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Siemens 3SB3400-1RB Red LED Indicator, 230V AC, Screw Terminal

Siemens 3SB3400-1RB Red LED Indicator Component

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ManufacturerSiemens

Part number3SB3400-1RB

Voltage 230V AC

Terminal Type Screw Terminal

Color Red

Series SIRIUS

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12-month warranty

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CAGE: 9NK75

Integrated LED Red indicator lens Screw terminal connections 230V AC operation Critical status signaling

Product description

The Siemens 3SB3400-1RB is an actuator and indicator component featuring an integrated red LED. It is rated for 230V AC operation and employs screw terminals for secure wiring. This product is part of the SIRIUS series and is phased out. The preferred successor is 3SU1401-1BF20-1AA0 within the SIRIUS ACT 3SU1 range.

This red indicator is essential for signaling critical events or status in industrial machinery and control panels operating on 230V AC, such as emergency stop activation or fault conditions. Its distinct red color ensures it is easily noticed.

As a veteran-owned surplus parts distributor, Stanlo Automation specializes in providing hard-to-find components like the Siemens 3SB3400-1RB. We help maintain operational continuity by supplying legacy and discontinued automation parts.

Technical specifications

Voltage	230V AC
Terminal Type	Screw Terminal
Color	Red
Series	SIRIUS

Common applications

Fault Indication

Emergency Signals

Industrial Machinery

Control Panels

Red Warning Light

Compatible systems

SIRIUS control systems

Also known as

Siemens 3SB3400-1RB Red Light 3SB3400-1RB 230V Indicator SIRIUS Red Indicator 230V

Replaces / compatible with

This phased-out part is succeeded by the SIRIUS ACT 3SU1 series, with 3SU1401-1BF20-1AA0 being the preferred successor.

Technical note

Expert tip

When wiring the 3SB3400-1RB, ensure the control circuit is de-energized and verify the correct phase and neutral connections for the 230V AC supply.

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Frequently asked questions

What is the function of the red LED in the Siemens 3SB3400-1RB component?

The red LED in the Siemens 3SB3400-1RB serves as a critical visual alert. It is typically used to signal fault conditions, emergency stop activations, or other urgent status updates in industrial control systems operating at 230V AC.