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Allen-Bradley 440N-S32023 Sipha S22 Non-Contact Interlock Switch in red ABS plastic

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Allen-Bradley 440N-S32023

by Allen-Bradley

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OverviewElevate industrial safety with the Allen-Bradley 440N-S32023 Sipha S22 Non-Contact Interlock Switch. Engineered for crucial machine guarding and extensive industrial safety needs, this dependable interlock switch delivers exceptional reliability. Constructed from durable molded ABS red plastic, its rectangular form ensures consistent operation in demanding industrial settings. The 440N-S32023 integrates smoothly into existing safety circuits with one normally closed and one normally open safety contact, plus an extra normally closed auxiliary contact. This exact arrangement guarantees dependable safety interlocking, enhancing both safety and operational efficiency. Furthermore, a generous 3-meter cable offers outstanding flexibility for installation, adapting easily to various control panel setups and spatial requirements.Key Features Advanced Non-Contact Sipha S22 Technology: Provides optimal machine safeguarding without physical contact, reducing wear and extending operational life. Comprehensive Safety Contact Arrangement: Includes 1 N.C. + 1 N.O. safety contacts and 1 N.C. auxiliary contact for reliable and redundant safety circuit monitoring. Ergonomic Rectangular Design: Features an intuitive head and actuator for straightforward installation and precise alignment, minimizing setup time. High-Durability Molded ABS Red Housing: Manufactured from premium, impact-resistant ABS plastic, offering superior longevity and resistance to harsh industrial environments, chemicals, and temperature shifts. Extended 3-Meter Cable: Delivers significant flexibility in mounting choices and wiring designs, enabling versatile integration into diverse industrial configurations. Adherence to Industrial Safety Standards: Meticulously engineered to meet rigorous industrial safety regulations, ensuring secure and compliant operations. Reliable Performance in Demanding Environments: Designed to provide consistent and dependable performance, protecting personnel and equipment during continuous operation. Technical Specifications Model: 440N-S32023 Series: Sipha S22 Housing Material: Molded ABS Red Plastic Switching Contacts: 1 N.C. + 1 N.O. Safety Contacts, 1 N.C. Auxiliary Contact Actuation Type: Non-Contact Cable Length: 3m Mounting: Rectangular Head and Actuator Applications Crucial Machine Guarding: Essential for protecting operators and machinery across various industrial sectors by ensuring equipment remains safely interlocked during operation or maintenance. Conveyor and Process Control Systems: Ideal for integrating into automated production lines, providing vital interlocking for conveyor systems and other process control applications to prevent unexpected starts. Equipment Access Protection: Safeguards entry points to hazardous machinery and restricted areas, preventing unauthorized access and ensuring personnel safety during operation. Industrial Automation and Robotics: Key component in advanced automation setups, offering essential safety interlocking for robotic cells and automated manufacturing processes. Packaging and Material Handling: Enhances safety protocols in packaging machinery and material handling equipment, reducing risks associated with moving parts. Compliance in Regulated Industries: Supports adherence to strict safety regulations in industries such as automotive, food and beverage, pharmaceuticals, and general manufacturing. Why ChooseThe Allen-Bradley 440N-S32023 provides an outstanding level of protection, utilizing non-contact technology to prevent interference and ensure reliable operation, significantly reducing the potential for industrial accidents. With its robust molded ABS red plastic housing, this switch is designed for Order NowSecure your operations with the Allen-Bradley 440N-S32023 Sipha S22 Non-Contact Interlock Switch. Contact us today for pricing and availability, and take the next step towards enhanced industrial safety and compliance. Our team is ready to assist you in selecting the ideal safety solutions for your specific application needs.FAQWhat is the primary function of the Allen-Bradley 440N-S32023?The primary function of the 440N-S32023 is to serve as a non-contact interlock switch for machine guarding, ensuring equipment remains safely secured during operation or maintenance.What type of contacts does this safety switch feature?This safety switch includes one normally closed (N.C.) and one normally open (N.O.) safety contact, along with an additional normally closed (N.C.) auxiliary contact.What is the material of the switch housing?The switch housing is constructed from durable molded ABS red plastic, offering superior resistance to harsh industrial conditions.How long is the cable included with the switch?The switch comes with an extended 3-meter cable, providing ample length for flexible installation and wiring layouts.In what types of environments can this switch be used?This switch is engineered for reliable performance in demanding industrial environments, including critical machine guarding, conveyor systems, robotics, and packaging applications.

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PRODUCT DETAILS

Allen-Bradley 440N-S32023

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-S32023
  • Series: Sipha S22
  • Housing Material: Molded ABS Red Plastic
  • Switching Contacts: 1 N.C. + 1 N.O. Safety Contacts, 1 N.C. Auxiliary Contact
  • Actuation Type: Non-Contact
  • Cable Length: 3m
  • Mounting: Rectangular Head and Actuator

Applications

  • Crucial Machine Guarding: Essential for protecting operators and machinery across various industrial sectors by ensuring equipment remains safely interlocked during operation or maintenance.
  • Conveyor and Process Control Systems: Ideal for integrating into automated production lines, providing vital interlocking for conveyor systems and other process control applications to prevent unexpected starts.
  • Equipment Access Protection: Safeguards entry points to hazardous machinery and restricted areas, preventing unauthorized access and ensuring personnel safety during operation.
  • Industrial Automation and Robotics: Key component in advanced automation setups, offering essential safety interlocking for robotic cells and automated manufacturing processes.
  • Packaging and Material Handling: Enhances safety protocols in packaging machinery and material handling equipment, reducing risks associated with moving parts.
  • Compliance in Regulated Industries: Supports adherence to strict safety regulations in industries such as automotive, food and beverage, pharmaceuticals, and general manufacturing.

Why Choose the 440N-S32023?

The Allen-Bradley 440N-S32023 provides an outstanding level of protection, utilizing non-contact technology to prevent interference and ensure reliable operation, significantly reducing the potential for industrial accidents. With its robust molded ABS red plastic housing, this switch is designed for

Availability & Shipping

  • In stock: 440N-S32023 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-S32023 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The primary function of the 440N-S32023 is to serve as a non-contact interlock switch for machine guarding, ensuring equipment remains safely secured during operation or maintenance.

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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