The Siemens 3SB54200C contact block is a compact industrial control component designed for use with compatible Siemens 3SB5 pushbuttons and operator controls. It features 1 normally closed (NC) contact, a screw terminal connection and base mounting, making it suitable for reliable integration into machine-control circuits, operator stations and industrial automation applications.
Designed for applications where a dependable switching contact is required, this contact block can be used to build or modify control stations according to the electrical requirements of the machine. Its screw-terminal design provides a practical method for connecting control wiring, while the base-mounting arrangement supports installation with compatible operator devices.
The main function of the Siemens 3SB54200C contact block is to provide a normally closed (NC) switching contact. NC contacts are commonly used in industrial control circuits for functions such as STOP commands, interlocking circuits, control logic and auxiliary switching applications.
When the associated operator device is in its normal state, the NC contact remains closed. When the operator control is actuated, the contact changes state according to the switching mechanism of the connected device.
This makes the contact block suitable for applications where the control circuit needs a clearly defined normally closed switching path.
The screw terminal connection provides a practical method for connecting field wiring to the contact block. Screw terminals are widely used in industrial control panels because they allow conductors to be securely connected and can be inspected or serviced during maintenance.
For electricians and panel builders, this connection style can make installation and troubleshooting straightforward when the contact block is integrated into a compatible Siemens operator-control assembly.
Correct conductor selection, tightening and installation should always follow the applicable electrical requirements and Siemens installation instructions.
The base-mounting configuration allows the 3SB54200C to be incorporated into compatible Siemens 3SB5 operator-control arrangements. This makes it useful when configuring pushbuttons, selector switches or other operator devices that require an additional switching contact.
The contact block can be selected according to the required contact configuration of the machine-control circuit. Its 1 NC arrangement provides a dedicated normally closed contact without requiring a separate external switching component.
The Siemens 3SB54200C 1 NC contact block can be used in a variety of industrial applications, including:
It is particularly useful when a compatible Siemens operator device requires a normally closed auxiliary contact.
The 3SB54200C Siemens contact block is suitable for OEM machine builders, electrical panel manufacturers, system integrators and maintenance professionals.
For new control-panel designs, it can be incorporated into a compatible Siemens 3SB5 operator station. For maintenance and replacement work, the contact configuration and mounting arrangement should be checked carefully before selecting the replacement component.
Using a compatible contact block helps maintain a properly organized operator-control assembly and can simplify the implementation of required control functions.
For businesses looking for Siemens contact blocks, pushbuttons, operator controls and industrial automation components, explore the Siemens product range at SB Smart for related products.
The Siemens 3SB54200C contact block provides a straightforward solution for adding a 1 NC contact to compatible operator-control applications. Its screw terminal connection and base-mounting design make it practical for industrial control-panel installation and maintenance.
It is especially useful for applications where a normally closed switching contact is required for STOP commands, machine-control logic, interlocking or auxiliary control functions.
SB Smart supplies Siemens industrial electrical and automation products for customers across Faridabad, Delhi NCR, Noida, Gurgaon/Gurugram, Punjab, Mumbai, Hyderabad, Bengaluru, Chennai, Pune, Ahmedabad, Kolkata, Jaipur and other major cities across India.
Siemens 3SB54200C is a contact block with 1 normally closed (NC) contact designed for compatible Siemens operator-control applications.
It provides 1 NC (normally closed) contact.
The product uses a screw terminal connection for control wiring.
The contact block features a base-mounting arrangement.
NC contacts are commonly used in STOP circuits, interlocking, control logic and auxiliary switching applications.
The contact block is designed for compatible Siemens 3SB5 operator-control components.
Yes. It can be incorporated into compatible machine-control panels and operator stations.
Yes, provided the contact configuration, mounting arrangement and operator-device compatibility are verified before replacement.
It is suitable for OEMs, panel builders, system integrators, electricians and industrial maintenance teams.
You can explore the Siemens product range at SB Smart for Siemens contact blocks, pushbuttons, operator stations and industrial automation products.
| Specification | Details |
|---|---|
| Product Name | Empty Enclosure |
| Model Number | 3SB5420-0C |
| SKU | 3SB54200C |
| Brand | Siemens |
| Series | SIRIUS ACT |
| Product Type | Empty Enclosure |
| Variant | C |
| Mounting Type | Surface Mount |
| Function | Housing for Command & Signaling Devices |
| Application | Industrial Automation & Control |
| Compatibility | SIRIUS ACT Operator Devices |
| Construction | Industrial-Grade Enclosure |
| Installation | Machine Control & Operator Stations |
| Industry Applications | Automation, OEM Machinery & Control Panels |
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