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HP AA052F-4PN Pizzato Safety hinge switch
Pizzato HP AA052F-4PN safety hinge switch with 1NO+2NC contacts, metal housing and IP67/IP69K protection for industrial guard door monitoring.
£59.59
Why Choose the Pizzato HP AA052F-4PN Safety Hinge Switch?
The Pizzato HP AA052F-4PN is a heavy-duty safety hinge switch engineered for monitoring hinged guards, access doors and machine enclosures in industrial automation systems. As part of the advanced Pizzato HP series, it integrates the safety switching mechanism directly into the hinge, eliminating the need for external actuators and improving both reliability and tamper resistance.
Constructed with a robust metal housing, this hinge switch is designed for long-term use in harsh industrial environments. Its integrated design ensures precise and repeatable detection of door position, maintaining alignment and consistent performance over time.
Featuring a 1 NO + 2 NC slow-action contact configuration with positive opening contacts, the HP AA052F-4PN is ideal for safety circuits requiring redundancy and compliance with machinery safety standards. It includes a 4 metre PVC cable for flexible installation and reliable connectivity.
Key Advantages
- Integrated hinge safety switch eliminates external actuators and reduces installation complexity.
- 1 NO + 2 NC contacts provide redundancy for safety and control circuits.
- Positive opening mechanism ensures safe disconnection even in fault conditions.
- Metal housing construction for durability in industrial environments.
- IP67 / IP69K protection rating for resistance to dust, water and washdown conditions.
- 4 m pre-wired cable allows flexible installation across machinery layouts.
Key Features
- Pizzato HP series safety hinge switch.
- Integrated hinge-mounted design for guard doors.
- Contact configuration: 1 NO + 2 NC.
- Slow-action switching mechanism.
- Positive opening safety contacts.
- Metal enclosure with industrial-grade durability.
- PVC cable output (rear connection).
- Approx. 100 × 50 mm movable hinge section.
Integrated Safety for Hinged Guards
The HP AA052F-4PN is designed specifically for hinged safety guards where conventional switches may be exposed to misalignment or tampering. By integrating the switch into the hinge body, it ensures accurate monitoring of door position while maintaining mechanical alignment throughout its lifecycle.
Its positive opening contacts and redundant configuration provide high reliability in safety circuits, helping meet modern machinery safety requirements and standards.
Typical Applications
- Machine guard door monitoring.
- Industrial safety interlocking systems.
- Packaging and processing machinery.
- Robotics and automated production cells.
- OEM machine safety integration.
- Access control on industrial enclosures.
Technical Specifications
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| Device Type | Hinge switch | |
|---|---|---|
| Product Series | Pizzato HP | |
| IP Rating | IP67 | |
| Contacts | 1NO + 2NC | |
| Safety Switch Type | Hinge switch | |
| Housing Material | Metal | |
| Series | HP Series | |
| Product type | Safety hinge switch | |
| Contact configuration | 1 NO + 2 NC | |
| Switching mechanism | Slow-action | |
| Positive opening | Yes | |
| Housing material | Metal | |
| Protection rating | IP67 (EN 60529), IP69K (ISO 20653) | |
| Rated voltage | up to 250 V AC | |
| Cable type | PVC insulated cable | |
| Cable length | approx. 4 metres | |
| Actuation angle | 0° hinge activation | |
| Application | Guard doors and safety interlocks | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato HP AA052F-4PN used for?
It is used to monitor the position of hinged safety guards and ensure machinery operates safely only when doors are closed.
Why use a hinge safety switch instead of a standard limit switch?
Hinge switches integrate directly into the door hinge, preventing misalignment and reducing the risk of tampering or bypassing.
What contact configuration does it have?
It features 1 normally open and 2 normally closed contacts for safety redundancy.
Is it suitable for harsh environments?
Yes, with IP67 and IP69K protection and a metal housing, it is designed for demanding industrial conditions.
What does positive opening mean?
Positive opening ensures that safety contacts are mechanically forced open even if contact welding occurs, improving system safety.
Trusted by Machine Safety Engineers
Pizzato HP series hinge safety switches are widely used by automation engineers and machine builders to deliver reliable guard monitoring, robust construction and compliance with industrial safety standards.
