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NB B220AB-DN2W5 Pizzato Modular prewired switch with plunger
Pizzato NBB220AB-DN2W5 safety limit switch with metal housing, plunger actuator, 2 NO and 2 NC contacts, positive opening mechanism and 5-core cable for industrial safety applications.
£29.27
Why Choose the Pizzato NBB220AB-DN2W5 Safety Limit Switch?
The Pizzato NBB220AB-DN2W5 is a heavy-duty safety limit switch engineered for high-reliability position monitoring and machine safety interlocking in industrial automation systems. As part of the modular Pizzato NB series, it is designed for demanding environments where durability, redundancy and safety compliance are critical.
Constructed with a rugged metal housing, this switch provides excellent resistance to vibration, impact and harsh industrial conditions. It is ideally suited for machine guarding and automation applications where precise detection and long-term reliability are essential.
The NBB220AB-DN2W5 features a plunger actuator and a snap-action contact mechanism with positive opening operation, ensuring dependable disconnection in safety circuits. This variant includes a pre-wired PVC cable (approx. 2 m, 5-core), offering enhanced wiring flexibility for complex safety and control systems.
Key Advantages
- Heavy-duty metal housing for industrial durability.
- Positive opening contacts for safety-critical applications.
- 5-core cable configuration for flexible wiring.
- High contact redundancy with multiple outputs.
- Compact modular design for easy integration.
- Long mechanical life for reduced maintenance.
Key Features
- Pizzato NB series modular pre-wired limit switch.
- Plunger actuator for linear position detection.
- 2 NO + 2 NC contact configuration for high safety redundancy.
- Snap-action switching mechanism.
- Positive opening operation compliant with EN 60947-5-1.
- IP67 protection rating for industrial environments.
- Metal housing with approx. 25 mm fixing centres.
- PVC cable connection (approx. 2 m, 5-core).
Designed for High-Integrity Safety Systems
The Pizzato NBB220AB-DN2W5 is engineered to monitor machine positions and ensure safe operation by triggering control responses when limits are reached. Its 2 NO + 2 NC contact configuration enables multiple redundant signals, supporting higher safety integrity levels and improving overall system reliability.
The positive opening mechanism guarantees reliable contact separation even under fault conditions, making this switch suitable for demanding industrial safety applications.
Typical Applications
- Machine guarding and safety interlocking systems.
- Industrial automation and control systems.
- Position monitoring of machinery and moving parts.
- Packaging and production equipment.
- Conveyor and material handling systems.
- OEM machinery requiring redundant safety signals.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Switching Action | Snap action | |
| IP Rating | IP67 | |
| Contacts | 2NO + 2NC | |
| Actuator Type | Plunger | |
| Housing Material | Metal | |
| Connection | Pre-wired cable | |
| Series | NB Series | |
| Product type | Safety limit switch | |
| Contact configuration | 2 NO + 2 NC | |
| Contact type | Snap action with positive opening | |
| Actuator type | Plunger | |
| Rated insulation voltage | up to 300 V | |
| Thermal current | up to 10 A | |
| Protection rating | IP67 | |
| Housing material | Metal | |
| Mechanical life | >10 million operations | |
| Operating temperature | approx. -25 to +80 °C | |
| Connection type | Pre-wired PVC cable (approx. 2 m, 5-core) | |
| Mounting type | Surface mounting | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato NBB220AB-DN2W5 used for?
This switch is used for position detection and safety monitoring in industrial machinery and automation systems.
What contact configuration does this model have?
The NBB220AB-DN2W5 features 2 normally open (NO) and 2 normally closed (NC) contacts.
What does the W5 designation mean?
The W5 variant indicates a 5-core cable connection, providing additional wiring flexibility for complex safety circuits.
What type of actuator does it use?
This model uses a plunger actuator for precise linear position detection.
Is it suitable for safety applications?
Yes, it includes a positive opening mechanism compliant with industrial safety standards.
Trusted by Industrial Engineers Worldwide
Pizzato safety limit switches are trusted globally for their robust construction, precision engineering and reliable performance in industrial safety applications.
