CISPR 16-1-2

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Com-Power LI-125C 150...
150 kHz to 30 MHz Frequency Range...
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MIL-STD 461 CS116 Compliant 5.7"...

Com-Power LI-125C 150 kHz - 30 MHz LISN, 50 uH, 25 Amps

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Com-Power LI-125C 150 kHz to 30 MHz Line Impedance Stabilization Network Pair

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150 kHz to 30 MHz Frequency Range
Price is for a pair of LI-125C line impedance stabilization networks
Fully compliant to CISPR 16-1-2 / ANSI C63.4
"Air-core" inductors to prevent saturation
Provides a near 1:1 (<0.5 dB insertion loss) 50Ω coaxial measurement port (type-N)
Provides a defined, stable, impedance to the Equipment Under Test (EUT)
Individual Calibration Included
Three Year Warranty on New Units

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Com-Power LI-125C 150 kHz to 30 MHz Line Impedance Stabilization Network Pair
150 kHz to 30 MHz Frequency Range
Price is for a pair of LI-125C line impedance stabilization networks
Fully compliant to CISPR 16-1-2 / ANSI C63.4
"Air-core" inductors to prevent saturation
Provides a near 1:1 (<0.5 dB insertion loss) 50Ω coaxial measurement port (type-N)
Provides a defined, stable, impedance to the Equipment Under Test (EUT)
Individual Calibration Included
Three Year Warranty on New Units
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Specifications

Voltage Rating	270 VAC (Line to Ground), 380 VDC
Frequency Range	150 kHz to 30 MHz
Standards Met	CISPR 16-1-2 / ANSI C63.4
RF Connector	50Ω N-type (female)
Inductors	50 µH (air-core)
Mains & EUT Connections	Superior Electric SUPERCON® shrouded sockets
Current Rating	25 Amps (AC), 17 Amps (DC)
Application/Test Type	Power line conducted emissions tests
Insertion Loss	0.5 dB (150 kHz to 30 MHz)
Isolation	40 dB (150 kHz to 30 MHz)
Dimensions	13 x 7 x 7 inches / 33 x 17.7 x 17.7 cm
Weight	25 lbs. / 11.3 kg

Test Equipment Description

The LI-125C Line Impedance Stabilization Network (LISN) provides the necessary measurement platform for performing power line conducted emissions compliance testing as required by most worldwide standards for commercial products. The LI-125C is compliant with both CISPR 16-1-2 and ANSI C63.4.

The LISN provides defined stable impedance and isolates the EUT from power source influences, thereby providing accurate and repeatable results. The LI-125C 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-125C pair can be used to accommodate 3-phase power systems (Wye or Delta configurations).

Typical Connection Diagrams

Single Phase connection with one set of LISN

Three Phase connection with two sets of LISNs

Transient Protection

During conducted Immunity testing, CDNs are utilized to provide a means of coupling RF common mode signals to each line. In addition, CDNs provide the required common mode impedance to the EUT, isolation to the auxiliary equipment via common mode decoupling of the disturbance signals and provide uninterrupted communication between the EUT and auxiliary equipment.

Calibration

All Com-Power LISNs are individually calibrated in compliance with the relevant requirements of CISPR 16-1-2 and ANSI C63.4. Impedance, Phase, Isolation, and Insertion Loss data is supplied with each unit, along with the calibration certificate.