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United Kingdom
Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devices mean you are always on the safe side. Apart from that you benefit from the innovative mounting options which enable quick and easy installation. The miniature circuit breakers from Siemens can be combined as required with a wide range of supplementary components e.g. control current switches, fault signal contacts, shunt releases, under voltage releases, remote operating mechanisms or with RCCB units to provide protection for persons and against fire. Features and Benefits Automatic cut-out, 1, 2,3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Supports fast and convenient removal from the assembly Standards IEC 60898 - Relates to Low Voltage Circuit Breakers for use in household and similar Installations. In the UK traditionally known as miniature circuit breakers (MCBs). Q: What is the differences in the Tripping Curves B, C, and D? A: Curve B: Tripping: 3 to 5 times the rated current. Applications: protection of generators, persons, very long cables Curve C: Tripping: 5 to 10 times the rated current Applications: protection of circuits and general applications Curve D: Tripping: 10 to 14 times the rated current Applications: protection of high surge circuits, welders, transformers and motors Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Standards EN 60898; DIN VDE 0641; part 11; IEC 60898 Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making i...
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