RFQ

Allen Bradley Guardmaster 440N Series RFID Non-Contact Safety Switch, 24V dc, Stainless Steel Housing, 2NC, M12

  • NG # 02738-HW-ALBR-077

  • MF # 440N-Z21S17H

Manufactured By :
Allen Bradley
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Overview

Allen Bradley Guardmaster Sensaguard RFID Non-Contact Safety Switch, M12, 24V DC - 440N-Z21S17H


Protect machines and personnel with this safety switch from Rockwell Automation's Allen Bradley range. This sensitive device consists of an inductive sensor integrated with Radio Frequency Identification (RFID) technology that allows it to transmit digital data wirelessly. The unit is tamper-resistant and has a wide sensing field, which makes it tolerant to door misalignment and movements. As it's made of a steel material that provides superior impact and corrosion resistance, you can use it in harsh environments. An IP69K (ingress protection) rating means it can handle high-pressure and high-temperature water jets, making it a good choice for use in areas subject to frequent washdowns. You can use it for sliding, hinge or lift-off guard doors fitted to industrial machinery.


Features and Benefits


• LED (light-emitting diode) indicators clearly show door status for simple troubleshooting
• Compact dimensions of 67.06 (length) x 18mm (width) make it suitable for use in small spaces
• Automatic learning process at startup reduces downtime


Standards and certifications


• IEC61506 and IEC60947-5-3 (International Electrotechnical Commission)
• BS EN 61340-5-1:2007 (British Standard)
• ANSI/ESD S20.20:2014 (American National Standards Institute)
• UL (Underwriters' Laboratories)


Non-contact safety interlock switches improve protection for personnel by isolating the power supply to machinery when the guard door is released. This reduces the risk of injury to machine operators by preventing dangerous machine processes from running while the barrier is open.


How long will this switch last?


This switch has a MTTF (mean time to failure) of 385 years, so you can be assured of a reliably long service life.


Features and Benefits:


• No dedicated controller is required
• Multiple sensing directions for maximum application flexibility
• Uses the standard proximity bracket
• Short-circuit and over-voltage protection provides optimal stability
• Can be connected to a standard safety relay such as the MSR126, MSR127, MSR200/300 Family, SmartGuard™ and Safety I/O Block
• Can be connected in series with other safety components (light curtain, E-stops, key interlock switches)
• 2 x PNP safety outputs and 1 x PNP auxiliary output
• Fast, simple troubleshooting and door status with LED indication located on the switch


Applications:


Sliding
Hinge
Lift-off machine guard doors


Certifications:


IP69K rated
IEC60947-5-3
IEC61508
EN954
CE certified
UL listed
TUV certified


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.


The Allen Bradley Guardmaster range of machine safety switches and machine guarding components offers flexible and affordable solutions to enhance efficiency and productivity in the workplace while providing vital protection for your equipment and personnel. Their products are tested to global standards to ensure high quality and durability.

Specification

Supply Voltage24V dc
Safety Contacts2NC
Housing MaterialStainless Steel
Connection TypeM12
Actuator TypeCoded
Auxiliary ContactsNO
Safety Category4
Sensor PrincipleRFID
Actuator IncludedYes
Switching Distance10 mm
Series440N
RangeSensaguard
IP RatingIP69K
Width(Dia) 18mm
Length67.06mm

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