RFQ

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

  • NG # 02702-HW-ALBR-041

  • MF # 440N-Z21SS2HN

Manufactured By :
Allen Bradley
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Overview

Allen Bradley Guardmaster 440N-Z21SS2HN RFID Non-Contact Safety Switch


Establish a higher level of machine safety in your workplace with the SensaGuard 440N RFID non-contact safety switch, with plastic housing, 24 V dc, by Allen Bradley Guardmaster. This highly reliable switch is designed for installation on safety guards and gates and prevents personnel from accessing unsafe areas by instantly cutting the supply power to machinery when the barrier is opened. It is well suited for applications such as hinge, sliding, and lift-off machine guard doors.


The 440N-Z21SS2HN switch is a cost-effective solution which features the latest generation of RFID (Radio Frequency Identification) technology for coding and inductive technology for sensing, making it highly resistant to tampering. It also has a large sensing range and tolerance to door misalignment to optimise safety guard stability and security. LED indication on the switch offers fast diagnostics for switch status, fault finding, and margin alignment, which minimises downtime. It has short circuit and over voltage protection, allowing the switch to be reset. SensaGuard switches can be connected in series with other devices such as light curtains, E-stops, and key interlock switches. They have an IP69K environmental rating, making them ideally suited for wet environments and a wide variety of industrial safety applications, as they can withstand powerful water jets and are dust-tight.


The 440N series allows immediate opening of the guard door as there is no physical contact required with the actuator, and risk of debris contamination is also reduced. This switch is designed for easy mounting on aluminium profile and has simple setup and alignment to help decrease installation costs.


Allen Bradley Guardmaster aim to maximise protection, efficiency, and productivity in your workplace with their wide range of machine safety and monitoring devices. With their high-quality safety products recognised for excellence and innovation across the globe, you can be sure to find a flexible and secure solution for your application.


Note:
Stainless steel version available which is more suitable for use in harsh environments
This switch is supplied with an actuator


Features and Benefits:


• It has a supply voltage rating of 24 V dc
• Comes with a plastic rectangular sensor, rectangular actuator, and 8-pin micro M12 connector quick connect 6 inch pigtail for simplified installation and maintenance
• Two PNP outputs and one auxiliary PNP
• Multiple sensing directions and sensing range of 10%
• Adjustable magnetic latch force 20…60N
• No dedicated controller is required
• Uses the standard proximity bracket
• SensaGuard devices can be connected to a standard safety relay, for example, the MSR126, MSR127, MSR200/300 Family, SmartGuard™ and Safety I/O Blocks


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. RFID 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
Safety Contacts2NC
Housing MaterialPlastic
Connection TypeMicro M12
Actuator TypeCoded
Auxiliary Contacts1 PNP
Safety Category4
Sensor PrincipleRFID
Actuator IncludedYes
Switching Distance15 mm
Series440N
RangeSensaguard
IP RatingIP69K
Length88.14mm
Depth20.65mm
Width24.99mm

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