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

3RA1445-8XC21-1AC2

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Заказной номерВесPGОписание продуктаЦена
3RA1445-8XC21-1AC25.8341BКОНТАКТОРНАЯ СБОРКА ДЛЯ ПУСКА ПО СХЕМЕ ЗВЕЗДА-ТРЕУГОЛЬНИК, РЕЛЕ ВРЕМЕНИ УСТАНОВЛЕНО СБОКУ, AC-3 75КВТ/400V, 3-ПОЛЮСА, ТИПОРАЗМЕР S3, S2, ЭЛ. БЛКОРИВКА, ВИНТОВЫЕ КЛЕММЫ, AC 24V, 50/60ГЦПо запросу

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The 3RA14 contactor assemblies for star-delta (wye-delta) starting in sizes S00 to S3 can be ordered as follows:

  • Fully wired and tested, with electrical interlock, reversing time up to 10В s (sizeВ S00 with electrical and mechanical interlocks)
  • All individual parts for customer assembly, see "Accessories and Spare Parts" в†’ "for SIRIUS 3RT1 Contactors and SIRIUS 3RH1 Contactor Relays".

The 3RA14 contactor assemblies for star-delta (wye-delta) starting have screw terminals and are suitable for screw and snap-on mounting onto THВ 35 standard mounting rails. They are designed for standard applications.

Note:

Contactor assemblies for star-delta (wye-delta) starting in special applications such as very heavy starting1) or star-delta (wye-delta) starting of special motors must be customized. Help with designing such special applications is available from our Technical Assistance,
Tel.: +49 (911) 895-5900
Email: technical-assistance@siemens.com.

1) For effective support from Technical Assistance you must provide the following details:
- Rated motor voltage,
- Rated motor current,
- Service factor, operating values
- Motor starting current factor
- Starting time,
- Ambient temperature.

Complete units

Fully wired and tested 3RA14В contactor assemblies for star-delta (wye-delta) starting have one unassigned NO contact which is mounted onto the front of the Q3 delta contactor.

A solid-state time-delay auxiliary switch block is snapped onto the front of the complete contactor assemblies for star-delta (wye-delta) starting, sizeВ S00 up to 7.5В kW, while a timing relay is mounted onto the side of sizesВ S0 to S3, 11В kW to 75В kW. A dead interval of 50В ms on reversing is integrated into the time relay function.

Rated data at 50В Hz 400В V AC

Size

Type

Rating P

Operational current Ie

Motor current

Line/delta contactor

Star contactor

Fully-wired and tested contactor assemblies for star-delta (wye-delta) starting

kW

A

A

5.5

12

9.5 ... 13.8

S00-S00-S00

3RT1015

3RT1015

3RA1415-8XB31-1. . .

7.5

17

12.1 ... 17

3RT1017

3RA1416-8XB31-1. . .

11

25

19 ... 25

S0-S0-S0

3RT1024

3RT1024

3RA1423-8XC21-1. . .

15

32

24.1 ... 34

3RT1026

3RA1425-8XC21-1. . .

18.5

40

34.5 ... 40

22

50

31 ... 43

S2-S2-S0

3RT1034

3RT1026

3RA1434-8XC21-1. . .

30

50

48.3 … 65

--

37

80

62.1 ... 77.8

S2-S2-S2

3RT1034

3RT1034

3RA1435-8XC21-1. . .

45

86

69 ... 86

3RT1036

3RA1436-8XC21-1. . .

55

115

77.6 ... 108.6

S3-S3-S2

3RT1044

3RT1035

3RA1444-8XC21-1. . .

75

150

120.7 ... 150

3RT1045

3RT1036

3RA1445-8XC21-1. . .



Surge suppression

All contactor assemblies for star-delta (wye-delta) starting can be fitted with RC elements, varistors or diode assemblies for damping opening surges in the coil. As with the individual contactors, the surge suppressors can either be plugged onto the top of the contactors (S00) or fitted onto the coil terminals on the top or bottom (S0 to S3).

Motor protection

3RB2 overload relays (see "Protection Devices"), SIMOCODE pro 3UF7 motor management and control devices (see "Monitoring and Control Devices") or 3RN thermistor motor protection evaluation devices (see "Monitoring and Control Devices" в†’ "Relays") can be used as overload protection. The overload relay can be either mounted onto the line contactor or separately fitted. It must be set to 0.58 times the rated motor current.

Fully wired and tested contactor assemblies for star-delta (wye-delta) starting В· Size S00-S00-S00 В· Up to 7.5 kW

Complete contactor assemblies for star-delta (wye-delta) starting, see Ordering data.

Fully wired and tested contactor assemblies for star-delta (wye-delta) starting В· Size S0-S0-S0 В· Up to 18.5В kW

Complete contactor assemblies for star-delta (wye-delta) starting, see Ordering data.

Fully wired and tested contactor assemblies for star-delta (wye-delta) starting В· Size S2-S2-S0 В· Up to 30В kW

Complete contactor assemblies for star-delta (wye-delta) starting, see Ordering data.

Fully wired and tested contactor assemblies for star-delta (wye-delta) starting В· Size S2-S2-S2 В· Up to 45В kW

Complete contactor assemblies for star-delta (wye-delta) starting, see Ordering data.

Fully wired and tested contactor assemblies for star-delta (wye-delta) starting В· Size S3-S3-S2 В· Up to 75В kW

Complete contactor assemblies for star-delta (wye-delta) starting, see 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
Каталог оборудования 2018
Siemens Industry Catalog Drive technology Automation technology Automation systems Operator control and monitoring systems SIMATIC HMI Identification systems Industrial communication Industrial controls Industrial Communication Switching devices Contactors and contactor assemblies Power contactors for switching motors Reversing contactor assemblies Contactor assemblies for star-delta (wye-delta) starting SIRIUS 3RA24 contactor assemblies for star-delta (wye-delta) starting up to 90 kW Contactor ass. for star-delta (wye-delta) starting consisting of SIRIUS 3RT contactors, up to 500 kW SIRIUS 3RA14 contactor assemblies for star-delta (wye-delta) starting up to 75 kW 3TE6 contactor assemblies for star-delta (wye-delta) starting Contactors for special applications Contactor relays Coupling relays Accessories and spare parts Soft starters and solid-state switching devices Protection Equipment Load feeders and motor starters Monitoring and control devices Safety Technology Position and Safety Switches Commanding and signaling devices Parameterization, Configuration and Visualization with SIRIUS SITOP power supply SIRIUS non-stabilized power supplies Transformers Filters Reactors Industry software PC-based Automation Process control systems Process instrumentation Process analytics SITOP power supply Products for specific requirements Energy Building Technologies Low-Voltage controls and distribution Safety Systems - Safety Integrated Market-specific solutions Industry Services Software ... and everything else you need




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