Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
официальный партнер Сименс
Каталог СА01 2018
(4872) 700-366
skenergo@mail.ru

3RN2010-1CW30

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Further information

В 

Home page, seeВ http://www.siemens.com/relays

For the conversion tool, e.g. from 3RN1 to 3RN2, seeВ http://www.siemens.com/sirius/conversion-tool

Industry Mall, seeВ http://www.siemens.com/product?3RN2

В 



Thermistor motor protection devices are used for direct monitoring of the motor winding temperature. For this purpose, the motors are equipped with temperature-dependent resistors (PTC) that are directly installed in the motor winding and abruptly change their resistance at their temperature limit.

Versions

SIRIUS 3RN2 thermistor motor protection relays are available in the following versions:

  • Compact trip units 3RN2000
  • Compact/standard trip units 3RN2010
  • Bistable trip units 3RN2012-.BW31
  • Standard trip units with ATEX approval 3RN2011, 3RN2012-...30, 3RN2013
  • Trip units with ATEX approval and 2 sensor circuits for warning and disconnection 3RN2023

They comply with

  • IECВ 60947-8. Low-voltage switchgear and controlgear – PartВ 8: "Control units for built-in thermal protection (PTC) for rotating electrical machines"
  • IECВ 61000-6-2, IECВ 61000-6-4. "Electromagnetic compatibility for industrial-process measurement and control equipment"

The 3RN2 thermistor motor protection relays with ATEX approval fulfill SIL1 in compliance with ENВ 50495.

The terminals of the auxiliary contacts are designated in accordance with ENВ 60947-1.

3RN2 evaluation units are suitable for snap-on mounting onto THВ 35 standard mounting rails according to IECВ 60715 or for screw fixing using an adapter (accessory).

Article No. scheme

Product versions

Article number

В 

Thermistor motor protection relay with PTC sensor, type A

3RN20

вќ‘

вќ‘

-

вќ‘

вќ‘

вќ‘

вќ‘

вќ‘

В 

Number and version of the sensor circuits

1 sensor circuit, supply voltage = root voltage

В 

0

В В В В В В В В 

1 sensor circuit

В 

1

В В В В В В В В 

2 sensor circuits for warning and tripping

В 

2

В В В В В В В В 

RESET

Auto RESET

В В 

0

В В В В В В В 

Manual RESET, with wire-break and short-circuit detection

В В 

1

В В В В В В В 

Manual/auto/remote RESET, non-volatile, with wire-break and short-circuit detection

В В 

2

В В В В В В В 

Manual/auto/remote RESET, non-volatile, with wire-break and short-circuit detection, with protective separation

В В 

3

В В В В В В В 

Connection method

Screw terminals

В В В В 

1

В В В В В 

Spring-type terminals

В В В В 

2

В В В В В 

Auxiliary switches

1В CO

В В В В В 

A

В В В В 

2В CO

В В В В В 

B

В В В В 

1В NOВ +В 1В NC

В В В В В 

C

В В В В 

1В NOВ +В 1В CO

В В В В В 

D

В В В В 

2 CO, hardВ gold-plated

В В В В В 

G

В В В В 

Rated control supply voltage

24В VВ AC/DC

В В В В В В 

A

3

В В 

24В ...В 240В VВ AC/DC

В В В В В В 

W

3

В В 

Response to failure

Monostable

В В В В В В В В 

0

В 

Bistable

В В В В В В В В 

1

В 

Example

В 

3RN2

0

0

-

1

A

A

3

0

В 


Note:

The article number scheme is presented here merely for information purposes and for better understanding of the logic behind the article numbers. For your orders please use the article numbers quoted in the selection and ordering data.

















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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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