The Siemens 3SB5400-7HF lamp holder with integrated LED is a compact industrial signalling component designed for machine-control panels, operator stations and industrial automation systems where clear visual status indication is required. It features an integrated blue LED, is designed for 220 V DC operation, and uses a screw terminal connection with front plate mounting.
This combination provides a practical solution for industrial applications where operators need to identify a specific machine, process or equipment condition at a glance. The blue LED can be assigned to a particular operating state, auxiliary function, process condition or other defined indication according to the control philosophy of the machine.
The Siemens 3SB5400-7HF combines the LED light source and lamp holder into one compact component. The integrated LED simplifies the signalling arrangement and avoids the need for a separate lamp element.
Blue indication can be used for different purposes depending on the machine's control system. Common applications may include:
The exact meaning of the blue light should be clearly established in the machine's control documentation to ensure operators can interpret the indication correctly.
The 3SB5400-7HF LED lamp holder is designed for 220 V DC operation, making it suitable for compatible industrial control systems and signalling circuits using the specified DC supply.
The integrated LED provides a dedicated visual indication solution for operator stations and control panels. Before installation, the available supply voltage and control circuit should always be verified against the product requirements.
Correct electrical connection is important for reliable and safe operation. Wiring should be completed using appropriate installation practices and according to the requirements of the overall control system.
The screw terminal connection provides a practical and familiar method for connecting the indicator to the industrial control circuit.
Screw terminals are widely used in control panels because they allow conductors to be securely terminated and provide convenient access during inspection, troubleshooting and maintenance.
For electricians, panel builders and system integrators, the screw-terminal arrangement makes the Siemens 3SB5400-7HF suitable for straightforward integration into compatible operator-control wiring.
Appropriate conductor selection, termination and tightening procedures should be followed according to applicable electrical installation requirements.
The front plate mounting configuration allows the lamp holder to be installed on the front of a compatible control panel or operator enclosure.
This positioning keeps the blue LED clearly visible to operators during machine operation. Front-mounted indicators are particularly useful when equipment status needs to be monitored without opening the electrical cabinet.
The lamp holder can be combined with compatible Siemens 3SB5 pushbuttons, switches and contact blocks to create a consistent and professional operator interface.
The Siemens 3SB5400-7HF blue LED lamp holder can be used in a wide range of industrial applications, including:
It is particularly suitable where a blue visual indicator is required to communicate a defined machine or process condition.
The Siemens 3SB5400-7HF LED lamp holder is suitable for OEM machine builders, electrical panel manufacturers, system integrators and industrial maintenance professionals.
For new machine-control projects, it can be incorporated into a local operator station as a dedicated blue status indicator. For replacement and maintenance applications, it can be considered where a compatible Siemens 3SB5 LED signalling component designed for the specified DC supply is required.
Its integrated LED design provides an all-in-one signalling solution, helping simplify component selection and operator-panel construction.
For businesses looking for Siemens LED indicators, lamp holders, pushbuttons and industrial automation products, explore the Siemens product range at SB Smart for related products.
The Siemens 3SB5400-7HF lamp holder combines an integrated blue LED, 220 V DC operation, screw terminal connection and front plate mounting in a compact industrial signalling component.
Its blue illumination can provide operators with a quick visual reference for a defined machine or process condition. The front-mounted design keeps the indication visible, while the screw-terminal connection provides a practical wiring arrangement for industrial control panels.
For customers sourcing Siemens 220 V DC LED indicators and blue lamp holders in Faridabad, Delhi NCR, Noida, Gurgaon/Gurugram, Punjab, Mumbai, Hyderabad, Bengaluru, Chennai, Pune, Ahmedabad, Kolkata, Jaipur and other major cities across India, SB Smart provides Siemens industrial electrical and automation products.
Siemens 3SB5400-7HF is a lamp holder with an integrated blue LED designed for industrial visual signalling applications.
The product is designed for 220 V DC operation.
It features an integrated blue LED.
It uses a screw terminal connection for electrical wiring.
The product uses front plate mounting for installation on a compatible control-panel front.
Depending on the control design, it can indicate a special operating state, auxiliary function, process condition, equipment status or other defined machine condition.
It can be used in machine-control panels, production equipment, conveyors, packaging machinery, manufacturing systems and industrial automation applications.
Yes. The product features an integrated LED, providing a complete visual signalling component.
Yes. It is suitable for OEMs, panel builders, system integrators and industrial maintenance teams.
You can explore the Siemens product range at SB Smart for Siemens LED indicators, lamp holders, operator controls and industrial automation products.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS ACT / 3SB5 |
| Model Number | 3SB5400-7HF |
| Product Type | LED Indicator Lamp Module |
| Function | Visual status indication |
| Color | Blue |
| Rated Voltage | 220V DC |
| Illumination | Integrated LED |
| Mounting Size | 22 mm |
| Mounting Type | Front panel mounting |
| Connection Type | Screw terminal |
| Application | Industrial control signaling |
| Brand | Siemens |
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