The MMLZ range of modules consists of various non-protective devices that have been accommodated in standard Midos cases. The modules, each of which has been designed for a specific purpose, are fully compatible with the Midos range.

MMLZ Models:

• 31 Test Module – remains available

Sales of the following MMLZ models have been discontinued:

• 02 Blocking Test Module
• 06 High Impedance Busbar Switch Module - As an alternative, please use customer configurable function keys in P14N 30/40 TE and P145
• 07 Channel Test Switch Module
• 20 TPS Channel Test Switch
• 23 Channel Test Switch – Triangulated Intertrip 
• 25 Intertrip Test Module for 4-wire Interface
• 30 Test Switch Module for Cascade Intertripping