Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
официальный партнер Сименс
Каталог СА01 2017
архивный
(4872) 700-366
skenergo@mail.ru

SIRIUS 3SK safety relays
General
  • Approved for all safety applications because of its compliance with the highest safety requirements (SIL 3 and PL e)
  • Universally usable thanks to adjustable parameters
  • Usable worldwide thanks to globally valid certificates
  • Compact SIRIUS design
  • Device connectors with standard rail mounting for flexible connectability and expandability
  • Removable terminals for greater plant availability
  • Yellow terminal covers clearly identify the device as a safety component.
  • Sensor cable length up to 2 000 m allows it to be used in plants covering large areas
Relay outputs
  • Different voltages can be switched through the floating contacts
  • Currents up to 5 A can be switched with relay contacts (AC-15/DC-13)
Semiconductor outputs
  • Wear-free
  • Suitable for operation in fast switching applications
  • Insensitive to vibrations and dirt
  • Good electrical endurance
Power outputs (3SK1213 output expansion)
  • Different voltages can be switched through the floating contacts
  • With the power relay contacts currents up to 10 A AC-15/6 A DC-13 can be switched.
  • High mechanical and electrical endurance
  • Protective separation between safe outputs and electronics
Can be expanded by adding the 3RM1 motor starter

SIRIUS 3SK safety relays are ideal for combining with SIRIUS 3RM1 motor starters.

Combinations are made by means of

  • SIRIUS 3ZY12 device connectors (in combination with 3SK1 Advanced/3SK2) or
  • Conventional wiring (for all 3SK1 and 3SK2 basic units)

This makes collective shutdown very easy in assemblies. The wiring, and ultimately the shutting down of the control supply voltage for the expansion components in EMERGENCY-STOP situations, is performed via the device connector. There is no further need for complex looping of the connecting cables between the safety relay and the motor starters.

The 3RM1 motor starter combines the benefits of semiconductor technology and relay technology. This combination is also known as hybrid technology.

The hybrid technology in the motor starter is characterized by the following features:

  • The inrush current in the case of motorized loads is routed briefly via the semiconductors. Advantages include protection of the relay contacts and a long service life due to low wear.
  • The uninterrupted current is conducted via relay contacts. Advantages include lower heat losses compared with the semiconductor.
  • Shutdown is implemented again via the semiconductor. The contacts are only slightly exposed to arcs, and this results in a longer service life.
  • Integrated overload protection

Note:

For SIRIUS 3RM1 motor starters, see "Load Feeders and Motor Starters for Use in Switchgear Cabinets" > "SIRIUS 3RM1 Motor Starters".

3ZY12 device connectors

Using 3ZY12 device connectors to combine devices reduces the time required to configure and wire the components. At the same time errors are avoided during wiring, and this considerably reduces the testing required for the fully-assembled application.

Configuration and stock keeping

Variable setting options by means of DIP switches or software, a wide voltage range (3SK1111) and a special power supply unit (3SK1 only) reduce the cost of spare parts storage and simplify the considerations during configuration with regard to the evaluation units to be selected.

















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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

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