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Allen-Bradley 440N-S32015 GuardMaster Sipha S21 Interlock Switch

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Allen-Bradley 440N-S32015

by Allen-Bradley

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OverviewElevate the safety protocols within your industrial environment with the Allen-Bradley 440N-S32015 GuardMaster Sipha S21 Interlock Switch. This advanced non-contact safety device is engineered to deliver superior protection for machinery and prevent unauthorized entry into dangerous zones. Housed in a robust red molded ABS plastic, this switch and actuator assembly is designed to endure demanding industrial conditions, ensuring lasting durability and unwavering performance. Its non-contact functionality significantly reduces wear, extending the product's lifespan and minimizing maintenance demands. Featuring both one normally closed (N.C.) and one normally open (N.O.) safety contact, the 440N-S32015 provides adaptable integration into a broad spectrum of safety control systems, offering the flexibility required for various industrial uses. The generous 3-meter cable allows for convenient and flexible installation, making it an optimal solution for diverse industrial settings.Key Features Advanced Non-Contact Technology Eliminates mechanical wear, ensuring exceptional reliability and an extended operational lifespan, thereby reducing the need for frequent replacements. Dual Safety Contacts (1 N.C. & 1 N.O.) Offers versatile integration into existing safety circuits, guaranteeing precise and secure operational control across various industrial configurations. Durable Molded ABS Red Plastic Casing Provides outstanding resistance to impact and harsh environmental elements, with its high-visibility red color enhancing workplace safety. Extended 3m Cable Length Permits maximum flexibility in mounting and wiring, simplifying installation in complex or expansive industrial layouts. Compact Rectangular Profile Streamlines installation, enabling easy fitting into confined spaces without compromising performance or safety. GuardMaster Sipha S21 Series Compliance Guarantees adherence to stringent safety standards, providing assurance and ensuring high-performance safety compliance. Vibration and Shock Resistant Designed to maintain optimal performance even in environments subject to significant vibration and shock, ensuring continuous safety. Technical Specifications Model: 440N-S32015 Series: GuardMaster Sipha S21 Switch Type: Non-Contact Interlock Switch Housing Material: Molded ABS Red Plastic Safety Contacts: 1 N.C. + 1 N.O. Cable Length: 3m (9.8 ft) Mounting Type: Rectangular Operating Principle: Magnetic Non-Contact Applications Critical machine guarding systems requiring dependable and fail-safe access control. Enhancing access control for hazardous zones in manufacturing, mitigating risk to personnel. Integration into industrial automation and manufacturing safety protocols to protect operators. Safeguarding conveyor and robotic systems, preventing accidental activation or injury. Use in packaging and assembly lines to ensure consistent and repeatable safety engagement. Ideal for applications where traditional mechanical switches might experience wear or contamination. Why Choose?Uncompromised SafetyAchieve superior machine safety with non-contact operation that minimizes mechanical wear, offering unparalleled reliability and a longer service life compared to conventional switches.Robust and ResilientBenefit from a durable molded ABS red plastic housing that not only ensures high visibility but also provides exceptional resistance to impact and chemicals, guaranteeing protection in harsh industrial environments.Seamless IntegrationIts versatile one normally closed and one normally open safety contacts, combined with a generous 3m cable length, enable straightforward and flexible integration into virtually any existing or new safety control system.Reduced DowntimeThe non-contact design minimizes maintenance requirements and potential failures, leading to increased uptime and improved operational efficiency for your critical machinery.Compliance and Peace of MindAs a component of the GuardMaster Sipha S21 series, this product adheres to rigorous safety standards, offering certainty and ensuring high-performance safety compliance.Order NowUpgrade your industrial safety infrastructure today with the Allen-Bradley 440N-S32015 GuardMaster Sipha S21 Interlock Switch. Contact us for pricing and availability to secure a safer working environment.FAQWhat are the primary benefits of a non-contact safety switch?Non-contact safety switches like the 440N-S32015 offer superior reliability and a longer lifespan compared to mechanical switches because they eliminate physical wear and tear, reducing maintenance and downtime.Can this switch be integrated into existing safety systems?Yes, with both normally closed and normally open contacts, the 440N-S32015 is designed for flexible integration into a wide range of existing or new safety control systems.What environments is the 440N-S32015 suitable for?Its durable molded ABS red plastic housing makes it resistant to impact and harsh industrial conditions, including environments with vibration and shock, making it ideal for various industrial settings.

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$291.00
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PRODUCT DETAILS

Allen-Bradley 440N-S32015

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

  • Model: 440N-S32015
  • Series: GuardMaster Sipha S21
  • Switch Type: Non-Contact Interlock Switch
  • Housing Material: Molded ABS Red Plastic
  • Safety Contacts: 1 N.C. + 1 N.O.
  • Cable Length: 3m (9.8 ft)
  • Mounting Type: Rectangular
  • Operating Principle: Magnetic Non-Contact

Applications

  • Critical machine guarding systems requiring dependable and fail-safe access control.
  • Enhancing access control for hazardous zones in manufacturing, mitigating risk to personnel.
  • Integration into industrial automation and manufacturing safety protocols to protect operators.
  • Safeguarding conveyor and robotic systems, preventing accidental activation or injury.
  • Use in packaging and assembly lines to ensure consistent and repeatable safety engagement.
  • Ideal for applications where traditional mechanical switches might experience wear or contamination.

Why Choose the 440N-S32015?

Uncompromised Safety

Achieve superior machine safety with non-contact operation that minimizes mechanical wear, offering unparalleled reliability and a longer service life compared to conventional switches.

Robust and Resilient

Benefit from a durable molded ABS red plastic housing that not only ensures high visibility but also provides exceptional resistance to impact and chemicals, guaranteeing protection in harsh industrial environments.

Seamless Integration

Its versatile one normally closed and one normally open safety contacts, combined with a generous 3m cable length, enable straightforward and flexible integration into virtually any existing or new safety control system.

Reduced Downtime

The non-contact design minimizes maintenance requirements and potential failures, leading to increased uptime and improved operational efficiency for your critical machinery.

Compliance and Peace of Mind

As a component of the GuardMaster Sipha S21 series, this product adheres to rigorous safety standards, offering certainty and ensuring high-performance safety compliance.

Availability & Shipping

  • In stock: 440N-S32015 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 440N-S32015 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

Non-contact safety switches like the 440N-S32015 offer superior reliability and a longer lifespan compared to mechanical switches because they eliminate physical wear and tear, reducing maintenance and downtime.

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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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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PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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