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Siemens 3SB3400-0M 1 NC Contact Block with Monitoring Contact

Siemens 3SB3400-0M 1 NC contact block with monitoring contact.

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ManufacturerSiemens

Part number3SB3400-0M

Contact Configuration 1 NC

Monitoring Contact Yes (Yellow)

Mounting Type Front Plate Mounting

Terminal Type Screw Terminal

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1 Normally Closed (NC) Contact Integrated Yellow Monitoring Contact Screw Terminal Connections Front Plate Mounting

Product description

The Siemens 3SB3400-0M is a contact block equipped with one normally closed (NC) contact. It is designed for front plate mounting and features screw terminals. This specific model includes a yellow monitoring contact, adding an extra layer of control and feedback capability in automation systems.

This contact block is used in applications requiring a normally closed contact, such as safety interlocks or emergency stop circuits, often paired with a monitoring function. Industries like manufacturing, food processing, and material handling benefit from its robust design.

Stanlo Automation, a veteran-owned business, offers the Siemens 3SB3400-0M as a surplus part. We are dedicated to supplying essential automation components, even those that are phased out, ensuring your critical systems remain operational.

Technical specifications

Contact Configuration	1 NC
Monitoring Contact	Yes (Yellow)
Mounting Type	Front Plate Mounting
Terminal Type	Screw Terminal

Common applications

Safety Circuits

Interlocking

Control Systems

Machine Safety

Automation Panels

Compatible systems

SIRIUS 3SB3 series actuators and indicators

Also known as

Siemens 3SB3400-0M 3SB3400-0M NC Block Siemens Yellow Monitoring Block

Replaces / compatible with

This is a phased-out product. SIRIUS ACT 3SU1 is the successor. The preferred successor type is 3SU1400-1AA10-1HA0.

Technical note

Expert tip

The integrated monitoring contact in the 3SB3400-0M allows for direct feedback into your control system, simplifying wiring for status indication.

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Frequently asked questions

What is the function of the yellow monitoring contact on the Siemens 3SB3400-0M?

The yellow monitoring contact on the Siemens 3SB3400-0M typically provides status feedback for the main contact element. It can be used in control logic to confirm the position or operational state of the associated actuator.