Description：

MMLB01 is a multi-finger test plug. It is mainly produced by ALSTOM, GE Vernova or Schneider Electric. It is a crucial auxiliary device in the power protection system and is usually used in conjunction with the MMLG test junction box to conduct online tests of relays and instruments without interrupting the circuit.

Specification：

Frequently asked questions

Q1: What is the MMLB01 MMLG Test Block?

A1: The MMLB01 MMLG is an Alstom test block, used in protection and control systems for safe testing, isolation, and signal injection in electrical circuits.

Q2: What is the MMLB01 voltage rating?

A2: It supports up to 300 V AC or DC (continuous).

Q4: What is the MMLB01 socket configuration?

A4: It features 28 × 4 mm sockets, enabling flexible connection for testing and measurement.

Q5: What type of plugs are compatible?

A5: It is designed to accept 4 mm stackable plugs, commonly used in testing equipment.

Product Applications

Precision Control Field: Widely applied in modern industrial fields that require high-precision positioning.

CNC and Mechanical Manufacturing: Applied in the automatic control of CNC machinery, packaging machinery, textile machinery, food machinery, etc.

Automotive and Welding Industry: Used in automotive accessory production lines, welding and other  scenarios.

Other Industrial Control: Applicable to sections that require support from industrial control systems, such as precision printing.

Core functional features

Shape plug design: Equipped with 28 4mm sockets, supporting simultaneous testing of multiple circuits, enhancing maintenance efficiency.

Safety protection: Designed in accordance with finger protection standards (Finger-safe protection), preventing electric shock risks during live testing.

System compatibility: Often used as a testing tool for protection devices such as the MiCOM series (e.g. P743), achieving system optimization.

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