NG 2D9D421A-F31 Pizzato NG series safety switch with lock, with actuator

Why Choose the Pizzato NG 2D9D421A-F31 Safety Switch?

The Pizzato NG 2D9D421A-F31 is a robust RFID safety switch with solenoid guard locking and remote escape release, designed for reliable monitoring and protection of machine guards, access doors and hazardous areas in industrial automation systems. As part of the advanced Pizzato NG safety switch series, it combines non-contact RFID actuator detection, electronic safety monitoring, guard locking and remote escape release in a durable metal housing.

The D working principle locks the actuator when the 24 V DC solenoid is de-energised, providing a fail-safe locking arrangement for applications where the guard should remain locked following loss of electrical power. The switch incorporates a remote escape release mechanism with self-monitoring cable tension, allowing the guard to be released from within the protected area when correctly connected to the appropriate remote release button.

The NG 2D9D421A-F31 is configured with activation mode 2, where both safety outputs become active when the actuator is inserted. The supplied VN NG-F31 high-coded RFID actuator provides a high coding level according to EN ISO 14119, helping prevent manipulation through actuator substitution. Its IP67 and IP69K protection makes it suitable for demanding industrial machine guarding applications.

Key Advantages

• Advanced RFID safety switch with solenoid guard locking.
• D working principle locks the actuator when the solenoid is de-energised.
• Supplied with a high-coded VN NG-F31 RFID actuator.
• Integrated remote escape release supports personnel release from the protected area.
• Remote release cable includes self-monitoring of cable tension.
• Activation mode 2 provides safety outputs when the actuator is inserted.
• Robust metal housing with IP67 and IP69K protection.
• Suitable for high-performance machine safety systems and industrial automation.

Key Features

• Pizzato NG safety switch series with RFID technology.
• NG 2D9D421A-F31 safety switch with guard locking and remote escape release.
• D working principle with actuator locked by a de-energised solenoid.
• 24 V DC solenoid operating system.
• Rotating head with remote escape release.
• VN NG-F31 high-coded RFID actuator supplied.
• High actuator coding level according to EN ISO 14119.
• Non-contact digitally coded actuator detection.
• Two safety inputs IS1 and IS2.
• Two safety outputs OS1 and OS2.
• Signalling output O3 for actuator inserted status.
• Signalling output O4 for actuator locked status.
• I4 or IE1-IE2 inputs for solenoid activation.
• I3 input for actuator programming and reset.
• Activation mode 2 with safety outputs active when the actuator is inserted.
• Remote escape release cable with self-monitoring of cable tension.
• Device can be turned in 90° steps for flexible installation.
• Three threaded M20 × 1.5 conduit entries.
• Supplied without connector.

Reliable Machine Guarding and Safety Control

The Pizzato NG series combines RFID actuator recognition with electronic safety monitoring and guard locking to provide a dependable interface between machine guards and safety control systems. The non-contact RFID technology detects the high-coded actuator while the electronic safety outputs communicate the guard status to a suitable safety PLC or safety module.

The NG 2D9D421A-F31 uses the D working principle, meaning the actuator remains locked when the solenoid is de-energised. Its activation mode 2 configuration enables both safety outputs when the actuator is inserted, while separate signalling outputs provide information about actuator insertion and locking. The remote escape release provides a means of releasing the guard from the protected area, with cable tension monitoring helping detect problems with the remote release mechanism.

Typical Applications

• Machine guarding and safety access doors.
• Industrial production and processing machinery.
• Automated manufacturing systems.
• Packaging and material handling equipment.
• Robotic cells and automated workstations.
• Machines with hazardous movement or stored energy.
• Safety circuits requiring RFID-coded guard locking.
• Machinery requiring remote escape release from guarded areas.