The Siemens 3SB5400-7DF is a SIRIUS ACT / 3SB5 series illuminated indicator lamp module used in industrial control panels and operator stations. It is designed to provide clear visual status indication for machine states such as RUN, STOP, FAULT, or READY in automation systems.
Even though it is sometimes grouped under “legend plate” naming, the 3SB5400-7DF is not a labeling plate. It is an integrated LED indicator lamp holder module used in Siemens 22 mm modular pushbutton systems for reliable visual signaling in industrial environments.
This variant typically operates on 110 V DC and features a blue LED indication, commonly used for informational or system-status signaling in control panels.
The Siemens 3SB5400-7DF is widely used in:
Blue LED is commonly used for informational or system-active states, helping operators quickly understand machine status.
Designed for continuous operation in demanding electrical environments.
Low power consumption with long operational life reduces maintenance needs.
Compatible with Siemens SIRIUS ACT 22 mm systems for fast installation and standardized panel design.
| Specification | Details |
|---|---|
| Manufacturer | Siemens |
| Series | SIRIUS ACT / 3SB5 |
| Part Number | 3SB5400-7DF |
| Product Type | LED Indicator Lamp / Lamp Holder |
| Light Source | LED |
| Rated Voltage | 110 V DC |
| Color | Blue |
| Mounting Type | Front panel mounting |
| Terminal Type | Screw terminal |
| Application | Control panels, automation systems, machine signaling |
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