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Allen-Bradley 440G-T27134 Guardmaster TLS-GD2 safety switch for industrial machine guarding.

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Allen-Bradley 440G-T27134

by Allen-Bradley

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OverviewThe Allen-Bradley 440G-T27134 Guardmaster TLS-GD2 is a heavy-duty guard locking safety switch, specifically engineered to deliver superior protection within demanding industrial settings. Designed for essential machine guarding, this switch employs a reliable power-to-release solenoid, ensuring safety access points remain securely fastened until all identified hazards have ceased to exist. Its impressive 2000N (450 lb) holding force makes it perfectly suited for interlocking applications demanding high mechanical resilience. This model ships without an actuator, allowing for flexible integration with diverse safety systems, and includes an M20 conduit entry for straightforward electrical connections. The 440G-T27134 provides a dependable solution for safeguarding personnel and equipment in scenarios where hazardous motion dictates that barriers must remain locked until all dangerous movement has completely stopped.Key Features Power-to-Release Solenoid: Guarantees guards remain securely locked during power interruptions, boosting operational safety. High Holding Force: Delivers 2000N (450 lbs) of holding strength, ideal for robust interlocking applications. Flexible Contact Configuration: Includes 2 N.C. safety contacts and 1 N.O. auxiliary contact for comprehensive monitoring capabilities. 24V AC/DC Solenoid Voltage: Compatible with standard industrial power sources for effortless integration. M20 Conduit Entry: Standard M20 x 1.5 mm threading simplifies wiring and cable management. Durable Construction: Housed within a resilient die-cast metal TLS-GD2 enclosure, built to withstand harsh industrial environments. Adaptable Actuator Selection: Supplied without an actuator, providing users the freedom to select the most suitable actuator for their specific application requirements. Technical Specifications Catalog Number: 440G-T27134 Series: TLS-GD2 Guard Locking Safety Switches Solenoid Mechanism: Power to release Voltage: 24V AC/DC Contact Arrangement: 2 N.C. (Normally Closed) + 1 N.O. (Normally Open) Holding Force: 2000N (450 lbs) Actuator Included: No Conduit Connection: M20 threaded Operating Temperature: -10°C to +55°C Mounting Position: Any Housing Material: Die-cast metal Compliance: ISO 14119, ISO 13849-1 (up to PLe), IEC 62061 (up to SIL 3) Applications Machinery Guarding with Hazardous Motion: Essential for equipment where human access must be restricted until motion has fully ceased. Robot Cells and Automated Systems: Ensures safety interlocks for robotic work areas and industrial automation lines. Packaging and Material Handling: Provides secure access control for conveyor systems, packaging machinery, and material transfer points. Moving Machinery Access Control: Perfect for any equipment with moving components that present a risk to operators. Process Automation: Integrates seamlessly into automated processes that demand reliable guard locking and position monitoring. Why Choose This Model?Uncompromised SafetyThe power-to-release mechanism ensures that critical safety guards remain locked even during unexpected power outages, maximizing personnel protection.Robust SecurityWith a 2000N holding force, this switch provides exceptional resistance against forced entry, preserving the integrity of safety barriers.Proven ReliabilityAs part of the trusted Allen-Bradley Guardmaster TLS-GD2 series, it guarantees consistent performance and long-term durability in demanding industrial settings.Flexible IntegrationThe absence of a pre-installed actuator allows for customized solutions, enabling you to select the precise actuator required for your unique application.Global ComplianceAdheres to strict international safety standards, including ISO 14119, ISO 13849-1, and IEC 62061, ensuring worldwide applicability and peace of mind.Ease of InstallationFeatures a standard M20 conduit entry and versatile mounting options, simplifying installation and reducing downtime.Order NowInvest in unparalleled safety and reliability with the Allen-Bradley 440G-T27134 Guardmaster TLS-GD2 Guard Locking Safety Switch. This essential component is crucial for maintaining a secure and efficient industrial environment.FAQWhat is the primary function of the 440G-T27134?The 440G-T27134 is a guard locking safety switch designed to keep machine guards securely locked until hazardous conditions have passed, primarily using a power-to-release solenoid mechanism.What does "power-to-release" mean for this safety switch?A "power-to-release" mechanism means that the guard remains locked by default and only unlocks when power is applied, ensuring safety even in the event of a power failure.Is an actuator included with the 440G-T27134?No, this model is supplied without an actuator, allowing users to select an actuator that best fits their specific application needs.What is the holding force capacity of this safety switch?The 440G-T27134 offers a substantial holding force of 2000N (450 lbs), suitable for heavy-duty industrial applications.What certifications does the 440G-T27134 hold?This safety switch complies with major international safety standards, including ISO 14119, ISO 13849-1 (up to PLe), and IEC 62061 (up to SIL 3), ensuring broad applicability.

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PRODUCT DETAILS

Allen-Bradley 440G-T27134

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Catalog Number: 440G-T27134
  • Series: TLS-GD2 Guard Locking Safety Switches
  • Solenoid Mechanism: Power to release
  • Voltage: 24V AC/DC
  • Contact Arrangement: 2 N.C. (Normally Closed) + 1 N.O. (Normally Open)
  • Holding Force: 2000N (450 lbs)
  • Actuator Included: No
  • Conduit Connection: M20 threaded
  • Operating Temperature: -10°C to +55°C
  • Mounting Position: Any
  • Housing Material: Die-cast metal
  • Compliance: ISO 14119, ISO 13849-1 (up to PLe), IEC 62061 (up to SIL 3)

Applications

  • Machinery Guarding with Hazardous Motion: Essential for equipment where human access must be restricted until motion has fully ceased.
  • Robot Cells and Automated Systems: Ensures safety interlocks for robotic work areas and industrial automation lines.
  • Packaging and Material Handling: Provides secure access control for conveyor systems, packaging machinery, and material transfer points.
  • Moving Machinery Access Control: Perfect for any equipment with moving components that present a risk to operators.
  • Process Automation: Integrates seamlessly into automated processes that demand reliable guard locking and position monitoring.

Why Choose the 440G-T27134?

Uncompromised Safety

The power-to-release mechanism ensures that critical safety guards remain locked even during unexpected power outages, maximizing personnel protection.

Robust Security

With a 2000N holding force, this switch provides exceptional resistance against forced entry, preserving the integrity of safety barriers.

Proven Reliability

As part of the trusted Allen-Bradley Guardmaster TLS-GD2 series, it guarantees consistent performance and long-term durability in demanding industrial settings.

Flexible Integration

The absence of a pre-installed actuator allows for customized solutions, enabling you to select the precise actuator required for your unique application.

Global Compliance

Adheres to strict international safety standards, including ISO 14119, ISO 13849-1, and IEC 62061, ensuring worldwide applicability and peace of mind.

Ease of Installation

Features a standard M20 conduit entry and versatile mounting options, simplifying installation and reducing downtime.

Availability & Shipping

  • In stock: 440G-T27134 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 440G-T27134 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 440G-T27134 is a guard locking safety switch designed to keep machine guards securely locked until hazardous conditions have passed, primarily using a power-to-release solenoid mechanism.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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