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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1045-1AP04 |
| Alternative Part Number | 3RT10451AP04 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contact Configuration | 3NO (3 Normally Open) |
| Rated Operational Current | 120 A (AC-1), 80 A (AC-3) |
| Rated Control Supply Voltage | 230 V ac |
| Frequency | 50 Hz |
| Size | S3 |
| Terminal Type | Screw Terminal |
| Number of Auxiliary Contacts | 2 NO + 2 NC (Normally Open + Normally Closed) |
| Insulation Voltage | Rated at 1,000 V |
| Degree of Pollution | 3 |
| Installation Altitude | Up to 2,000 m above sea level |
| Ambient Operating Temperature | -25 … +60 °C |
| Mechanical Operating Cycles | 10,000,000 for contactor, 5,000,000 for contactor with electronics-compatible auxiliary block |
| Protection Class IP | IP20 |
| Commodity Code | 853649 |
The Siemens 3RT1045-1AP04 is a robust power contactor designed to handle high current applications with ease. This contactor is part of the SIRIUS product family, renowned for its reliability and performance in industrial environments. With a 3-pole configuration and an operational current rating of AC-3 80 A, it is capable of managing 37 kW at 400 V, making it suitable for a wide range of applications.
Crafted for durability, the 3RT1045-1AP04 boasts an impressive mechanical service life, offering up to 10 million switching cycles. It features three normally open (NO) main contacts and is equipped with screw terminals for secure and straightforward installation. The contactor operates with a control supply voltage of 230 V AC at 50 Hz.
The device is engineered with user safety in mind, featuring an IP20 protection class on the front, ensuring protection against finger-sized objects and a degree of pollution of 3, which indicates a safe operation even in environments where conductive pollution occurs occasionally.
This power contactor is suitable for a variety of applications, including but not limited to motor control, switching heating loads, capacitors, lighting, and other electrical loads in industrial settings. Its compact size S3 design allows for efficient use of space inside control cabinets, while the screw terminal connection provides a reliable and maintenance-friendly electrical connection.
The Siemens 3RT1045-1AP04 is a testament to Siemens' commitment to quality, offering a dependable solution for controlling powerful electrical loads with precision and safety.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Frequently Asked Questions
What type of contactor is this?
This is a power contactor designed for switching an electrical power circuit, typically used in applications with higher current capacities.
What are the main specifications of this contactor?
The contactor is a 3-pole device with 3 normally open (NO) contacts, rated for AC-3 80 A, and 37 kW / 400 V. It operates with a control supply voltage of 230 V AC at 50 Hz.
Can this contactor be used for heavy-duty applications?
Yes, with its high current rating and robust design, it is well-suited for heavy-duty applications.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically around 10 million switching cycles.
What is the operating temperature range for this contactor?
The operating temperature range for this contactor is between -25°C to +60°C.
What is the insulation voltage rating for this contactor?
The insulation voltage rating for this contactor is 1,000 V.
What is the size of this contactor?
This contactor is of size S3 according to the manufacturer's classification.
Does this contactor have auxiliary contacts?
Yes, this contactor comes with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.
What is the maximum installation altitude for this contactor?
The maximum installation altitude for this contactor is 2,000 meters above sea level.
