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MODULAR COMPLEMENTS
Modular Complements: Essential Accessories for DIN Rail Electrical Distribution
Modular complements are a family of auxiliary devices designed to work alongside modular DIN rail mounted equipment such as miniature circuit breakers (MCBs), residual current devices (RCDs), and contactors. These components include auxiliary contacts, shunt trips, un...
Modular Complements: Essential Accessories for DIN Rail Electrical Distribution
Modular complements are a family of auxiliary devices designed to work alongside modular DIN rail mounted equipment such as miniature circuit breakers (MCBs), residual current devices (RCDs), and contactors. These components include auxiliary contacts, shunt trips, undervoltage releases, motor operators, and busbar systems. They are typically rated for operational voltages up to 400V AC and currents up to 63A, with mechanical endurance exceeding 10,000 cycles. Their compact design, usually occupying 1 to 4 modular units (17.5mm each), allows seamless integration into standard electrical panels. In some markets, these are referred to as modular accessories, DIN rail auxiliaries, or panel building components.
These products are primarily used in electrical distribution boards, industrial control panels, and building automation systems. Common applications include remote tripping of circuit breakers via shunt trips, signaling circuit status through auxiliary contacts, and automatic disconnection using undervoltage releases. They are essential in commercial buildings, industrial facilities, and residential complexes where centralized power management and safety are required. Sectors such as HVAC, lighting control, and motor control centers rely heavily on these modular complements for efficient operation.
Key subcategories include auxiliary contact blocks (e.g., LE13-11, LE13-20), shunt trips (e.g., LE13-MX), undervoltage releases (LE13-MN), and motor operators (LE13-MO). The article code structure typically follows the pattern "LE13-XX", where the suffix indicates the function (e.g., 11 for 1NO+1NC contacts, MX for shunt trip). Busbar systems and connection accessories are also available to streamline wiring in dense panels.
At Electric Automation Network, we offer real-time pricing, detailed technical documentation for each article, and express worldwide shipping. Our team of specialized engineers provides personalized technical support to help you select the right modular complements for your specific application, ensuring compatibility and optimal performance in your electrical installation.
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