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Allen Bradley 100-SB20 Auxiliary Contact Block

Allen Bradley 100-SB20 Auxiliary Contact Block - 2 NO.

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ManufacturerAllen Bradley

Part number100-SB20

Contact Type 2 Normally Open (NO)

Mounting Front Mount

Series 100-SB

Compatibility 100-S Series Contactors

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12-month warranty

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Veteran-owned

CAGE: 9NK75

2 Normally Open contacts Front mount design Expands signaling capabilities Reliable Allen Bradley quality Easy to install

Product description

The Allen Bradley 100-SB20 is an auxiliary contact block featuring two Normally Open (NO) contacts. It is designed for front mounting onto compatible Allen Bradley 100-S series contactors, providing additional open contacts for signaling, interlocking, or control circuits. This enhances the flexibility and expandability of your motor control setups.

This double NO contact block is ideal for applications where multiple signaling points or parallel control functions are required. It is widely used in complex industrial control panels, distributed control systems, and machine automation where precise status feedback is critical. Industries such as automotive manufacturing, food and beverage, and material handling frequently utilize this component.

Stanlo Automation, a veteran-owned surplus parts distributor, is your trusted source for the Allen Bradley 100-SB20. We offer quality, reliability, and competitive pricing on a wide range of industrial automation components. Count on Stanlo Automation to keep your operations running with essential parts like this auxiliary contact block.

Technical specifications

Contact Type	2 Normally Open (NO)
Mounting	Front Mount
Series	100-SB
Compatibility	100-S Series Contactors

Common applications

Status Signaling

Interlocking Circuits

Control Panels

Machine Automation

Industrial Control

Motor Control Centers

Compatible systems

Allen Bradley 100-S Series Contactors

Also known as

Allen Bradley 100-SB Auxiliary Contact AB 100-SB20 100-S Dual NO

Replaces / compatible with

This auxiliary contact block is designed to add functionality to Allen Bradley 100-S series contactors. It is compatible with the specific dimensions and mounting of those contactors.

Technical note

Expert tip

The 100-SB20 allows for the expansion of control logic by providing two independent NO contacts that mirror the state of the main 100-S series contactor.

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Frequently asked questions

What is the primary use of the Allen Bradley 100-SB20 auxiliary contact block?

The Allen Bradley 100-SB20 auxiliary contact block is primarily used to add two Normally Open (NO) contacts to a compatible 100-S series contactor. These additional contacts are useful for signaling device status or for use in parallel control and interlocking circuits.