ERMLG Test Block and ERMLB Test Plug
The test block allows for safe, straightforward testing of secondary equipment by isolating it completely from primary field components, minimizing risks to the user.
Applications
- The ERMLG Test Block provides facilities for secondary injection testing of any power system protection or metering scheme, when used with the multi-fingered test plug type ERMLB.
- It safely isolates the primary equipment and provides access to the protective relay inputs for secondary injection testing.
Main Features
- Suitable for various scheme configurations (available with 14, 18 and 28 contacts)
- Secure connection and safe isolation of primary equipment and trip circuits
- Horizontal and vertical mounting type
- Available with Manual or Automatic CT shorting
- Automatic DC auxiliary supply isolation
- Compact and economic design
- Finger safe test sockets