Single-Phase AC LISNs

50 µH Line Impedance Stabilisation Networks for conducted emissions testing of single-phase AC mains-powered equipment.

The Tekbox TBL5008 and TBL5016 families offer 8 A and 16 A options, with switched measurement models and dual-output models for more advanced EMC troubleshooting.

2C models provide switched Live/Neutral measurement and integrated protection features. In contrast, 2B models provide separate RF outputs for Live and Neutral, allowing use with a LISN Mate for common-mode and differential-mode analysis.

2C: Choose when you want simpler operation. The Live/Neutral selector handles the appropriate termination internally, and the built-in transient limiter gives additional protection to the connected measurement equipment.

2B: Separate Live and Neutral RF outputs. The unused output must be terminated in 50 Ω during ordinary measurements, but having both outputs allows connection to a LISN Mate to separate common-mode and differential-mode noise.

Product NameImageImpendanceFrequency RangePathCurrentVoltageEUT SocketAdditional FeaturesStandardStockPrice
TBL5008-2BLow stockImage of New project(50µH+5Ω) // 50Ω9 kHz – 30 MHz28A Max250V AC @ 50-60 Hz / DCCountry specific mains socketSeparate RF outputs enabling LISN-Mate connectivity, Artificial hand connection PE switchable (50Ω // 50µH)CISPR 16-1-22£619.00
TBL5008-2CImage of Tekbox tbl5008 2c front telonic uk(50µH+5Ω) // 50Ω9 kHz – 30 MHz28A Max250V AC @ 50-60 Hz / DCCountry specific mains socketSwitchable Filter/Limiter/Attenuator, Artificial hand connection PE switchable (50Ω // 50µH)CISPR 16-1-25£686.00
TBL5016-1Image of Tekbox tbl5016 1 front50µH // 50Ω, (50µH+5Ω) // 50Ω150 kHz – 30 MHz116A250VPhoenix High CurrentJumper configurable to various standardsCISPR 16-1-2, MIL-STD-461FOn Backorder£578.00
TBL5016-2BLow stockImage of Tekbox tbl5016 2b front telonic uk'-(50µH+5Ω) // 50Ω9 kHz – 30 MHz216A250V AC @ 50/60 Hz / DCCountry specific mains socketCISPR 16-1-22£653.00
TBL5016-2CLow stockImage of Tekbox tbl5016 2c front telonic uk9 kHz – 30 MHz216A250V AC @ 50/60 Hz / DCCountry specific mains socketSwitchable Filter/Limiter/Attenuator, Artificial hand connection PE switchable (50Ω // 50µH)CISPR 16-1-2CISPR 16-1-21£884.00
TBL5032-1Image of Tbl5032 1 side 2 telonicuk50µH // 50Ω, (50µH+5Ω) // 50Ω10 kHz – 30 MHz132A500V DC, 270V AC @ 50/60 Hz, 120V AC @ 400 Hz4mm (banana)Jumper configurable to various standardsCISPR 16-1-2, MIL-STD-461GOn Backorder£692.00

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