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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
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3RU2126-4DB0
Siemens 3RU2126-4DB0 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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3. Your quote
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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 3RU2126-4DB0 is a high-quality overload relay from the renowned SIRIUS series, designed to provide reliable motor protection. This component is engineered to handle a voltage of up to 690 V ac and is suitable for a variety of industrial applications. It features a compact design with dimensions of 45 x 85 x 85 mm, making it an excellent choice for installations where space is at a premium.
The overload relay is equipped with both 1NC (normally closed) and 1NO (normally open) contacts, and it utilises a screw connection method for secure and straightforward installation. The device is rated for a thermal overload release current range of 20 to 25 A, ensuring that it can be adjusted to protect motors of different sizes within this range.
With a trip class of 10, the Siemens 3RU2126-4DB0 is designed to provide a quick response to overloads, thereby safeguarding the motor and associated equipment from potential damage. The manual-automatic reset feature offers flexibility in operation, allowing for both manual intervention and automatic reset in the event of an overload trip.
This overload relay is part of the SIRIUS product family, which is known for its durability and reliability in demanding industrial environments. The 3RU2126-4DB0 is a testament to Siemens' commitment to quality and innovation in motor control and protection.
The overload relay is equipped with both 1NC (normally closed) and 1NO (normally open) contacts, and it utilises a screw connection method for secure and straightforward installation. The device is rated for a thermal overload release current range of 20 to 25 A, ensuring that it can be adjusted to protect motors of different sizes within this range.
With a trip class of 10, the Siemens 3RU2126-4DB0 is designed to provide a quick response to overloads, thereby safeguarding the motor and associated equipment from potential damage. The manual-automatic reset feature offers flexibility in operation, allowing for both manual intervention and automatic reset in the event of an overload trip.
This overload relay is part of the SIRIUS product family, which is known for its durability and reliability in demanding industrial environments. The 3RU2126-4DB0 is a testament to Siemens' commitment to quality and innovation in motor control and protection.
| Specification | Description |
|---|---|
| Part Number | 3RU2126-4DB0 |
| Alternative Part Number | 3RU21264DB0 |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Product Type | Overload Relay |
| Operating Voltage | 690 V ac |
| Contact Configuration | 1NC/1NO |
| Connection Type | Screw |
| Dimensions | 45 x 85 x 85 mm |
| Number of Poles | 3 |
| Adjustable Current Range | 20...25 A |
| Trip Class | CLASS 10 |
| Operating Frequency | 50...60 Hz |
| Insulation Voltage | 690 V ac with degree of pollution 3 |
| Surge Voltage Resistance | 6 kV |
| Ambient Operating Temperature | -40...+70 °C |
| Mounting Position | Any |
| Fastening Method | Contactor mounting |
| Protection Class | IP20 on the front according to IEC 60529 |
| Touch Protection | Finger-safe, for vertical contact from the front according to IEC 60529 |
| Display Version | Slide switch for switching status |
| Certificates/Approvals | General Product Approval for use in hazardous locations, ATEX directive 2014/34/EU compliant |
What is the voltage rating for this overload relay?
The overload relay is rated for operating voltages up to 690 V ac.
Can this overload relay be mounted directly to a contactor?
Yes, the overload relay is designed for contactor mounting, allowing for direct integration with compatible contactors.
What are the dimensions of this overload relay?
The dimensions of the overload relay are 45 x 85 x 85 mm.
What is the trip class of this thermal overload relay?
This thermal overload relay has a trip class of 10.
What is the range of the adjustable current response value for this relay?
The adjustable current response value for this relay ranges from 20 to 25 A.
What type of terminals does this overload relay have for electrical connections?
The overload relay features screw-type terminals for both the main current circuit and the auxiliary and control circuit.
Is there a manual reset function on this overload relay?
Yes, the overload relay comes with a manual-automatic-reset feature.
What is the insulation voltage of this overload relay?
The insulation voltage, with a degree of pollution 3, is rated at 690 V ac.
What type of protection does this overload relay offer?
The overload relay offers protection class IP20 on the front according to IEC 60529, ensuring finger-safe touch protection for vertical contact from the front.
How many auxiliary contacts does this overload relay have?
The overload relay is equipped with 1 normally closed (NC) contact and 1 normally open (NO) contact for auxiliary purposes.
- Motor overload protection in industrial applications
- Preventing excessive current in electrical circuits
- Protecting against phase failure in three-phase systems
- Integration into motor control systems for machinery
- Use in control panels for process automation
- Installation in HVAC systems for compressor protection
- Employed in material handling equipment to safeguard motors
- Utilised in packaging machinery for motor current regulation
- Incorporated in pump control systems to prevent motor burnout
- Applied in manufacturing plants for conveyor system motor protection
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
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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.
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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.
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4 months ago
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