Page 6 - Essailec Test Blocks

Features and benefits

ESSAILEC is especially designed to fit the electricity utilities requirements for safe
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and reliable testing. The test operations can be made without any circuit break and
without opening the panel door.
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ESSAILEC is approved by major utilities and successfully implemented for years in
worldwide electricity production, transport and distribution networks.

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ESSAILEC operation principle Socket design

Make Break Closed Independent
before before make
break (Opened)

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ESSAILEC is based on a plug & play operation solution. The sockets are available in the following designs:
It is composed of a socket and a test plug. • Socket with "Make before break" contact design, available in the
The socket is installed in the circuit and wired to the device to be current, voltage, and RJ45 ranges
tested during its installation or servicing (protection relay in switch- • Socket with "Break before make" (opened) contact design, avail-
board or meters). able in voltage application
The plug is connected to the test set and allows measurement or • Socket with "Closed" contact design, available in voltage appli-
signal injection. cation
• Socket with "4 independent circuits" for voltage application.

1SNC169002S0201

INDUSTRIAL /// ENTRELEC - ESSAILEC TEST BLOCKS
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