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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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3NW7901
Siemens 3NW7901 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 3NW7901 is a high-quality auxiliary switch designed for use with cylindrical fuse bases, specifically sized at 14 x 51 mm. This component is part of the SENTRON product line and is engineered to monitor the status of striker-fuses, providing reliable indication of blown-fuse conditions. It features a single change-over contact (1 CO) and operates with an AC control voltage, rated at 250 V. The switch has a nominal switching capacity of 5 A, making it suitable for various industrial applications. With a compact design, the 3NW7901 measures 83 mm in height, 9 mm in width, and 64 mm in depth, and weighs 52 grams. This auxiliary switch is an essential component for enhancing the functionality and safety of electrical systems by ensuring efficient monitoring and control.
| Specification | Description |
|---|---|
| Product Brand Name | SENTRON |
| Product Designation | Auxiliary Switches |
| Design of the Product | Striker Fuses |
| Operating Voltage | Rated value 250 V |
| Switching Capacity | Current rated value 5 A |
| Control Voltage Type | AC |
| Number of Fault Signal Contacts | 0 |
| Number of NC Contacts | 0 |
| Number of NO Contacts | 0 |
| Number of CO Contacts | 1 |
| Product Extension | Auxiliary Current Switch |
| Mechanical Design | |
| Height | 83 mm |
| Width | 9 mm |
| Depth | 64 mm |
| Number of Modular Width Units | 1 |
| Net Weight | 52 g |
| Certificates/Approvals | General Product Approval, Declaration of Conformity, Test Certificates |
The Siemens 3NW7901 is a reliable auxiliary switch designed for use with cylindrical fuse bases, specifically size 14 x 51 mm. It is engineered to monitor the status of striker fuses, ensuring efficient operation and safety in electrical systems. With a compact design, this switch is easy to integrate into existing setups, offering a rated operating voltage of 250 V and a switching capacity of 5 A. Its robust construction and compliance with industry standards make it an ideal choice for various applications requiring precise fuse monitoring.
What is the primary function of this part?
The Siemens 3NW7901 is an auxiliary switch designed for monitoring the blown-fuse status of striker-fuses in cylindrical fuse bases.
What are the dimensions of this part?
The Siemens 3NW7901 has a height of 83 mm, a width of 9 mm, and a depth of 64 mm.
What is the rated operating voltage for this part?
The rated operating voltage for the Siemens 3NW7901 is 250 V AC.
What is the switching capacity of this part?
The Siemens 3NW7901 has a switching capacity with a nominal current value of 5 A.
How many change-over contacts does this part have?
The Siemens 3NW7901 is equipped with one change-over contact.
Can this part be mounted in a factory setting?
No, the Siemens 3NW7901 is not factory mounted; it is designed to be mounted as needed.
What is the net weight of this part?
The net weight of the Siemens 3NW7901 is 52 grams.
What type of voltage is used for the control voltage of this part?
The control voltage for the Siemens 3NW7901 is of the AC type.
- Monitoring the status of blown fuses in electrical systems
- Integration into control panels for enhanced circuit protection
- Use in industrial automation systems for reliable fuse status indication
- Application in electrical distribution boards for safety monitoring
- Suitable for use in commercial and residential electrical installations
- Ideal for use in systems requiring auxiliary switch functionality for fuse bases
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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