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Load Break Switch

ABB’s extensive range of load break switches includes a wide variety of products such as switch disconnectors without fuses, switch disconnectors with fuses, transfer switches, automatic transfer switches, bypass switches, cam switches, and fuses. Designed for power distribution across a broad spectrum of applications – from residential buildings to industrial facilities, from HVAC systems to water pumping stations, data centers, and photovoltaic installations – ABB load break switches and disconnectors ensure safe and efficient power management.

Efficient Space-Saving

Precise and High Performance

Enhanced Protection

Our Products

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Manual Load Break Switches

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Motorisierte Lasttrennschalter

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Sicherungslasttrennschalter

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Sicherungslasttrennschalter

ABB’s OS range includes manual fused load break switches from 20 to 1250 amperes, supporting a wide variety of fuse types: DIN, BS, NFC, CC, JJ, and L types. These load break switches deliver top-class performance in demanding applications. The knife-contact design ensures fast fault clearing and maintains the protection level even after a fault occurs. In addition, they are self-cleaning and maintenance-free.

Thanks to their modular design, mechanisms and shafts can be positioned flexibly to meet installation requirements, saving up to 50% installation time. Lockable fuse covers prevent opening while the switch is in the ON position and fully isolate the fuse links when in the OFF position. Furthermore, tested Type 2 coordination tables for motor protection allow for quick and easy selection of ABB motor protection devices, accelerating your projects

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Motorisierte Lasttrennschalter

Die Motorschutzschalter von ABB sind für den Fernbetrieb über einen weiten Strombereich von 40 bis 4000 Ampere ausgelegt. Diese Geräte sind mit verschiedenen Sicherheitsfunktionen ausgestattet, beispielsweise mit IP20-Fingerschutzsystemen. Alle Kontakte sind gut sichtbar, so dass die Positionsanzeige eindeutig und zuverlässig ist. Es ist außerdem mit einem Griff für den manuellen Einsatz in Notsituationen ausgestattet, und die Griffe können zur Gewährleistung der Sicherheit verriegelt werden. Die motorisierten Leistungsschalter von ABB wurden gemäß der Norm IEC 60947 getestet, um eine hohe Leistung in Anwendungen zu gewährleisten, die eine Fernbedienung erfordern. Darüber hinaus ist es mit hochbeständigen Isoliermaterialien ausgestattet, die auch unter rauen Bedingungen Zuverlässigkeit bieten und das Risiko von Blitzlichtbögen verringern.

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Manuelle Lasttrennschalter

ABB’s high-performance compact solutions ensure reliable power distribution even under harsh conditions. These load break switches require virtually no maintenance throughout their long service life and guarantee durability through testing in accordance with IEC60947-3, UL508, UL98, and CSA standards.

In addition, these solutions save space and allow for easy installation. Thanks to their modular design, 2-, 3-, and 4-pole installations can be configured in various positions, while adjustable shafts, mounting feet, and other features reduce installation time and cost. Horizontal, vertical, and ceiling mounting increase installation flexibility, while plug-in auxiliary contacts and terminal covers simplify assembly.

These solutions are ideal for those who want to manage their power distribution reliably and efficiently

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