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Allen Bradley 193-EC2PB Guardmaster Safety Relay

Allen Bradley 193-EC2PB Guardmaster Safety Relay with 2 NO safety outputs.

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ManufacturerAllen Bradley

Part number193-EC2PB

Safety Contacts 2 NO

Auxiliary Contacts 1 NC

Voltage Rating 24V DC

Safety Category Cat 4 / PL e

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Veteran-owned

CAGE: 9NK75

Dual-channel input monitoring Reset function (manual/automatic) LED status indication Compact design High safety integrity

Product description

The Allen Bradley 193-EC2PB is a Guardmaster safety relay designed to monitor safety devices such as emergency-stop buttons and light curtains. It features two safety-rated normally open (NO) outputs and one normally closed (NC) auxiliary output, providing reliable safety monitoring for machinery.

This safety relay is commonly used in industrial automation to ensure personnel safety by quickly stopping hazardous machine motion when a safety device is activated. Applications include machine guarding, emergency stop circuits, and safety interlocks across various manufacturing industries.

Source your Allen Bradley 193-EC2PB safety relay from Stanlo Automation, a veteran-owned business specializing in surplus industrial parts. We offer a reliable supply of essential components, ensuring your operations continue smoothly with quality components.

Technical specifications

Safety Contacts	2 NO
Auxiliary Contacts	1 NC
Voltage Rating	24V DC
Safety Category	Cat 4 / PL e
Standards	EN 954-1, IEC 61508, ISO 13849-1

Common applications

Machine Guarding

Emergency Stop Circuits

Safety Interlocks

Industrial Machinery

Conveyor Systems

Press Automation

Compatible systems

Designed for use with E-stop buttons, safety limit switches, light curtains, and other safety-rated input devices.

Also known as

Allen Bradley Guardmaster 193-EC2PB 193-EC2PB Safety Monitor Bulletin 193-EC2PB

Replaces / compatible with

This relay is part of the Allen Bradley Guardmaster series, offering direct replacement and upgrade capabilities for older safety monitoring devices.

Technical note

Expert tip

Ensure the 193-EC2PB is wired correctly to safety-rated devices and the appropriate reset method is implemented according to machine safety standards.

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Frequently asked questions

What are the output types of the Allen Bradley 193-EC2PB safety relay?

The 193-EC2PB features two safety-rated normally open (NO) contacts for monitoring safety devices and one normally closed (NC) auxiliary contact for status feedback or other control functions.