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MSP
In the realm of low-voltage power distribution and motor control, the MSP series represents a category of molded case circuit breakers (MCCBs) designed for reliable overcurrent protection and switching isolation. These devices are characterized by their compact, insulated enclosures that house thermal-magnetic or electronic trip units, offering ...
In the realm of low-voltage power distribution and motor control, the MSP series represents a category of molded case circuit breakers (MCCBs) designed for reliable overcurrent protection and switching isolation. These devices are characterized by their compact, insulated enclosures that house thermal-magnetic or electronic trip units, offering adjustable current ratings typically ranging from 16A to 1600A, with breaking capacities up to 100kA at 415V AC. The MSP line includes variants with 3-pole (3P) and 4-pole (4P) configurations, suitable for both fixed and plug-in mounting in distribution panels. Key technical parameters include rated operational voltage (Ue) up to 690V AC, rated insulation voltage (Ui) of 800V, and impulse withstand voltage (Uimp) of 8kV. These breakers are often equipped with auxiliary contacts, shunt trips, and undervoltage releases for enhanced control and monitoring in automated systems.
MSP circuit breakers are predominantly deployed in industrial switchboards, commercial building distribution boards, and motor control centers (MCCs). They serve critical roles in protecting cables, transformers, and motors against short circuits and overloads in sectors such as manufacturing, data centers, renewable energy installations, and infrastructure projects. Their robust design makes them ideal for environments requiring high fault current handling and selective coordination, such as in main distribution panels (MDPs) and sub-distribution boards.
The MSP category encompasses several subcategories including fixed type MCCBs, draw-out type units, and electronic trip versions. Key article codes follow a structured naming convention: for example, MSP-100-3P-50kA indicates a 100A frame, 3-pole breaker with 50kA breaking capacity. Other common codes include MSP-250-4P-65kA and MSP-630-3P-85kA, with suffixes denoting trip unit type (e.g., -T for thermal-magnetic, -E for electronic). Accessories like rotary handles, terminal shields, and busbar connectors are also available under specific part numbers.
Partnering with Electric Automation Network ensures access to genuine MSP breakers at competitive prices with up to 65% discount off list. Our engineers provide personalized technical support for trip curve selection, coordination studies, and installation guidance. Benefit from real-time pricing, detailed technical documentation per article, and express worldwide shipping to keep your projects on schedule.
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