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Allen Bradley

Allen Bradley 440G-T27171 Guardmaster Safety Switch with Keyed Actuator

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerAllen Bradley

Part number440G-T27171

Type Safety Interlock Switch

Series Guardmaster 440G

Actuator Type Keyed

Contact Configuration Varies (e.g., 2NC/1NO)

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12-month warranty

All units tested

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Same-day dispatch

Order by 2pm CST

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

Keyed actuation for security Robust industrial design High safety integrity Prevents unauthorized access Reliable interlock function CE and UL certified

Product description

The Allen-Bradley 440G-T27171 is a Guardmaster safety interlock switch featuring a keyed actuator. This design provides enhanced security, ensuring that the safety switch can only be operated with the correct key, which is critical for maintaining the integrity of machine safety. Built for industrial durability.

This keyed safety switch is essential for applications requiring strict access control to hazardous machinery, commonly found in manufacturing, automation, and processing plants. It prevents unauthorized access and ensures that safety guards remain secured when machinery is in operation.

Stanlo Automation, a veteran-owned distributor of industrial surplus, offers the 440G-T27171. We provide quality components with efficient shipping, helping your facility maintain safety compliance and reduce operational interruptions.

Technical specifications

Type	Safety Interlock Switch
Series	Guardmaster 440G
Actuator Type	Keyed
Contact Configuration	Varies (e.g., 2NC/1NO)
Mounting	Surface Mount
Enclosure Rating	Varies (e.g., IP67)
Key Type	Specific to actuator

Common applications

Machine guards

Access doors

Key interlock systems

Automated machinery

Packaging equipment

Stamping presses

Hazardous areas

Compatible systems

Allen Bradley Guardmaster Safety Relays Allen Bradley Safety Controllers Key interlock systems

Also known as

Allen Bradley Guardmaster 440G Keyed Switch 440G Series Keyed Interlock AB 440G-T27171 Guardmaster Keyed Actuator

Replaces / compatible with

This safety switch belongs to the Allen-Bradley Guardmaster 440G series. Refer to Allen-Bradley documentation for specific part replacements or compatibility information within the series.

Technical note

Expert tip

Ensure the correct key is used with the 440G-T27171 keyed actuator to prevent accidental disarming of the safety interlock system.

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Frequently asked questions

What is the purpose of the keyed actuator on the 440G-T27171 safety switch?

The keyed actuator on the 440G-T27171 provides an added layer of security by requiring a specific key to operate the safety switch. This ensures that only authorized personnel can bypass the safety interlock, crucial for preventing accidental machine operation.