Motor starter protectors with a rotary operating mechanism can be mounted in a control cabinet and operated externally by means of a door-coupling rotary operating mechanism. When the cabinet door with motor starter protector is closed, the operating mechanism is coupled. When the motor starter protector closes, the coupling is locked which prevents the door from being opened unintentionally. This interlock can be defeated by the maintenance personnel. In the OPEN position, the rotary operating mechanism can be secured against reclosing with up to three padlocks. Inadvertent opening of the door is not possible in this case either.
SIRIUS 3RV2926?2B door-coupling rotary operating mechanism for arduous conditions
Remote motorized operating mechanisms
3RV1 motor starter protectors are manually operated controls. They automatically trip in the event of an overload or short-circuit. Intentional remote-controlled tripping is possible by means of a shunt release or an undervoltage release. Reclosing is only possible directly at the motor starter protector.
The remote motorized operating mechanism allows the motor starter protectors to be opened and closed by electrical commands. This enables a load or an installation to be isolated from the network or reconnected to it from an operator panel.
If the motor starter protector is tripped as a result of overload or short-circuit, it will be in tripped position. For reclosing, the remote motorized operating mechanism must first be set manually or electrically to the 0 position (electrically by means of the Open command). Then it can be reclosed.
The remote motorized operating mechanism is available for motor starter protectors of size S2 (In max = 50 A) and S3 (In max = 100 A) that are designed for control voltages of 230 V AC and 24 V DC. The motor starter protector is fitted into the remote motorized operating mechanism as shown in the drawing.
In the "MANUAL" position, the motor starter protector in the remote motorized operating mechanism can continue to be switched manually on site. In the "AUTOMATIC" position, the motor starter protector/circuit breaker is switched by means of electrical commands. The switching command must be applied for a minimum of 100 ms. The remote motorized operating mechanism closes the motor starter protector/circuit breaker after a maximum of 1 s. On voltage failure during the switching operation it is ensured that the motor starter protector/circuit breaker remains in the "OPEN" or "CLOSED" position. In the "MANUAL" and "OFF" position, the remote motorized operating mechanism can be locked with a padlock.
RESET function
The RESET button on the motorized operating mechanism serves to reset any 3RV1921?1M signaling switch that might be installed.
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Арматура DENDOR
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Датчики и измерители
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Регуляторы и регистраторы
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Пневматическое оборудование
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Краны и Клапаны
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Измерительные приборы
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Системы беспроводного управления «умный дом»
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Бесконтактные выключатели Конечные выключатели Оптические датчики Энкодеры
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SKW-FS - Установка умягчения
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SKW-FK - Установка обезжелезивания