | ||
| 8020-4-1400 | 910 | 930 | 275 | 1790 | 1200 | 280 | 110 | 4 | 4×1400 | 0.18 | 7.0 | Bus bar | Bus bar | ||
| 8020-4-1600 | 880 | 900 | 285 | 1930 | 1200 | 280 | 110 | 4 | 4×1600 | 0.24 | 7.0 | Bus bar | Bus bar | ||
| * If voltage between neutral and earth is 0V Actual size may differ from the above. Please contact us for the correct size | |||||||||||||||
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