PP21-0-17.5-OA-S

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Circuit breakers play a vital role in the safe and reliable operation of electrical systems. The PP21-0-17.5-OA-S is a type of circuit breaker designed for use in medium and high voltage applications. It is designed to be used in medium and high voltage systems ranging from 3.3kV to 17.5kV AC and 320V DC. This circuit breaker is available in three standard configurations: ground-mount, line-mount and panel-mount.

The PP21-0-17.5-OA-S is designed to activate upon the detection of a fault, such as an overload or short circuit. When the fault is detected, the breaker will trip, causing an interruption in the electrical supply to the affected circuit. The PP21-0-17.5-OA-S is capable of handling fault currents up to 60kA. The breaker is also designed to reset and reset itself once the fault has been cleared. This ensures that the electrical supply can be restored quickly and safely after a fault has occurred.

The PP21-0-17.5-OA-S is also designed to provide protection against thermal overloads. Thermal overloads occur when the electrical load is too large for the system to safely handle. To protect against such overloads, the PP21-0-17.5-OA-S utilizes thermal overload relays which monitor the system’s temperature. If the temperature exceeds a preset value, the breaker trips to prevent further damage to the system.

In addition to the functions described above, the PP21-0-17.5-OA-S is also designed to provide protection against arc flash hazards. Arc flash hazards are a result of electrical arcs that form during certain types of faults. Arc faults can cause serious injury or death to workers in the vicinity of the fault. To protect against such hazards, the PP21-0-17.5-OA-S is equipped with an arc flash detection system. This system detects the presence of an arc fault and, in response, trips the breaker to interrupt the electrical supply to the affected circuit.

The PP21-0-17.5-OA-S is a reliable piece of equipment that is designed to provide reliable protection for medium and high voltage systems. It is designed to quickly and safely trip the breaker upon the detection of a fault and to reset itself once the fault has been cleared. The breaker is also designed to provide protection against thermal overloads and arc flash hazards. With the PP21-0-17.5-OA-S, operators can be sure that their electrical systems are secure and able to handle the electrical load.

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