Residual current circuit breakers (RCCB) switch off the power supply when dangerously high residual currents occur. In this way, they protect people, animals and systems. Devices in the DFS 4 series are compact four-pole residual current circuit breakers for single- or three-phase networks. In the standard version, they only take up four division units. The universal current sensitive switches detect smooth DC residual currents as well as all other residual currents in accordance with DIN VDE 0664-400. The HP (Heat Pump) variant was specially developed for protecting heat pumps. The protection level of the universal current sensitive residual current circuit breaker meets all the requirements of heat pump manufacturers. In addition, the HP-optimized short-time delay ensures increased system availability. With an airtight encapsulated trigger made of a special alloy and the stainless steel switch lock, residual current circuit breakers in HD design are particularly protected against corrosion, harmful gases, moisture and strong temperature fluctuations. Properties: Universal current sensitive for fault currents with frequencies and mixed frequencies from 0 Hz to 20 kHz, fire protection in accordance with VDE 0100-420, fully functional with mains voltages from at least 50 V AC on any two active conductors, high short-circuit strength, double-sided double-deck terminals for large conductor cross-sections and rail connection, switch position indicator, multi-function switch toggle with three positions: 'on', 'off', 'triggered', neutral conductor position as desired, mounting type: quick attachment to mounting rail, installation position as desired, feed preferably from above, areas of application: RCCBs of the HP variant are suitable for private, commercial and industrial installations with TN-S, TT and TN-CS systems in which heat pumps are used. Notes: suitable for use in 50 Hz alternating current networks, not suitable for use on the output side of controlled electrical equipment such as frequency converters.
Type: DFS4 040-4/0,03-HP HD
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Doepke residual current circuit breaker 4p 40 A 09134805HD - DFS4 040-4/0,03-HP HD
Doepke DFS4 040-4/0,03-HP HD Doepke residual current circuit breaker 4p 40 A 09134805HD
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