3RT1045-1AP00

Siemens 3RT1045-1AP00 available at EU Automation. Get in touch today for a quick price.

Trustpilot stars Based on over 4900 reviews

Full 12-month warranty

Available for dispatch immediately

We deliver worldwide

Get a quick price for 3RT1045-1AP00

Quantity

Adding another part to your enquiry?

For more information on how your data is processed and stored by EU Automation please read our privacy policy.

All orders are subject to product availability. See our T&Cs.

Ask our team

What happens next?

1. Email confirmation

You will get an email confirming that we have received your enquiry.

2. Dedicated Account Manager

One of our team will be in touch to confirm your part(s) specification and condition.

3. Your quote

You will receive a comprehensive quote tailored to your specific needs.

The Siemens 3RT1045-1AP00 is a robust power contactor designed to handle high current applications with ease. This three-pole contactor is rated for AC-3 80 A and can manage 37 kW at 400 V, making it an ideal choice for a wide range of industrial switching operations. Its coil operates at 230 V AC with a 50 Hz frequency, ensuring compatibility with standard industrial power supplies in the UK and other regions with similar electrical standards.

Crafted for durability, the 3RT1045-1AP00 boasts an impressive mechanical service life, capable of up to 10 million switching cycles. This longevity is a testament to the quality engineering and reliability that Siemens is known for. The contactor is part of the SIRIUS product line, which is synonymous with high performance and seamless integration into various control systems.

The device is designed with user safety in mind, featuring an IP20 protection class on the front, ensuring that the contactor is safeguarded against solid objects larger than 12.5 mm. Additionally, it has a degree of pollution rating of 3, indicating that it can withstand a certain level of harmful environmental factors.

Installation is straightforward, thanks to its screw and snap-on mounting options, which allow for quick and secure attachment to standard mounting rails. The contactor's dimensions are compact, with a width of 70 mm and a height of 146 mm, ensuring it doesn't take up excessive space in electrical cabinets or control panels.

The 3RT1045-1AP00 is a phased-out product, and while it continues to be supported, a preferred successor model is available for those looking for the latest advancements in contactor technology. However, for those in need of a reliable and time-tested solution, the Siemens 3RT1045-1AP00 remains a solid choice for controlling motors and loads efficiently and effectively in industrial settings.
Specification Description
Part Number 3RT1045-1AP00
Alternative Part Number 3RT10451AP00
Manufacturer Siemens
Product Type Power Contactor
Poles 3 Poles
Rated Operational Current AC-3 80 A
Rated Operational Voltage 400 V
Control Supply Voltage AC 230 V AC, 50 Hz
Size S3
Terminal Type Screw Terminal
Insulation Voltage Rated at 1,000 V
Degree of Pollution 3
Surge Voltage Resistance Rated value 6 kV
Maximum Voltage for Safe Isolation 690 V between coil and main contacts according to EN 60947-1
Protection Class IP IP20 on the front with cover / box terminal, IP00 of the terminal
Shock Resistance At AC: 6.8g / 5 ms, 4g / 10 ms
Mechanical Service Life Typical 10,000,000 operations
Operating Current at AC-1 Up to 120 A at 400 V, 40 °C ambient temperature
Operating Power at AC-3 37 kW at 400 V
Mounting Type Screw and snap-on mounting onto 35 mm and 75 mm standard mounting rail
Dimensions Height: 146 mm, Width: 70 mm, Depth: 139 mm
Ambient Temperature Operating: -25 to +60 °C, Storage: -55 to +80 °C
Installation Altitude Up to 2,000 m above sea level
Short-Circuit Protection Fuse gL/gG: 250 A for type of coordination 1, 160 A for type of coordination 2
Auxiliary Circuit Contact Rating AC-12 maximum 10 A, AC-15 at 230 V 6 A, at 400 V 3 A

What type of contactor is this?

This is a power contactor designed for switching an electrical power circuit, similar to a relay except with higher current ratings. It's suitable for heavy-duty applications.

Can this contactor be used for three-phase applications?

Yes, it is a 3-pole contactor, making it suitable for three-phase applications.

What is the rated operating current of this contactor at AC-3?

The rated operating current at AC-3 is 80 A.

What is the control supply voltage for this contactor?

The control supply voltage for this contactor at AC is 230 V at 50 Hz.

What is the insulation voltage rating of this contactor?

The insulation voltage rating of this contactor is 1,000 V.

What is the mechanical service life of this contactor?

The mechanical service life of the contactor is typically 10 million switching cycles.

What are the ambient operating temperature limits for this contactor?

The ambient operating temperature range is from -25°C to +60°C.

What is the maximum installation altitude for this contactor?

The maximum installation altitude for this contactor is 2,000 metres above sea level.

What are the dimensions of this contactor?

The dimensions are 70 mm in width, 146 mm in height, and 139 mm in depth.

What type of terminals does this contactor have for electrical connection?

This contactor is equipped with screw-type terminals for both the main and auxiliary circuits.

Is this contactor suitable for use in controlling motors?

Yes, it is suitable for motor control applications and is rated for AC-3 usage, which is typical for starting and stopping motors.

  • Starting and stopping motors in industrial and manufacturing processes
  • Controlling large lighting installations in commercial buildings
  • Switching heating elements in industrial ovens and kilns
  • Operating pumps in water treatment and irrigation systems
  • Managing compressors in refrigeration and HVAC systems
  • Regulating conveyors and other material handling equipment
  • Controlling fans and blowers in ventilation systems
  • Activating electromagnets in lifting and separation equipment
  • Switching electrical circuits in power distribution systems
  • Integrating into automation systems for process control

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

Delivery

  • Logistic partners UPS, FedEx and DHL
  • International delivery available
  • Premium nine hour delivery service available to anywhere in Europe
  • Same day dispatch from group stock

Warranty

All parts new or reconditioned are covered by EU Automation 12 month warranty

Returns

No hassle returns policy

Dedicated customer support team

Trade Credit

We understand that credit is a necessary part of business and offer credit agreements on request, subject to status.

Payment options

We accept Bank transfers and the following methods of payment:

All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.

Services

Sourcing your part

Global supplier of quality automation and control components

Service Exchange

Dispose of your old unit by exchanging it for a working part.

Repair

A comprehensive repair service for faulty equipment.

Customer reviews

5 out of 5 stars steve

Got hold of Sime for a Carrier card for…


Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime

3 months ago

5 out of 5 stars Daniel

Excellent customer service...


Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.

4 months ago

5 out of 5 stars Jerry Schrink

Tom Higgins provided amazing service


Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!

5 months ago

5 out of 5 stars Paulo Pereira

Excellent service and communication…


Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!

5 months ago

5 out of 5 stars Gary

Tom Higgins did a great job at getting…


Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.

5 months ago

5 out of 5 stars Lessle Smith

Thomas Higgins has gone above and…


Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!

6 months ago

Factory worker carrying automation parts box.

Be a Factory Hero.

Get parts fast.

You don’t need tights and a cape to be a hero.
Get parts fast and feel like a legend, just like Jeff.

Be a Factory Hero

FAQs

View all FAQs

We're here when you need us