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Siemens 3SB3420-0B 22mm 1NO Screw Terminal Contact Block

Siemens 3SB3420-0B 22mm 1NO screw terminal contact block.

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ManufacturerSiemens

Part number3SB3420-0B

Contacts 1 NO

Terminal Type Screw terminal

Size 22mm

Mounting For enclosure

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Single normally open contact Screw terminals for secure connection 22mm standard mounting size Designed for enclosure mounting Part of SIRIUS ACT series

Product description

The Siemens 3SB3420-0B is a 22mm component designed for use within enclosures, featuring a contact block with one normally open (NO) contact element. It utilizes screw terminals for secure and robust electrical connections. This part belongs to the SIRIUS ACT 3SU1 series and is a phased-out product, with 3SU1400-2AA10-1BA0 being the preferred successor.

This contact block is commonly used in control panels, motor starters, and safety circuits where a normally open contact is required for signaling or control functions. Its 22mm standard size makes it compatible with a wide range of industry-standard enclosures and operator interfaces across various sectors like manufacturing, machine building, and industrial automation.

Stanlo Automation, a veteran-owned supplier of surplus automation parts, offers the Siemens 3SB3420-0B. We specialize in providing access to reliable, discontinued components to support the maintenance and operational needs of industrial facilities.

Technical specifications

Contacts	1 NO
Terminal Type	Screw terminal
Size	22mm
Mounting	For enclosure
Series	SIRIUS ACT 3SU1 (successor)
Condition	Phased-out

Common applications

Control panels

Motor starters

Safety circuits

Machine control

Industrial automation

Compatible systems

Compatible with SIRIUS ACT 3SU1 actuator systems

Also known as

Siemens 3SB3420-0B contact SIRIUS ACT 3SB3420-0B Siemens 22mm NO contact 3SB34200B

Replaces / compatible with

The Siemens 3SB3420-0B is a phased-out product. The preferred successor is the Siemens 3SU1400-2AA10-1BA0.

Technical note

Expert tip

The screw terminals on the 3SB3420-0B provide a secure connection that resists loosening due to vibration, crucial for reliable operation in industrial machinery.

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Frequently asked questions

What type of terminal connection does the Siemens 3SB3420-0B use?

The Siemens 3SB3420-0B utilizes screw terminals. This type of connection ensures a robust and reliable electrical connection, ideal for industrial environments where vibration can be a concern.