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Allen-Bradley 440H-R03079 Rotacam Hinge Safety Interlock Switch

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Allen-Bradley 440H-R03079

by Allen-Bradley

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OverviewThe Allen-Bradley 440H-R03079 Rotacam Hinge Safety Interlock Switch is an indispensable component for safeguarding industrial operations. This device is specifically engineered to monitor the precise position of hinged guards, doors, and access panels on machinery. The innovative Rotacam design enables direct integration within the hinge mechanism, offering a discrete, tamper-resistant, and aesthetically clean safety solution. This robust safety switch underscores Allen-Bradley's dedication to quality and safety, ensuring adherence to stringent safety regulations while maximizing machine uptime. The 440H-R03079 delivers exceptional reliability, making it a prime selection for diverse industrial safety applications demanding accuracy and endurance.Key Features Integrated Rotacam Design: Mounts directly into the hinge, providing a compact and highly tamper-resistant safety solution, eliminating external brackets or actuators. Dual Normally Closed (N.C.) Safety Contacts: Provides a redundant safety circuit, guaranteeing immediate and reliable interruption of power when the guard is opened, enhancing operator protection. Single Normally Open (N.O.) Auxiliary Contact: Supplies a crucial signal for status monitoring, diagnostic feedback, or integration into complex control systems, improving operational awareness. Break-Before-Make (BBM) Contact Timing: Ensures that safety contacts open before auxiliary contacts close during actuation, preventing hazardous momentary overlaps and enhancing system integrity. Robust 85mm Long, 12.7mm Diameter Solid Actuator Shaft: Constructed for durability and precise engagement, providing a secure and reliable connection to the hinged guard even in rigorous industrial settings. Standard M20 Conduit Entry: Facilitates straightforward and secure integration into existing electrical systems, simplifying wiring and ensuring compliance with industrial cabling standards. High-Durability Construction: Built to withstand harsh industrial environments, ensuring a long operational life and consistent performance, reducing maintenance and replacement costs. Technical Specifications Product Type: Hinge Safety Interlock Switch / Rotacam Switch Catalog Number: 440H-R03079 Brand: Allen-Bradley Series: Rotacam Safety Contacts: 2 Normally Closed (N.C.) Auxiliary Contacts: 1 Normally Open (N.O.) Contact Timing: Break-Before-Make (BBM) Actuator Shaft Length: 85 mm Actuator Shaft Diameter: 12.7 mm (Solid) Conduit Entry: M20 Application: Machine Guarding, Safety Interlocks Applications Machine Guarding on Hinged Doors: Essential for protecting operators from moving components by ensuring machinery deactivates when access doors are opened. Safety Interlocks on Access Panels: Ideal for secure monitoring of maintenance access points on industrial equipment, preventing unauthorized entry during operation. Robotics and Automation Cells: Crucial for safety compliance in automated environments, ensuring safe access to work areas only when power is disengaged. Processing and Packaging Equipment: Delivers reliable safety monitoring for hinged covers and access points on food processing, pharmaceutical, and packaging lines. Conveyor System Access Gates: Guarantees the safe cessation of conveyor movement when access gates are opened, preventing injuries during material handling. Heavy Machinery and Equipment: Appropriate for various heavy industrial applications requiring integrated and robust safety interlock solutions for hinged parts. Why Choose This Model?The 440H-R03079 provides superior safety performance with its dual N.C. contacts and BBM timing, offering robust protection for personnel. Its compact design allows for seamless integration without compromising space.Order NowEnsure the highest safety standards in your industrial environment. Contact us today to order your Allen-Bradley 440H-R03079 Rotacam Hinge Safety Interlock Switch.FAQWhat is the primary function of the Allen-Bradley 440H-R03079?The primary function is to monitor the precise position of hinged guards, doors, and access panels on machinery, ensuring safety by interrupting power when opened.How does the Rotacam design contribute to safety?The Rotacam design allows for direct embedding within the hinge mechanism, providing an ultra-compact, tamper-resistant, and aesthetically pleasing safety solution that is less prone to tampering.What kind of contact configuration does this switch have?It features dual Normally Closed (N.C.) safety contacts for redundant safety and a single Normally Open (N.O.) auxiliary contact for status monitoring.

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PRODUCT DETAILS

Allen-Bradley 440H-R03079

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

  • Product Type: Hinge Safety Interlock Switch / Rotacam Switch
  • Catalog Number: 440H-R03079
  • Brand: Allen-Bradley
  • Series: Rotacam
  • Safety Contacts: 2 Normally Closed (N.C.)
  • Auxiliary Contacts: 1 Normally Open (N.O.)
  • Contact Timing: Break-Before-Make (BBM)
  • Actuator Shaft Length: 85 mm
  • Actuator Shaft Diameter: 12.7 mm (Solid)
  • Conduit Entry: M20
  • Application: Machine Guarding, Safety Interlocks

Applications

  • Machine Guarding on Hinged Doors: Essential for protecting operators from moving components by ensuring machinery deactivates when access doors are opened.
  • Safety Interlocks on Access Panels: Ideal for secure monitoring of maintenance access points on industrial equipment, preventing unauthorized entry during operation.
  • Robotics and Automation Cells: Crucial for safety compliance in automated environments, ensuring safe access to work areas only when power is disengaged.
  • Processing and Packaging Equipment: Delivers reliable safety monitoring for hinged covers and access points on food processing, pharmaceutical, and packaging lines.
  • Conveyor System Access Gates: Guarantees the safe cessation of conveyor movement when access gates are opened, preventing injuries during material handling.
  • Heavy Machinery and Equipment: Appropriate for various heavy industrial applications requiring integrated and robust safety interlock solutions for hinged parts.

Why Choose the 440H-R03079?

The 440H-R03079 provides superior safety performance with its dual N.C. contacts and BBM timing, offering robust protection for personnel. Its compact design allows for seamless integration without compromising space.

Availability & Shipping

  • In stock: 440H-R03079 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 440H-R03079 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The primary function is to monitor the precise position of hinged guards, doors, and access panels on machinery, ensuring safety by interrupting power when opened.

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.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

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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