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Siemens 3SB3403-0D 1NO+1NO Contact Block

Siemens 3SB3403-0D contact block with 2 NO contacts, spring-loaded terminals.

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ManufacturerSiemens

Part number3SB3403-0D

Contact Configuration 2 NO

Terminal Type Spring-loaded Terminal

Mounting Front Plate Mounting

Series 3SB3

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12-month warranty

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Veteran-owned

CAGE: 9NK75

2 Normally Open (NO) contacts Spring-loaded terminals Front plate mounting Phased-out product

Product description

The Siemens 3SB3403-0D is an actuator and indicator component contact block featuring two normally open (NO) contact elements. It is designed with spring-loaded terminals for easy and secure wire connections. This part is from the discontinued 3SB3 series.

This double NO contact block is used in applications requiring two independent circuits to close simultaneously when activated. Its robust construction and spring-loaded terminals make it suitable for various industrial control and signaling tasks.

Stanlo Automation, a veteran-owned surplus industrial automation parts distributor, offers the Siemens 3SB3403-0D. Secure this essential component to maintain your operational efficiency and extend the life of your equipment.

Technical specifications

Contact Configuration	2 NO
Terminal Type	Spring-loaded Terminal
Mounting	Front Plate Mounting
Series	3SB3

Common applications

Industrial Control

Machine Automation

Signaling Circuits

Control Panels

Compatible systems

Compatible with Siemens 3SB3 series actuators and indicator components.

Also known as

Siemens 3SB3403-0D Double NO Block 3SB3 Series Dual NO

Replaces / compatible with

This part has been phased out. The preferred successor is the Siemens SIRIUS ACT 3SU1 series, specifically the 3SU1400-1AA10-3DA0.

Technical note

Expert tip

The two NO contacts can be wired in parallel to increase current handling capacity for a single circuit or used independently for separate functions.

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Frequently asked questions

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

The Siemens 3SB3403-0D contact block features two normally open (NO) contact elements. This configuration allows for two separate circuits to be closed simultaneously when the actuator is operated.