{"id":29564,"date":"2025-12-05T08:58:35","date_gmt":"2025-12-05T08:58:35","guid":{"rendered":"https:\/\/swgct.net\/?post_type=product&p=29564"},"modified":"2025-12-05T08:58:35","modified_gmt":"2025-12-05T08:58:35","slug":"29564","status":"publish","type":"product","link":"https:\/\/swgct.net\/de\/produkt\/29564\/","title":{"rendered":""},"content":{"rendered":"

Introduction<\/strong>
\nIn modern electrical distribution systems where reliability meets scalability, the 1250A Universal Power Circuit Breaker stands as a versatile and intelligent solution. Designed as the workhorse for main power distribution, this breaker combines substantial interrupting capacity with advanced electronic protection in a single, robust package. It serves as the critical protection point for transformer secondaries, main distribution panels, and large-capacity feeders, ensuring system integrity and operational continuity for factories, large commercial complexes, and municipal infrastructure.<\/p>\n

Core Capabilities & Advantages<\/strong><\/p>\n

1. Robust Protection Performance<\/strong>
\nFeature:<\/em>\u00a0Engineered with a reliable magnetic blowout arc quenching system and fast-operating mechanism, achieving an interrupting capacity (Icu) of 85kA at 400V. Features adjustable thermal-magnetic or advanced electronic protection functions.
\nBenefit:<\/em>\u00a0Provides dependable defense against overloads and short-circuits<\/strong>, protecting valuable downstream equipment and preventing widespread system downtime. The high breaking capacity ensures it can handle the fault levels present in modern power networks.<\/p>\n

2. Intelligent Electronic Trip Unit<\/strong>
\nFeature:<\/em>\u00a0Equipped with a user-configurable digital trip unit that provides precise long-time, short-time, and instantaneous protection settings. Basic models include load current monitoring, while advanced versions offer energy metering (kWh) and event logging.
\nBenefit:<\/em>\u00a0Enables customized protection coordination<\/strong>\u00a0with downstream devices, improving system selectivity. The metering functionality provides valuable operational data without requiring additional meters.<\/p>\n

3. Operational Flexibility & Safety<\/strong>
\nFeature:<\/em>\u00a0Available in both fixed and draw-out designs. The draw-out version features clear “Connected-Test-Isolated” positions with mechanical interlocks to ensure safe racking operations.
\nBenefit:<\/em>\u00a0Simplifies maintenance and testing procedures.<\/strong>\u00a0The draw-out design allows for quick isolation and inspection without disturbing main bus connections, minimizing system downtime during servicing.<\/p>\n

4. Connectivity & System Integration<\/strong>
\nFeature:<\/em>\u00a0Offers optional communication modules supporting industry-standard protocols like Modbus RTU over RS485. This enables integration with building management systems (BMS) or supervisory control systems.
\nBenefit:<\/em>\u00a0Brings basic smart grid functionality<\/strong>\u00a0to your distribution system, allowing for remote status monitoring, alarm management, and data collection for energy analysis.<\/p>\n

Technical Specifications<\/strong><\/p>\n

\n
\n
\"\"<\/div>\n
<\/div>\n<\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Frame Size<\/strong><\/td>\n1250A<\/td>\n<\/tr>\n
Rated Current (In)<\/strong><\/td>\nAdjustable 400-1250A<\/td>\n<\/tr>\n
Breaking Capacity (Icu)<\/strong><\/td>\n85kA at 400V AC, 50Hz<\/td>\n<\/tr>\n
Rated Operational Voltage (Ue)<\/strong><\/td>\n400\/690V AC<\/td>\n<\/tr>\n
Number of Poles<\/strong><\/td>\n3P or 4P<\/td>\n<\/tr>\n
Trip Unit Type<\/strong><\/td>\nElectronic (Standard) \/ Advanced (Optional with metering)<\/td>\n<\/tr>\n
Protection Functions<\/strong><\/td>\nL, S, I, G (Ground fault optional)<\/td>\n<\/tr>\n
Communication<\/strong><\/td>\nOptional Modbus RTU (RS485)<\/td>\n<\/tr>\n
Mechanical Life<\/strong><\/td>\n10,000 operations (draw-out mechanism)<\/td>\n<\/tr>\n
Standards Compliance<\/strong><\/td>\nIEC 60947-2, GB 14048.2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Primary Applications<\/strong><\/p>\n

\u2022\u00a0Main Incoming Protection:<\/strong>\u00a0Primary circuit protection for 1000-1600kVA transformer secondaries.
\n\u2022\u00a0Bus Tie Applications:<\/strong>\u00a0Sectionalizing switchgear in dual-fed systems for improved supply availability.
\n\u2022\u00a0Large Feeder Protection:<\/strong>\u00a0For high-capacity loads such as central chillers, large motor groups, or production line power supplies.
\n\u2022\u00a0Commercial & Industrial Distribution:<\/strong>\u00a0Main distribution boards in shopping malls, hospitals, manufacturing plants, and water treatment facilities.<\/p>\n

Value Proposition<\/strong><\/p>\n

1. Balanced Performance & Cost Efficiency<\/strong>
\nOffers the essential features required for reliable main distribution protection at a competitive price point, delivering excellent value for medium to large-scale projects.<\/p>\n

2. Simplified System Management<\/strong>
\nThe combination of adjustable protection settings, basic monitoring, and optional communication provides valuable system insight without complex implementation.<\/p>\n

3. Proven Reliability & Serviceability<\/strong>
\nBuilt with durable components and designed for straightforward maintenance, ensuring long-term reliability and reduced total cost of ownership through extended service intervals.<\/p>\n

Installation & Support<\/strong><\/p>\n

Professional Configuration Recommended:<\/strong>\u00a0Proper coordination study and settings adjustment by qualified personnel are advised to optimize system performance.<\/p>\n

Comprehensive Documentation:<\/strong>\u00a0Detailed installation manuals, application guides, and technical specifications are provided to support proper deployment.<\/p>\n

Service Network:<\/strong>\u00a0Backed by accessible technical support and available spare parts to ensure continued operation throughout the product lifecycle.<\/p>","protected":false},"excerpt":{"rendered":"

Overview:<\/strong>
\nThe 1250A Universal Power Circuit Breaker (UPCB) delivers robust protection and intelligent control for medium to large-scale power distribution systems. With a high breaking capacity and integrated digital trip unit, it efficiently safeguards main feeders, bus ties, and critical loads in industrial plants, commercial buildings, and infrastructure projects. Its draw-out design ensures easy maintenance and operational safety.<\/p>\n

Key Features:<\/strong>
\n\u2022\u00a0High Breaking Capacity:<\/strong>\u00a0Up to 85kA Icu at 400V for reliable fault protection.
\n\u2022\u00a0Smart Protection:<\/strong>\u00a0Digital microprocessor trip unit with adjustable settings and metering.
\n\u2022\u00a0Flexible Installation:<\/strong>\u00a0Fixed or draw-out versions available.
\n\u2022\u00a0Essential Communication:<\/strong>\u00a0Optional communication module for remote monitoring (Modbus).
\n\u2022\u00a0Compact & Durable:<\/strong>\u00a0Robust construction for long service life in demanding environments.<\/p>","protected":false},"featured_media":29549,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[70],"product_tag":[114],"class_list":{"0":"post-29564","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-circuit-breaker","7":"product_tag-circuit-breaker","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"yoast_head":"\n- Swgct<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/swgct.net\/de\/produkt\/29564\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Overview: The 1250A Universal Power Circuit Breaker (UPCB) delivers robust protection and intelligent control for medium to large-scale power distribution systems. 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