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The Doble F6150e is a versatile protective relay tester for testing relays and schemes.

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Black Case 33kg 750L 300W 550H
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2 month
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This power system simulator performs the simplest through the most complex tests, meeting all your protective relay testing needs. Whether you need to test a specific component or an entire scheme, the Doble F6150 is the proven solution to assess protection system performance.

The Doble F6150 power system simulator uses state-of-the-art digital signal processing and power amplifiers to deliver a high-power, lightweight simulator for all protection testing applications. It’s the only instrument that can test the full range of protection schemes, electromechanical, numerical and combinations of all types. With the F6150, you can quickly run various tests to determine whether your relays detect signals properly, communicate correctly and respond appropriately to power
system events. In addition, with its high accuracy output, the F6150 can be easily applied to calibration testing of transducer and energy metering applications, including meters rated at 0.2 Class.

Operation: F series software via a laptop

Operating temperature range: 0 °C … +35 °C Nominal temperature range: 18 °C … +28 °C
Storage temperature range: -30 °C … +60 °C

Weight: 28kg without accessories ≤ 5.5 kg incl. accessories and batteries in carrying case
Case material: NORYL, shock -and scratch proof thermoplast

Key Features

  • Capable of testing electromechanical, solid-state and digital protective relays
  • Simulates a wide range of power system phenomena for realistic testing
  • High power output for primary injection testing in demanding conditions
  • Highly accurate measurements for reliable relay testing
  • Compatible with Doble’s F Series software for intuitive operation
  • Compact and lightweight design for easy field use


  • Power utilities — The Doble F6150 is essential for testing protection relays and schemes in power utility companies. Its ability to simulate real-world power system conditions enables technicians to ensure the reliability and safety of power grids and distribution networks.
  • Renewable energy systems — In renewable energy facilities, such as solar or wind farms, the F6150 tests protective devices, ensuring they respond correctly to faults or fluctuations. This is crucial for maintaining continuous, safe operations in these dynamically changing power generation environments.
  • Industrial plant maintenance — The device is used in industrial settings for periodic testing of protective relays. This ensures the electrical systems that safeguard critical machinery and processes function correctly, preventing costly downtime and equipment damage.
  • Electrical equipment manufacturers — Companies use the F6150 to test new protective relays or systems under simulated real-world conditions. This helps guarantee product quality and compliance with safety standards before they reach the market.
  • Educational and training institutions — The Doble F6150 is also used in educational settings for training future engineers and technicians. Its comprehensive testing capabilities provide hands-on experience with a wide range of protective relay testing scenarios, preparing students for real-world challenges.

Rent the Doble F6150 from Brandis Hire today

Brandis Hire, Australia’s leading technical equipment hire company, makes equipment lease simple and efficient. We stand out with our commitment to exceptional customer service, including 4 hours of free technical support with every hire. Our flexible terms, coupled with a commitment to only charging for the actual rental period, ensure you get the most value for your project. To rent the Doble F6150, submit a booking request or contact us directly for more information. We’re ready to assist with all your equipment needs and guarantee your project’s success.


Why choose the Doble F6150?

Choosing the Doble F6150 for protective relay testing gives you versatility and precision. Unlike other testers, the F6150e stands out for its capability to handle a comprehensive range of tests, from the simplest to the most intricate, ensuring thorough system validation. Its advanced digital signal processing and robust power amplifiers enable precise assessment of relay performance under various scenarios. This equipment is ideal for those seeking a reliable, all-in-one solution for both routine and complex protection system evaluations — offering unmatched accuracy and adaptability in its class.

What other secondary injection testing equipment do you offer for hire?

Brandis Hire offers a diverse range of secondary injection testing equipment to meet various testing needs. From universal testing systems and specialised accessories to testing laptops, we provide tools to ensure precise and efficient testing. Some of the devices we offer are:

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