Home › Manufacturers › Siemens › 3SB3403-0A

Siemens

Siemens 3SB3403-0A 1NO+1NC Contact Block

Siemens 3SB3403-0A contact block with 1 NO and 1 NC contact, spring-loaded.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3SB3403-0A

Contact Configuration 1 NO + 1 NC

Terminal Type Spring-loaded Terminal

Mounting Front Plate Mounting

Series 3SB3

Get a price for 3SB3403-0A

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

1 Normally Open (NO) contact 1 Normally Closed (NC) contact Spring-loaded terminals Front plate mounting Phased-out product

Product description

The Siemens 3SB3403-0A is a contact block designed for actuators and indicator components, featuring two contact elements: one normally open (NO) and one normally closed (NC). It utilizes spring-loaded terminals for quick and reliable connections. This component is from the older 3SB3 series and is now phased out.

This block is suitable for applications requiring both signaling and control functions, such as in complex control panels or custom machinery. The spring-loaded terminals offer vibration resistance and easy installation, making them ideal for demanding industrial environments.

Stanlo Automation, a veteran-owned distributor of surplus automation parts, has the Siemens 3SB3403-0A in stock. Secure your supply of this essential component to keep your systems running efficiently.

Technical specifications

Contact Configuration	1 NO + 1 NC
Terminal Type	Spring-loaded Terminal
Mounting	Front Plate Mounting
Series	3SB3

Common applications

Control Panels

Industrial Automation

Machinery Control

Signaling Systems

Compatible systems

Compatible with Siemens 3SB3 series actuators and indicator components.

Also known as

Siemens 3SB3403-0A Actuator Component 3SB3 Series 1NO 1NC Block

Replaces / compatible with

This part has been phased out. The preferred successor is the Siemens SIRIUS ACT 3SU1 series, specifically the 3SU1400-1AA10-3FA0.

Technical note

Expert tip

Spring-loaded terminals provide a maintenance-free connection that resists loosening due to vibration, common in industrial machinery.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the contact configuration of the Siemens 3SB3403-0A contact block?

The Siemens 3SB3403-0A contact block features a combination of one normally open (NO) and one normally closed (NC) contact element. This allows for versatile control and signaling applications within a single component.