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NLU5000 Loading Unit

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  • Exceptional versatility and reliability
  • Three output taps for a wide range of load impedances
  • Configurable maximum current: 5000A on the 2.3V range, 2500A on the 4.6V range or 1250A on the 9.2V range
  • Seamless connection to the Control Unit with included interconnect lead
  • Designed to meet the stringent requirements of BS EN61010
  • Duty cycle trip and thermal protection for enhanced safety


The NLU5000 Loading Unit is an essential companion to the PCU1-SP Mk2 Primary Current Injection Test System. It offers exceptional versatility and reliability by working seamlessly in conjunction with the system. Additionally, its three output taps provide a wide range of load impedances, making testing more flexible.

You can configure the unit to deliver a maximum current of 5000A on the 2.3V range, 2500A on the 4.6V range or 1250A on the 9.2V range. Connection to the Control Unit is straightforward thanks to the included interconnect lead, a standard accessory. This simplifies the setup process and ensures seamless integration.

Moreover, the NLU5000 Loading Unit carries the UKCA mark, demonstrating compliance with applicable UK safety standards. It is also designed to meet the stringent requirements of BS EN61010, ensuring safety and reliability in all testing scenarios.

To prioritize safety and performance, the NLU5000 Loading Unit comes equipped with a duty cycle trip and thermal protection. These features safeguard against overload and overheating, ensuring reliable and efficient operation. Whether conducting primary current injection testing, stability testing, or circuit breaker testing, the NLU500 Loading Unit offers precise and accurate results.

Our partners, including AcutestAlpha ElectronicsCuthbertson LairdNorwich Instrument Services, and PASS Ltd offer the NLU5000 Loading Unit in the United Kingdom. If you are based outside of Great Britain, you can order the product through our worldwide distribution network.

Additional information

Weight60 kg
Dimensions450 × 275 × 305 mm
Supplied Accessories

User manual
Calibration certificate
Output screw set
2 x 19mm ring combi spanner


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