External Amplifiers

High Power Protective Relay Testing

Choose from Doble’s F6300e and F6350e External Amplifiers for your specific protection testing needs and requirements.

These amplifiers are useful in high power protection testing applications when you need additional current and/or voltage sources, for critical high burden relay testing, as well as system modeling.

When used in combination with Doble’s Protection Suite software, you will have the ultimate flexibility to test complex schemes. These amplifiers also offer the industry’s most current sources in one piece of equipment.