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CJ1W-NC271 CJ1W0321C...
Module positioner 2-axis (ML-II) CJ1
SP
In the realm of low-voltage electrical distribution and industrial automation, the SP category encompasses a range of single-pole (1P) modular devices designed for branch circuit protection and switching. These components, often referred to as miniature circuit breakers (MCBs) or single-pole switches in various global markets, are rated for nomi...
In the realm of low-voltage electrical distribution and industrial automation, the SP category encompasses a range of single-pole (1P) modular devices designed for branch circuit protection and switching. These components, often referred to as miniature circuit breakers (MCBs) or single-pole switches in various global markets, are rated for nominal currents typically from 6A to 63A, with breaking capacities up to 10kA per IEC 60898 standards. They operate at voltages up to 240V AC or 48V DC, featuring thermal-magnetic trip mechanisms for overload and short-circuit protection. The SP designation indicates a single protected pole, making them ideal for phase-specific applications in single-phase systems or as individual branch protectors in three-phase panels.
These devices are predominantly installed in distribution boards (DBs), consumer units, and control panels across residential, commercial, and light industrial settings. Common applications include lighting circuits, socket outlets, HVAC controls, and small motor protection. In automation environments, SP MCBs serve as backup protection for PLC power supplies, sensor circuits, and relay outputs. Their compact modular design (typically 18mm per pole) allows for high-density mounting on DIN rails, facilitating efficient space utilization in crowded enclosures.
Key subcategories within SP include standard MCBs (e.g., code SP-6A to SP-63A), high-breaking capacity variants (SP-HB up to 15kA), and selective types for coordination studies. The article code structure typically follows SP-[Current][BreakingCapacity], such as SP-16A-6kA or SP-32A-10kA. Popular models cover 1P, 1P+N configurations with neutral switching, and versions with auxiliary contacts (SP-AUX) for remote status indication. These are complemented by accessories like shunt trips (SP-ST) and undervoltage releases (SP-UVR) for enhanced system control.
Partnering with Electric Automation Network ensures access to genuine SP components with real-time pricing and up to 65% discount compared to traditional distributors. Our engineering team provides tailored technical support for selection, coordination studies, and compliance with local standards. With express worldwide shipping and comprehensive documentation including datasheets and CAD models, we streamline procurement for maintenance, repair, and operations (MRO) as well as new installations.
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