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Siemens
3SB3403-0M
Marvo Stock ID: MV-7H7QNew unboxed
£65.72 (ex. VAT)
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Specifications
| Specification | Description |
|---|---|
| Part Number | 3SB3403-0M |
| Alternative Part Number | 3SB34030M |
| Manufacturer | Siemens |
| Type | Contact Block |
| Insulation Voltage | Rated at 400 V |
| Degree of Pollution | Class 3 |
| Type of Voltage | Suitable for AC/DC operating voltage |
| Surge Voltage Resistance | Rated value 4 kV |
| Protection Class IP | IP40 for enclosure, IP20 for terminal connections |
| Operating Current at AC-15 | 6 A at 24 V, 6 A at 48 V, 6 A at 110 V, 6 A at 230 V, 3 A at 400 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 |
| Electrical Connection | Spring-loaded terminals |
| Connectable Conductor Cross-sections | 2x (0.25 ... 1.5 mm²) solid, 2x (0.25 ... 0.75 mm²) finely stranded with core end processing |
| Ambient Temperature | Operating: -25 ... +70 °C, Storage: -25 ... +80 °C |
| Mounting Type | Front mounting |
| Dimensions | Height: 30 mm, Width: 10 mm, Depth: 21.2 mm |
| Product Function | Positive opening feature for safety |
| Number of NC Contacts | 1 |
| Number of NO Contacts | 0 |
| Number of Changeover Contacts | 0 |
| Contact Reliability | One incorrect switching operation of 100 million switching operations (5 V, 1 mA) |
| Thermal Current | 10 A |
| Reference Code | According to DIN EN 61346-2: S |
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Read more...Peace of mind with every purchase
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Full warranty
All parts are covered by a comprehensive warranty. If something goes wrong, I’ll put it right.
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3SB3403-0M Product Description
The Siemens 3SB3403-0M is a robust contact block designed for seamless integration into a variety of industrial control systems. This component is engineered to offer reliable performance in demanding environments, ensuring consistent operation and longevity. With a spring-loaded terminal connection, it facilitates quick and secure wiring, streamlining the installation process.
The contact block features a single normally closed (NC) contact configuration, which is a crucial element in safety and control circuits. The NC contact ensures that a circuit is completed when the switch is in its default position, providing a fail-safe mechanism for critical operations.
Constructed to withstand a high number of operating cycles, the 3SB3403-0M boasts an impressive mechanical service life of up to 10 million switching cycles, making it a durable choice for repetitive tasks. Its electrical endurance is equally robust, matching its mechanical reliability with the same number of cycles when used with compatible contactors.
The part is designed with a positive opening operation, which complies with stringent safety standards, ensuring that the contacts will open in the event of an emergency or a specific fault condition. This feature is particularly important for applications that require a high level of safety and reliability.
With an insulation voltage rated at 400V and impulse voltage resistance of 4kV, the Siemens 3SB3403-0M is equipped to handle a variety of electrical loads while maintaining its integrity and performance. The operating temperature range of -25 to +70°C allows it to function effectively in a wide range of environmental conditions, from cold storage facilities to high-temperature industrial settings.
The compact dimensions of the contact block, with a height of 30mm, width of 10mm, and depth of 21.2mm, make it an ideal choice for applications where space is at a premium. Its front mounting design allows for easy access and maintenance, further enhancing its user-friendly attributes.
Overall, the Siemens 3SB3403-0M contact block is a reliable and efficient solution for industrial control applications, offering safety, durability, and ease of use in a compact and versatile package.
Frequently Asked Questions
What is the function of the contact block?
The contact block is used for front plate mounting and comes with a mounting monitoring contact and spring-loaded terminal. It's designed to be integrated into control systems for various functions, such as stopping a machine or starting an operation.
Can this contact block be used with both AC and DC operating voltages?
Yes, the contact block is suitable for use with both AC and DC operating voltages, providing flexibility in different electrical environments.
What is the thermal current rating for this contact block?
The thermal current rating for the contact block is 10 A, which indicates the maximum current the contact can carry under specified thermal conditions.
Does this contact block have a positive opening function?
Yes, the contact block is equipped with a positive opening function, which ensures that the contacts will open in the event of an emergency, enhancing the safety of the system it's integrated into.
What type of electrical connection does this contact block support?
This contact block supports a spring-loaded terminal type of electrical connection, which allows for quick and secure connections without the need for tools.
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, which guards against solid objects larger than 1mm, such as wires or small tools.
What are the ambient temperature operating limits for this contact block?
The contact block can operate within an ambient temperature range of -25 to +70 degrees Celsius, ensuring reliable performance in a variety of environmental conditions.
What is the mechanical service life of this contact block?
The mechanical service life of the contact block is typically around 10 million switching cycles, indicating its durability and longevity in operational use.
What is the insulation voltage rating for this contact block?
The insulation voltage rating for the contact block is 400 V, which is the rated value for the voltage that the insulation can withstand.
How does the contact block ensure compliance with safety regulations?
The contact block is designed with safety features such as positive opening and mounting monitoring, which help ensure compliance with safety regulations and directives.
