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

3TC4817-0LF4

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Заказной номерВесPGОписание продуктаЦена
3TC4817-0LF45.7КОНТАКТОР РАЗМЕР 2 2-ПОЛЮС. DC-3 И 5, 75A AT 750V ДОПОЛНИТЕЛЬНЫЕ КОНТАКТЫ 21 (2НО+1НЗ) ДИАПАЗОН УСТАВОК 0.7 ДO 1.25X US ПЕРЕКЛЮЧАЕМЫЙ С ВАРИСТОРОМ. DC РАБОТА КАТУШКА ПОСТ. ТОКА DC 110VПо запросу

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Standards

IEC/EN 60947‑4‑1

The contactors are finger-safe according to IECВ 60529 (exception: series resistor). Terminal covers may have to be fitted onto the connecting bars, depending on the configuration with other devices.

All specifications and technical specifications not mentioned here are identical to those of the standard 3TCВ contactors; see "Contactors for Special Applications" в†’ "3TC Contactors for Switching DC Voltage, 1 and 2-pole".

Ambient temperature

The permissible ambient temperature for operation of the contactors (across the full coil operating range) is -50 to +70В В°C. Uninterrupted duty at temperatures <В -25В В°C and >В +55 В°C reduces the mechanical endurance, the current carrying capacity of the conducting paths and the switching frequency.

At ambient temperatures >В 55 В°C, a clearance of 10 mm is required for side-by-side mounting of size 2 contactors. There is no need to reduce the technical specifications.

Ratings of three-phase motors

The quoted rating (in kW) refers to the output power on the motor shaft (according to the nameplate).

The power rating specifications of the contactors in kW are guide values for 4-pole standard motors at 50В Hz and specified voltage (e.g. 400В VВ AC). The actual starting and rated data of the motor to be switched must be considered when selecting the units.

Series resistor

The DC solenoid systems of the 3TCВ contactors must be modified (to hold-in coil) by means of a series resistor. This series resistor is supplied separately packed with the contactors.

With types 3TC48, the series resistor must be attached onto the right-hand side of the auxiliary switch block by means of the enclosed mounting parts and sets of links provided, while in the case of the 3TC44 it must be mounted and wired between the contactor poles. With types 3TC52 and 3TC56, the series resistor must be attached separately next to the contactors.

Auxiliary contacts

The contactors are equipped with two lateral auxiliary switch blocks each with 1В NO + 1В NC contact. Further auxiliary switch blocks cannot be fitted to the DC-operated contactors.

OneВ NC contact is required for the series resistor function. TwoВ NO contacts and oneВ NC contact are thus freely available.

Reversing contactors

With the 3TC52 and 3TC56 contactors, the series resistor must be connected using an additional K2 reversing contactor (3RT1317‑1F.40). This contactor is automatically included in the scope of supply in the same packaging as the contactor.

Dimensions

Attaching resistors and varistors increases the width of the contactors.

















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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 Contactors for special applications SIRIUS 3RT.4 contactors for resistive loads (AC-1), 3-pole SIRIUS 3RT23 contactors, 4-pole SIRIUS 3RT25 contactors, 4-pole, 2 NO + 2 NC SIRIUS 3RT26 contactors for capacitive loads (AC-6b), 3-pole SIRIUS 3RT13 contactors, 4-pole 3TK1 contactors for resistive loads (AC-1), 4-pole 3TK20 miniature contactors for resistive loads (AC-1), 4-pole SIRIUS 3RT14 contactors for resistive loads (AC-1), 3-pole SIRIUS 3RT15 contactors, 4-pole, 2 NO + 2 NC SIRIUS 3RT16 contactors for capacitive loads (AC-6b), 3-pole Contactors for railway applications SIRIUS 3RT contactors with extended application range, 3-pole SIRIUS 3RH2 contactor relays with extended operating range 3TH4 contactor relays, 8-pole 3TC contactors for switching DC voltage, 2-pole SIRIUS 3RT1 contactors with extended operating range, 3-pole SIRIUS 3RH1 contactor relays 3TC contactors for switching DC voltage, 1-pole and 2-pole 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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