NG 2D1D421E-F31 Pizzato NG series safety switch with lock and integrated control devices, with actuator

Why Choose the Pizzato NG 2D1D421E-F31 Safety Switch with Lock?

The Pizzato NG 2D1D421E-F31 is an advanced RFID safety switch with guard locking and integrated control devices designed for monitoring and securing protective guards, doors and access points on industrial machinery. Part of the Pizzato NG series, it combines electronically coded actuator detection, robust mechanical guard locking and local operator controls within a durable metal housing.

This model uses the D working principle, meaning the actuator remains locked while the locking electromagnet is de-energised. Its electronic architecture provides two IS1–IS2 safety inputs, two OS1–OS2 safety outputs, an O3 signalling output for actuator-inserted status and an O4 signalling output for actuator-locked status. Mode 2 operation activates the safety outputs when the actuator is inserted, providing guard-position monitoring independently of the locking status signal.

The NG 2D1D421E-F31 incorporates two integrated pushbuttons, with a white 1NO+1NC pushbutton in position 1 and a black 1NO+1NC pushbutton in position 2. It is supplied complete with the VN NG-F31 high-level coded RFID actuator, providing enhanced resistance to actuator substitution while creating a compact safety and operator-control solution for automated machinery.

Key Advantages

• Combines RFID guard monitoring, guard locking and two operator pushbuttons within one assembly.
• Supplied with a VN NG-F31 high-level coded RFID actuator for enhanced protection against manipulation.
• White 1NO+1NC pushbutton provides a versatile local machine-control input.
• Black 1NO+1NC pushbutton provides an additional local operator command.
• Mode 2 safety logic activates OS1 and OS2 when the actuator is inserted.
• De-energised locking principle keeps the actuator locked while the electromagnet is not energised.
• Separate O3 and O4 signalling outputs provide actuator-inserted and actuator-locked status information.
• Integrated controls can reduce the requirement for separate operator control stations around guarded machinery.

Key Features

• Pizzato NG series safety switch with lock and integrated control devices.
• Electronically coded RFID actuator detection.
• Position 1: white pushbutton, 1NO+1NC.
• Position 2: black pushbutton, 1NO+1NC.
• VN NG-F31 high-level coded actuator supplied with the switch.
• D working principle with actuator locked when the electromagnet is de-energised.
• 2 safety inputs IS1–IS2.
• 2 safety outputs OS1–OS2.
• O3 signalling output for actuator-inserted status.
• O4 signalling output for actuator-locked status.
• Electromagnet activation through I4 or IE1–IE2 inputs.
• I3 actuator programming / reset input.
• Mode 2: safety outputs active with actuator inserted.
• Metal housing with orientable operating head.
• Three threaded M20 × 1.5 cable entries.
• IP65 protection according to EN 60529.

Reliable Guard Monitoring and Operator Control for Industrial Machinery

The Pizzato NG 2D1D421E-F31 combines coded guard detection and mechanical guard locking with electronic safety outputs for integration into modern machine safety systems. Its Mode 2 configuration activates OS1 and OS2 when the actuator is inserted, while the dedicated O4 output separately communicates the actuator-locking condition to the control system.

The integrated white and black 1NO+1NC pushbuttons provide two local operator commands directly at the guarded access point. Combining these controls with the safety interlock can simplify machine layouts, reduce separate panel components and provide operators with convenient access to machine functions alongside the protective guard.

Typical Applications

• Machine guard doors and protective access panels.
• Automated production and assembly machinery.
• Robotic cells and safeguarded manufacturing areas.
• Packaging and processing equipment.
• Conveyor and material handling systems.
• Machine tools and automated manufacturing equipment.
• Industrial machinery requiring guard locking and integrated local operator controls.