The MMLB 01 is a multi-finger test plug for MMLG test blocks, featuring 28 x 4 mm shrouded sockets to enable safe secondary injection testing without disturbing protection scheme wiring.
Enviromental Strength
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Long Product Lifespan: Launched in 1983 with over 500,000 units delivered, demonstrating proven long-term reliability and reduced electronic waste.
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Durable Mechanical Design: Built with robust materials to withstand repeated insertion and removal cycles in harsh substation environments.
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Enhanced Safety Features: Uses retractable shrouded plugs and insulated crimp terminations to minimize exposure hazards during testing.
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Service Life Extension: Supports legacy systems with consistent form factor (Midos size 2), avoiding unnecessary panel replacements.
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Low Maintenance Requirement: Visual inspection of insulation and shorting links ensures continued safe operation without complex servicing.
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Compliance with Standards: Designed with terminals accepting BS5057 snap-on connectors and reinforced insulation for reliable performance.
FAQ
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