RFQ

Allen Bradley Guardmaster 440N Series RFID Non-Contact Safety Switch, 24V dc, Plastic Housing, M12

  • NG # 02766-HW-ALBR-105

  • MF # 440N-Z21US2H

Manufactured By :
Allen Bradley
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Overview

Allen Bradley Guardmaster Sensaguard 440N RFID Non-Contact Safety Switch


Optimise your safety system and establish exceptional security for your machine guard with the Sensaguard RFID rectangular non-contact safety switch by Allen Bradley Guardmaster.


The Sensaguard safety switches have advanced latest generation Radio Frequency Identification technology for coding and inductive technology for sensing, making them highly tamper resistant and dependable. They feature a wide sensing range and tolerance to door misalignment. Designed to be installed on machine guard doors, these non-contact switches offer a superior level of security and protection to reduce risk of injury, damage to equipment, and overall downtime. The Sensaguard range is perfectly suited to meet a wide range of industrial applications.


Features and Benefits:


• Highly tamper-proof due to secure RFID sensing
• No dedicated controller is required
• Can be connected in series with other safety components (light curtain, E-stops, key interlock switches)
• LED is located on the switch for door status and fast diagnostics
• High IP69K environmental protection rating
• 3 PNP outputs (including 1 auxiliary)
• Multiple sensing directions offers greater flexibility
• Highly reliable due to short-circuit and over-voltage protection
• Uses the standard proximity brackets


Standards: EN 60947-5-3, IEC 61508, EN 954


440N-Z21US2H Safety Switch


The 440N-Z21US2H Sensaguard Safety Switch comes with a unique coded actuator and has an assured sensing distance of 18mm. It has a 6 inch Pigtail with 8- pin Micro (M12) connector. Door status indication and diagnostics is fast and easy due to the LED indicator on the switch. This unit is highly suitable for use with sliding, hinged, and lift-off safety guards.


This non-contact safety switch can be connected standard safety relays, SmartGuards and safety I/O blocks. It maintains PLe, SIL 3, Cat 4 rating even with multiple units connected in series. It also has an excellent IP69K rating, which ensures that it can withstand high pressure wash-downs and is also fully dust-tight.


Note: This device can be used with Guardlink, a new safety linking technology from Allen Bradley Guardmaster. Guardlink simplifies and reduces the connection time of the safety system, whilst providing real-time diagnostic information over Ethernet IP. This makes it simple to identify the location of the device that has tripped the system, thus reducing downtime, and improving the machines overall efficiency. For more details, please go to the Guardlink brochure.


Rockwell Automation is a global leader in industrial automation and digital transformation, and brings smart manufacturing to life. With a long legacy of creating Allen-Bradley® integrated control and information solutions, we help make you as productive as possible. Our portfolio of sensing, safety and motor control products can support your move towards smart machine applications. Allen-Bradley® IO-Link sensors are data-enabled and communicate with all field buses, providing diagnostic and health information about the device before a machine stops, and enabling quick production changeovers through fast parameter downloads from PLCs into the device. This reduces machine downtime and increases manufacturing OEE. For safety components, products with built-in diagnostics simplify the set-up of the smart device, and reduce maintenance, leading to a more efficient, machine data-driven approach.


What is RFID?


RFID stands for Radio Frequency Identification, which is a non-contact method of transferring digital data via radio frequency waves. Devices with this type of wireless communication usually consist of an RFID tag, an RFID reader, and an antenna. The tag transmits data when triggered by an electromagnetic pulse from the reader. This technology is used widely in many industries, for example with tracking inventory goods, personnel tracking and identification, and restricted area access. Non-contact switches with this technology are highly tamper-proof as they cannot be manipulated, providing a higher level of security.

Specification

Supply Voltage24V dc
Housing MaterialPlastic
Connection TypeM12
Actuator TypeUnique Coded
Safety Category4
Sensor PrincipleRFID
Actuator IncludedYes
Switching Distance18 mm
Series440N
RangeSensaguard
IP RatingIP69K
Depth20.65mm
Width24.99mm
Length88.14mm

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