The Siemens 3SB5400-7CD is a SIRIUS ACT / 3SB5 series illuminated indicating lamp module used in industrial control panels and command stations. It is designed for clear visual status indication in automation systems, helping operators quickly identify machine states such as ON, OFF, RUN, or FAULT.
Despite being sometimes referenced under “legend/label accessories,” the 3SB5400-7CD is actually an integrated LED lamp holder (not a plain legend plate) used within Siemens 22 mm modular pushbutton systems.
This variant typically comes with 24 V AC/DC operation and yellow illumination, making it suitable for general signaling and status indication in industrial environments.
The Siemens 3SB5400-7CD is widely used in:
Provides bright and reliable yellow signaling for warnings, standby states, or general status feedback.
Designed for continuous operation in harsh industrial environments with minimal failure risk.
Compatible with Siemens SIRIUS ACT 22 mm modular systems for fast panel assembly.
Low power consumption with long operational life reduces maintenance requirements.
Although sometimes referred to as a “legend plate,” the 3SB5400-7CD is not a labeling plate. It is an illuminated LED indicator module used for signaling in control panels.
| Specification | Details |
|---|---|
| Manufacturer | Siemens |
| Series | SIRIUS ACT / 3SB5 |
| Part Number | 3SB5400-7CD |
| Product Type | LED Lamp Holder / Indicating Lamp |
| Light Source | LED |
| Rated Voltage | 24 V AC/DC |
| Color | Yellow |
| Mounting Type | Front plate mounting |
| Terminal Type | Screw terminal |
| Application | Control panels, automation systems, machine signaling |
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