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
4 weeks ago
3TC4817-0LB4
Siemens 3TC4817-0LB4 available at EU Automation. Get in touch today for a quick price.
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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 3TC4817-0LB4 is a robust and reliable contactor engineered to facilitate efficient and safe switching, control, and protection of electrical circuits. This component is designed for DC operation and is equipped with a 2-pole configuration, making it suitable for a wide range of industrial applications. With an impressive insulation voltage rated value of 800V and a rated operational current of 75A at 750V, it ensures consistent performance even in demanding environments.
This contactor boasts a size 4 frame and comes with auxiliary contacts configured as 21 (2NO + 1NC), enhancing its functionality for complex circuit designs. The inclusion of a varistor and series resistor provides additional surge protection, ensuring the longevity of the device and the safety of the system it is integrated into.
The 3TC4817-0LB4 operates within a voltage range of 0.7 to 1.25 times the rated control supply voltage, offering flexibility and reliability in various operating conditions. Its mechanical service life is rated at a remarkable 10 million switching cycles, highlighting the durability and quality of Siemens engineering.
Designed with practicality in mind, the contactor allows for a mounting position with a +/-22.5° rotation on a vertical mounting surface, and it can be fastened securely with screw fixing. The dimensions are carefully considered to ensure it fits seamlessly into electrical assemblies, with a height of 177.5mm, a width of 143mm, and a depth of 184mm.
The Siemens 3TC4817-0LB4 is a testament to Siemens' commitment to quality, reliability, and innovation in electrical component design. It is an essential part of any electrical system where precise control and protection are paramount.
This contactor boasts a size 4 frame and comes with auxiliary contacts configured as 21 (2NO + 1NC), enhancing its functionality for complex circuit designs. The inclusion of a varistor and series resistor provides additional surge protection, ensuring the longevity of the device and the safety of the system it is integrated into.
The 3TC4817-0LB4 operates within a voltage range of 0.7 to 1.25 times the rated control supply voltage, offering flexibility and reliability in various operating conditions. Its mechanical service life is rated at a remarkable 10 million switching cycles, highlighting the durability and quality of Siemens engineering.
Designed with practicality in mind, the contactor allows for a mounting position with a +/-22.5° rotation on a vertical mounting surface, and it can be fastened securely with screw fixing. The dimensions are carefully considered to ensure it fits seamlessly into electrical assemblies, with a height of 177.5mm, a width of 143mm, and a depth of 184mm.
The Siemens 3TC4817-0LB4 is a testament to Siemens' commitment to quality, reliability, and innovation in electrical component design. It is an essential part of any electrical system where precise control and protection are paramount.
| Specification | Description |
|---|---|
| Part Number | 3TC4817-0LB4 |
| Alternative Part Number | 3TC48170LB4 |
| Manufacturer | Siemens |
| Contactor Size | 4 |
| Number of Poles | 2-pole |
| Operating Voltage | DC-3 and 5, 75 A at 750 V |
| Auxiliary Contacts | 21 (2NO + 1NC) |
| Control Supply Voltage | 24V DC |
| Operating Range | 0.7 to 1.25 x US |
| Insulation Voltage Rated Value | 800 V |
| Maximum Permissible Voltage | 300 V for safe isolation between coil and main contacts according to EN 60947-1 |
| Shock Resistance | At DC 10g / 5 ms, 5g / 10 ms |
| Mechanical Service Life | Typical 10,000,000 operating cycles |
| Ambient Operating Temperature | -40 ... +70 °C during operation |
| Ambient Storage Temperature | -50 ... +80 °C during storage |
| Type of Voltage | DC |
| Operating Current at DC-1 | 75 A at 24 V, 110 V, 220 V, 440 V, 600 V |
| Operating Power at DC-1 | 8.2 kW at 110 V, 16.5 kW at 220 V, 33 kW at 440 V, 56 kW at 750 V |
| Operating Frequency at DC-1 | Maximum 1,000 1/h |
| Operating Current at DC-3 and DC-5 | 75 A at 220 V, 440 V, 600 V, 750 V |
| Operating Power at DC-3 and DC-5 | 6.5 kW at 110 V, 13 kW at 220 V, 27 kW at 440 V, 38 kW at 600 V, 45 kW at 750 V |
| Operating Frequency at DC-3 and DC-5 | Maximum 600 1/h |
| Mounting Position | +/-22.5° rotation possible on vertical mounting surface; can be tilted +/- 22.5° |
| Mounting Type | Screw fixing |
| Dimensions (H x W x D) | 177.5 mm x 143 mm x 184 mm |
| Required Spacing | Various spacings required for side-by-side mounting and for proximity to grounded/live parts |
| Type of Electrical Connection | Screw-type terminals |
| Conductor Cross-Sections | For auxiliary contacts: 2x (1 ... 2.5 mm²) solid or stranded, 2x (0.75 ... 1.5 mm²) finely stranded with core end processing |
| UL/CSA Ratings | Auxiliary contacts rated A600 / P600 according to UL |
| Short-Circuit Protection | Fuse link design for main and auxiliary circuit protection |
| Protection Class IP | IP00 on the front; IP20 with box terminal/cover |
| Product Function | Mirror contact according to IEC 60947-4-1 |
What size is the contactor?
The contactor is a size 4, which is a designation used to specify its physical and electrical characteristics.
Can this contactor be used with DC voltage?
Yes, this contactor is designed for DC operation and can handle operational currents up to 75 A at voltages up to 750 V.
What are the ambient temperature limits for operating this contactor?
The contactor can operate within an ambient temperature range of -40 to +70 degrees Celsius.
What type of auxiliary contacts does this contactor have?
This contactor comes with 2 normally open (NO) and 1 normally closed (NC) auxiliary contacts, designated as 21.
What is the insulation voltage rating of this contactor?
The insulation voltage rated value for this contactor is 800 V.
What is the mechanical service life of the contactor?
The mechanical service life of the contactor is typically 10 million operating cycles.
Does the contactor have a surge suppressor?
Yes, the contactor is equipped with a varistor for surge suppression.
What is the control supply voltage for this contactor?
The control supply voltage for this contactor is rated at 24 V DC.
What are the dimensions of the contactor?
The contactor has a height of 177.5 mm, a width of 143 mm, and a depth of 184 mm.
Is there any specific mounting position required for this contactor?
The contactor can be mounted with a +/-22.5° rotation on a vertical mounting surface and can be tilted forward and backward by +/- 22.5°. It can also be mounted standing on a horizontal surface.
- Controlling large DC motors in industrial applications
- Switching DC power circuits in automation systems
- Managing electrical loads in material handling systems
- Operating heavy-duty electrical machinery in manufacturing plants
- Regulating power for DC-driven compressors in HVAC systems
- Facilitating operations in renewable energy installations, such as solar power plants
- Integrating into control panels for process control in chemical industries
- Utilising in the automotive industry for testing and production line equipment
- Implementing in marine applications for controlling navigational equipment
- Employing in railway systems for the electrification of trackside equipment
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.
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Customer reviews
steve
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.
2 months ago
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!
2 months ago
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!
2 months ago
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.
3 months ago
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!
4 months ago
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