NLQ4125 Series Switches Models: NLQ4125/4P, NLQ4125/3P, NLQ4125/2P Key features and benefits Clear specification fit: Rated voltage 400V and rated current 100A makes these switches suitable for standard low voltage distribution and control circuits. Flexible pole options: Available in 2, 3, and 4 pole configurations to match singlephase and multiphase systems and simplify inventory. insulation capability: Insulation voltage 690V provides margin for reliable operation in industrial and commercial installations. Strong impulse tolerance: Rated impulse withstand voltage 690 helps the switch withstand transient electrical stresses. Practical performance: Designed for switching and line isolation tasks, reducing unnecessary downtime by providing straightforward manual switching. Switches to improve conversion rates. What this product does Acts as a manual switching device for power distribution and control circuits. It enables selection, isolation, and redistribution of electrical feeds in panels, control cabinets, and machinery interfaces. Compatible with common low voltage installations that require a 100A switching element at nominal 400V systems and insulation up to 690V. Important attributes Function: Manual switching and circuit isolation for power distribution and control. Compatibility: Models available to suit 2 pole, 3 pole, and 4 pole applications for singlephase and threephase systems. Size and model identification: NLQ4125 family, with model codes NLQ4125/2P, NLQ4125/3P, NLQ4125/4P for easy selection. Performance: Rated current 100A, rated voltage 400V, insulation voltage 690V, rated impulse withstand voltage 690. Construction: Engineered for reliable mechanical operation and stable electrical contact life in routine switching duties. Typical applications Industrial distribution panels and machine control panels where a 100A manual switch is required for feeding motor starters and subcircuits. Commercial building power distribution for isolating feeders and performing maintenance on sections of the distribution network. Renewable energy or inverter systems and battery storage arrays where selectable pole configurations help match system topology and allow safe isolation for service. Why choose this switch Straightforward model selection across 2, 3, and 4 pole variants reduces complexity during specification and installation. Clear electrical ratings make it easy to match to existing installations and equipment requirements. Durable design for steady operation in everyday switching tasks without overcomplicating installation and maintenance.