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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3SB3403-0C |
| Alternative Part Number | 3SB34030C |
| Manufacturer | Siemens |
| Product Type | Contact Block |
| Contact Configuration | 1 Normally Closed (NC) contact |
| Terminal Type | Spring-loaded |
| Rated Insulation Voltage | 400 V |
| Degree of Pollution | Class 3 |
| Type of Voltage | AC/DC |
| Surge Voltage Resistance | 4 kV |
| Thermal Current | 10 A |
| Operating Current at AC-12 | 10 A (at 24 V to 400 V) |
| Operating Current at AC-15 | 6 A (at 24 V to 400 V) |
| Operating Current at DC-12 | 10 A (at 24 V), 5 A (at 48 V), 2.5 A (at 110 V), 1 A (at 230 V) |
| Operating Current at DC-13 | 3 A (at 24 V), 1.5 A (at 48 V), 0.7 A (at 110 V), 0.3 A (at 230 V) |
| Protection Class | IP20 |
| Ambient Operating Temperature | -25 to +70 °C |
| Mounting Type | Front mounting |
| Dimensions | Height: 30 mm, Width: 10 mm, Depth: 21.2 mm |
| Approvals/Certifications | General Product Approval, Environmental Confirmations as per Siemens standards |
The Siemens 3SB3403-0C is a robust contact block designed for seamless integration into a variety of industrial control systems. This actuator/indicator component is equipped with a single contact element and features spring-loaded terminals for secure and reliable connections. With an insulation voltage rated at 400V and a thermal current of 10A, it ensures consistent performance in demanding environments.
Crafted with precision, the 3SB3403-0C boasts a mechanical service life of 10 million switching cycles, demonstrating its durability and longevity. The contact block is also designed with safety in mind, featuring a positive opening operation that complies with stringent industry standards.
The compact design, with dimensions of 10mm in width, 30mm in height, and 26.6mm in depth, allows for efficient use of space within control panels. Additionally, the unit is rated with an IP40 protection class for the housing and IP20 for the terminal, providing a degree of protection against solid objects.
This contact block is suitable for front mounting, making it a versatile choice for various applications. Its operational temperature range from -25°C to +70°C ensures reliability across a wide range of environmental conditions, making the Siemens 3SB3403-0C an essential component for industrial automation tasks.
Commonly Asked Questions
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Read more...Is Marvo a credible parts supplier?
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Frequently Asked Questions
What type of contact does this contact block have?
The contact block is equipped with one normally closed (NC) contact element.
Can this contact block be used with both AC and DC operating voltages?
Yes, the contact block is designed for use with both AC and DC operating voltages.
What is the insulation voltage rating for this component?
The insulation voltage rating for this component is 400 V.
What is the degree of protection provided by the enclosure of this contact block?
The enclosure of the contact block provides a protection class of IP40.
What is the thermal current rating for this contact block?
The thermal current rating for the contact block is 10 A.
Is the contact block finger-safe to protect against electrical shock?
Yes, the contact block is designed to be finger-safe to provide protection against electrical shock.
What are the dimensions of this contact block?
The contact block has a height of 30 mm, a width of 10 mm, and a depth of 21.2 mm.
What type of terminals does this contact block feature for wire connection?
This contact block features spring-loaded terminals for wire connection.
What is the mechanical service life of this contact block?
The mechanical service life of the contact block is typically 10 million switching cycles.
How does the positive opening feature of this contact block function?
The positive opening feature ensures that the contacts will open in the event of a fault, providing an added layer of safety.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
