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5 µH LISN's
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Viewed products
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Com-Power LI-550C 100...
100 kHz to 108 MHz Frequency Range...
Com-Power LI-550C 100 kHz to 108 MHz Line Impedance Stabilization Network
New
- 100 kHz to 108 MHz Frequency Range
- Fully compliant with CISPR 25 / CISPR 16-1-2
- "Air-core" inductors to prevent saturation
- Individual Calibration Included
- Three-Year Warranty
Typically In Stock
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Specifications
| Voltage Rating | 270 VAC (Line to Ground), 380 VDC |
| Frequency Range | 100 kHz to 108 MHz |
| Standards Met | CISPR 25 / CISPR 16-1-2 |
| RF Connector | 50Ω N-type (female) |
| Inductors | 5 µH (air-core) |
| Mains & EUT Connections | Superior Electric SUPERCON® shrouded sockets |
| Current Rating | 50 Amps (AC), 35 Amps (DC) |
| Application/Test Type | Power line conducted emissions tests |
| Insertion Loss | 1.5 dB (150 kHz to 30 MHz) |
| Isolation | 20 - 40 dB (100 kHz to 3 MHz) 40 dB ( 3 MHz to 30 MHz) |
| Dimensions | 13 x 7 x 7 inches / 33 x 17.7 x 17.7 cm |
| Weight | 14 lbs. / 6.3 kg |
Test Equipment Description
The LISN provides defined stable impedance and isolates the EUT from power source influences, thereby providing accurate and repeatable results. The LI-550C includes one pair of, separately housed, single-conductor networks, to be installed in series with each current-carrying conductor in a single-phase, dual-phase or DC power system. A second LI-550C pair can be used to accommodate 3-phase power systems (Wye or Delta configurations).
The LI-550C is equipped with Superior Electric SUPERCON® shrouded sockets at the mains (power input) and EUT (power output) ports. The matching color-coded plugs for connection to the mains and EUT wiring are included. This LISN uses air-core inductors to prevent saturation and permeability variation. The mounting plate of the LI-550C is left unpainted in order to facilitate connection to earth ground in its installation, which is essential due to high leakage current.
Typical Connection Diagrams
Single Phase connection with one set of LISN
Three Phase connection with two sets of LISNs
Transient Protection
Use of a Transient Limiter for impedance matching, reduction of out-of-band emissions and transient protection for your measurement instrument is highly recommended and available from Com-Power.
Calibration
All LI-550A LISNs are individually calibrated in compliance with the relevant requirements of CISPR 25 and CISPR 16-1-2. Impedance, Phase, Isolation, and Insertion Loss data is supplied with each unit, along with the calibration certificate.
Typical Data
