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Allen Bradley 150-SB1NBR Smart Guard 2000 Safety Relay

Allen Bradley Smart Guard 2000 safety relay with 24VDC input and 1 NO fault contact.

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ManufacturerAllen Bradley

Part number150-SB1NBR

Input Voltage 24VDC

Fault Contacts 1 NO

Monitoring Contacts 1 NC

Series Smart Guard 2000

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Veteran-owned

CAGE: 9NK75

24VDC operation Single NO safety output NC monitoring contact Compact size Simple to integrate

Product description

The Allen Bradley 150-SB1NBR is a Smart Guard 2000 safety relay designed for basic safety monitoring. It operates on a 24VDC input and features one normally open (NO) fault contact for safety outputs, along with one normally closed (NC) monitoring contact.

This safety relay is suitable for less complex safety circuits where a single safety output is sufficient. Common applications include simple emergency stop buttons or basic gate monitoring in industrial machinery.

As a veteran-owned surplus parts distributor, Stanlo Automation provides the 150-SB1NBR at a great value. We are committed to offering reliable, cost-effective solutions for your industrial automation needs.

Technical specifications

Input Voltage	24VDC
Fault Contacts	1 NO
Monitoring Contacts	1 NC
Series	Smart Guard 2000

Common applications

Single E-stop circuits

Basic gate monitoring

Simple safety interlocks

Small machine safety

Operator safety

Compatible systems

Compatible with simple safety input devices and control systems requiring a single safety output channel.

Also known as

Allen Bradley 150SB1NBR Smart Guard 2000 150-SB1NBR AB 150-SB1NBR safety

Replaces / compatible with

This safety relay is suitable for applications requiring a single NO safety output and 24VDC operation. It can replace older or equivalent single-output safety relays within the Smart Guard 2000 series.

Technical note

Expert tip

Ensure that the single NO fault contact is wired in series with the control power for the safety-critical components of the machine.

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Frequently asked questions

What is the primary function of the single NO fault contact on the 150-SB1NBR?

The single normally open (NO) fault contact on the Allen Bradley 150-SB1NBR safety relay is designed to provide a safety output that opens when a fault condition is detected, thus stopping the machine.