HP AA050D-4SN Pizzato Safety hinge switch

Why Choose the Pizzato HP AA050D-4SN Safety Hinge Switch?

The Pizzato HP AA050D-4SN is a robust safety hinge switch designed to combine the mechanical hinge function of a movable machine guard with electrical guard-position monitoring. Part of the Pizzato HP Series, it provides a compact integrated solution for hinged safety doors, guards and protective panels on industrial machinery.

This model uses a 50D contact block with 2NC snap-action contacts and positive-opening safety operation. Integrating the switching mechanism directly into the hinge allows movement of the guard itself to operate the safety contacts, reducing the need for a separate external key, tongue or lever actuator.

The HP AA050D-4SN features robust metal construction, a 4 m pre-wired cable and a bottom cable outlet. The movable hinge section measures 100 × 45 mm, while IP67 according to EN 60529 and IP69K according to ISO 20653 provide protection for demanding industrial environments.

Key Advantages

• Combines mechanical hinging and safety guard monitoring in one integrated component.
• 2NC snap-action contacts provide responsive guard-position switching.
• Positive-opening operation provides direct mechanical opening of the safety contacts.
• Robust metal body designed for industrial machine guarding.
• IP67 and IP69K protection supports use in demanding environments.
• Supplied with a 4 m pre-wired cable for convenient installation.
• Bottom cable outlet provides a defined downward cable-routing arrangement.
• Integrated hinge design reduces the need for exposed external guard actuators.

Key Features

• Pizzato HP Series safety hinge switch.
• 50D contact block.
• 2NC contact configuration.
• Snap-action switching mechanism.
• Positive-opening safety operation.
• Metal hinge body.
• IP67 protection according to EN 60529.
• IP69K protection according to ISO 20653.
• 4 m pre-wired cable.
• Bottom cable output.
• 100 × 45 mm movable hinge section.

Integrated Safety Monitoring for Hinged Machine Guards

Safety hinge switches integrate electrical guard-position monitoring directly into the mechanical hinge of a movable protective device. As the machine guard rotates, the hinge operates the internal switching mechanism, allowing the connected safety system to detect guard movement without requiring a separate key, tongue or external lever actuator.

The Pizzato HP AA050D-4SN combines this integrated arrangement with 2NC snap-action contacts and positive-opening operation. Its metal construction, 4 m pre-wired cable, bottom cable outlet and high degree of environmental protection make it a practical solution for dependable monitoring of hinged industrial guards.

Typical Applications

• Hinged machine guards and safety doors.
• Industrial safety enclosures and protective panels.
• Packaging and processing machinery.
• Automated manufacturing and assembly equipment.
• Machine tools and production cells.
• Robotic machinery enclosures.
• Conveyor and material handling equipment.
• OEM machinery and industrial safety systems.