1 NC Contact Element
The 3SB3403-0C incorporates one normally closed contact element for switching and signaling functions in applicable control-device assemblies.
SIEMENS 3SB3403-0C 3SB3 Contact Block 1NC 10A 400V Spring Terminal
Available in stock (400)
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$25.72
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Technical Specifications
| Brand | SIEMENS |
| Model Number | 3SB3403-0C |
| Product Category | Contact Block |
| Product Series | SIRIUS 3SB3 |
| Contact Configuration | 1 NC |
| Number of Contact Elements | 1 |
| Connection Type | Spring-Loaded Terminal |
| Mounting Type | Front Plate Mounting |
| Switch Standard | 22 mm |
| Positive Opening | Yes |
| Rated Insulation Voltage | 400 V |
| Rated Impulse Withstand Voltage | 4 kV |
| Thermal Current | 10 A |
| AC-15 Operating Current at 230 V | 6 A |
| AC-15 Operating Current at 400 V | 3 A |
| DC-13 Operating Current at 24 V | 3 A |
| Terminal Protection | IP20 |
| Enclosure Protection | IP40 |
Key Features
Spring-Loaded Terminal
The contact block uses a spring-loaded terminal connection for electrical wiring within compatible SIRIUS 3SB3 command and signaling devices.
Front Plate Mounting
The module is designed as a contact block for front plate mounting with compatible 22 mm command and signaling components.
10 A Thermal Current
The documented thermal current rating is 10 A, with utilization-category current ratings specified according to the applied switching voltage.
Positive Opening
The normally closed contact incorporates positive opening operation for applicable control and signaling circuit configurations.
Industrial Temperature Range
The documented operating temperature range extends from -25 to +70 °C for installation within suitable industrial environments.
Applications
- Industrial pushbutton assemblies
- Machine control panels
- Command and signaling devices
- Control circuit switching
- Industrial operator stations
- Automation control cabinets
- 22 mm control-device assemblies
- SIRIUS 3SB3 signaling systems
Purchase Information
We support online purchase of the SIEMENS 3SB3403-0C Contact Block. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is SIEMENS 3SB3403-0C?
It is a SIRIUS 3SB3 contact block with one normally closed contact element and a spring-loaded terminal connection.
What is the contact configuration?
The 3SB3403-0C provides one normally closed contact, identified as 1 NC.
What connection type does it use?
The contact block uses a spring-loaded terminal connection.
How is 3SB3403-0C mounted?
It is designed for front plate mounting in applicable SIRIUS 3SB3 command and signaling assemblies.
What switch standard is associated with this contact block?
The 3SB3403-0C is associated with 22 mm command and signaling devices.
What is the rated insulation voltage?
The documented rated insulation voltage is 400 V.
What is the thermal current rating?
The documented thermal current is 10 A.
What is the AC-15 current rating at 230 V?
The documented AC-15 operating current at 230 V is 6 A.
What is the DC-13 current rating at 24 V?
The documented DC-13 operating current at 24 V is 3 A.
What are the protection ratings?
The documented protection ratings are IP20 at the terminal and IP40 for the enclosure.
What is the operating temperature range?
The documented operating temperature range is -25 to +70 °C.
Can 3SB3403-0C be considered for an existing control device?
It can be considered after the exact article number, 1 NC contact requirement, spring-terminal connection, mounting arrangement and electrical ratings have been checked.
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