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FM 21A7-M2 Pizzato Position switch with one-way roller adjustable, external gasket
Pizzato FM21A7-M2 safety limit switch with adjustable one-way roller actuator, metal housing and 3 NC positive opening contacts for industrial machine safety and position detection.
£15.27
Why Choose the Pizzato FM21A7-M2 Safety Limit Switch?
The Pizzato FM21A7-M2 is a heavy-duty safety limit switch with adjustable one-way roller actuator, engineered for precise position detection and reliable machine safety in demanding industrial environments. As part of the durable Pizzato FM series, it delivers dependable performance for safety-critical automation systems.
This model features an adjustable one-way roller lever actuator, allowing controlled actuation from a single direction while offering flexible installation. This reduces mechanical wear and ensures accurate, repeatable triggering when interacting with cams and moving machine components. Its metal housing with external gasket provides strong resistance to dust, moisture and mechanical stress, making it ideal for harsh industrial conditions.
Equipped with positive opening safety contacts and slow-action switching, the FM21A7-M2 ensures safe and controlled disconnection in safety circuits. With a 3 normally closed (NC) contact configuration, it provides enhanced safety redundancy for advanced machine protection systems.
Key Advantages
- Heavy-duty safety limit switch with adjustable one-way roller actuator.
- 3 NC safety contacts for increased redundancy in safety circuits.
- Positive opening operation ensures reliable disconnection.
- Directional actuation reduces wear and extends service life.
- Rugged metal housing with external gasket for harsh environments.
- Easy integration into industrial safety and automation systems.
Key Features
- Pizzato FM series industrial position switch.
- Adjustable one-way roller actuator.
- 3 normally closed (NC) contacts.
- Slow-action switching with safety contact separation.
- Metal housing with external sealing gasket.
- M20 × 1.5 conduit entry for industrial wiring.
- Designed for high mechanical endurance and long service life.
Engineered for High-Safety Industrial Applications
The FM21A7-M2 is designed for applications requiring multiple safety contacts and high reliability. Its 3 NC configuration allows enhanced monitoring and redundancy, making it ideal for complex safety circuits and machine guarding systems.
Pizzato limit switches are widely used across industries including manufacturing, automotive and material handling, offering robust construction and high protection ratings for reliable long-term operation.
Typical Applications
- Machine guarding and safety interlock systems.
- High-redundancy safety circuits.
- Conveyor and material handling systems.
- Position detection in industrial machinery.
- Packaging and processing equipment.
- OEM automation and machine building applications.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Switching Action | Slow action | |
| IP Rating | IP67 | |
| Contacts | 3NC | |
| Actuator Type | Roller lever | |
| Housing Material | Metal | |
| Connection | M20 cable entry | |
| Series | FM Series | |
| Product type | Safety limit / position switch | |
| Contact configuration | 3 NC (slow action) | |
| Safety function | Positive opening operation | |
| Actuator type | Adjustable one-way roller lever | |
| Rated insulation voltage | up to 500 V AC | |
| Thermal current | up to 10 A | |
| Protection rating | IP67 | |
| Housing material | Metal housing with external gasket | |
| Cable entry | M20 × 1.5 (no cable gland supplied) | |
| Reset function | Without reset | |
| Mounting type | Surface mounting | |
| Standards compliance | IEC / EN 60947-5-1, ISO 13849 compatible | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FM21A7-M2 used for?
This switch is used for safety monitoring and position detection in industrial machinery, especially in applications requiring multiple safety contacts.
What contact configuration does it have?
The FM21A7-M2 features 3 normally closed (NC) safety contacts with slow-action switching.
What is the benefit of having 3 NC contacts?
Multiple NC contacts provide redundancy, improving safety monitoring and fault detection in critical systems.
Is this switch suitable for harsh environments?
Yes, its metal housing and IP67 protection rating make it suitable for demanding industrial environments.
Does it include a cable gland?
No, the device includes an M20 × 1.5 entry but does not come with a cable gland.
Trusted by Industrial Engineers
Pizzato FM series safety switches are trusted worldwide for their rugged construction, precise actuation and dependable performance in safety-critical industrial automation applications.
