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Allen Bradley Guardmaster 6155R-NPXPH Dual Channel Safety Relay

Allen Bradley 6155R-NPXPH Guardmaster dual-channel safety relay.

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ManufacturerAllen Bradley

Part number6155R-NPXPH

Channels Dual Channel

Input Type PNP

Safety Level PLe

SIL Rating SIL 3

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Veteran-owned

CAGE: 9NK75

Dual channel safety monitoring PNP input compatible PLe and SIL 3 certified Multiple safety output contacts Automatic or manual reset Compact DIN rail mount High reliability

Product description

The Allen Bradley 6155R-NPXPH is a Guardmaster dual-channel safety relay designed for monitoring safety devices in accordance with ISO 13849-1 and IEC 61508 standards. It features PNP inputs and offers PLe (Performance Level e) and SIL 3 (Safety Integrity Level 3) ratings, ensuring high safety integrity.

This safety relay is crucial for applications requiring high levels of machine safety, such as automated manufacturing lines, robotics, presses, and packaging equipment. It is used to monitor emergency stops, safety gates, and light curtains to ensure safe operation and prevent hazards.

Stanlo Automation, a veteran-owned company specializing in surplus industrial automation parts, provides the 6155R-NPXPH. We offer reliable access to safety components, ensuring your critical safety systems can be maintained or repaired efficiently and cost-effectively.

Technical specifications

Channels	Dual Channel
Input Type	PNP
Safety Level	PLe
SIL Rating	SIL 3
Output Contacts	3 NO, 1 NC
Reset Type	Automatic/Manual
Voltage	24V DC
Series	Guardmaster

Common applications

Machine Guarding

Emergency Stop Systems

Safety Gate Monitoring

Light Curtain Safety

Robotic Cells

Press Controls

Automated Assembly Lines

Compatible systems

Allen Bradley Guardmaster Safety Switches Safety Gates Emergency Stop Buttons Light Curtains

Also known as

Allen Bradley 6155R-NPXPH safety module Guardmaster dual channel relay

Replaces / compatible with

This safety relay is designed to monitor various safety input devices and can replace older or less capable safety relay circuits, providing enhanced safety functionality.

Technical note

Expert tip

Ensure that the safety input devices connected to the 6155R-NPXPH are also rated appropriately to achieve the desired overall safety level of the system.

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Frequently asked questions

What safety certifications does the 6155R-NPXPH safety relay have?

The Allen Bradley 6155R-NPXPH safety relay is certified to PLe (Performance Level e) according to ISO 13849-1 and SIL 3 (Safety Integrity Level 3) according to IEC 61508. These certifications indicate a high degree of functional safety.