The 4M200/4M220 Test Block and Test Plug System

The 4M200/4M220 Test Block and Test Plug System provides safe and convenient isolation and access to electrical protection and control schemes for commissioning and maintenance injection testing.
Compatible with industry standard 14 circuit test blocks and plugs employed in the power utility and electricity industry sectors (MMLG, 2RMLG, MMLB, 2RMLB and 7XG22).
Complies with relevant IEC 60255 standards, each circuit is capable of 20A continuous current and short time withstand of 400A for 1 sec.
Incorporates ‘finger safe’ test sockets compatible with shrouded 4mm banana leads. Available with automatic CT shorting test plugs. Simple and easy to use and proudly Made in Australia.