Alpha Wire Blanking Plug, PG21, Plastic, 33mm Diameter, Threaded
- RS Stock No.:
- 175-3747
- Mfr. Part No.:
- HPP21 BK080
- Brand:
- Alpha Wire
Bulk discount available
Subtotal (1 bag of 10 units)*
£3.70
(exc. VAT)
£4.40
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 390 unit(s) ready to ship
- Plus 1,080 unit(s) ready to ship from another location
- Plus 450 unit(s) shipping from 11 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Bag* |
|---|---|---|
| 10 - 90 | £0.37 | £3.70 |
| 100 - 240 | £0.356 | £3.56 |
| 250 - 490 | £0.348 | £3.48 |
| 500 + | £0.337 | £3.37 |
*price indicative
- RS Stock No.:
- 175-3747
- Mfr. Part No.:
- HPP21 BK080
- Brand:
- Alpha Wire
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Alpha Wire | |
| Thread Size | PG21 | |
| Material | Plastic | |
| Plug Type | Blanking | |
| Diameter | 33mm | |
| Threaded/Unthreaded | Threaded | |
| Colour | Black | |
| IP Rating | IP66, IP68 | |
| Series | FIT Wire Management | |
| Standards Met | UL | |
| Maximum Operating Temperature | +150°C | |
| Fire Behaviour | Self-extinguishing | |
| Minimum Operating Temperature | -20°C | |
Select all | ||
|---|---|---|
Brand Alpha Wire | ||
Thread Size PG21 | ||
Material Plastic | ||
Plug Type Blanking | ||
Diameter 33mm | ||
Threaded/Unthreaded Threaded | ||
Colour Black | ||
IP Rating IP66, IP68 | ||
Series FIT Wire Management | ||
Standards Met UL | ||
Maximum Operating Temperature +150°C | ||
Fire Behaviour Self-extinguishing | ||
Minimum Operating Temperature -20°C | ||
Belden FIT Wire Management Series Blanking Plug, PG21 Thread size, 33mm Diameter - HPP21 BK080
This is a black blanking plug designed for effective sealing in various applications. The threaded blanking plug features a PG21 thread size, measuring 33mm in diameter, and is constructed from durable plastic material. It exhibits impressive temperature resistance, functioning well between -20°C and +150°C, making it suitable for demanding environments.
Features & Benefits
• Self-extinguishing material enhances fire safety
• IP66 and IP68 ratings ensure strong protection against dust and water
• Threaded design allows for secure installation
• Suitable for high-temperature applications up to +150 °C
• Compatible with a wide range of industrial uses
• Lightweight plastic construction promotes easy handling
• IP66 and IP68 ratings ensure strong protection against dust and water
• Threaded design allows for secure installation
• Suitable for high-temperature applications up to +150 °C
• Compatible with a wide range of industrial uses
• Lightweight plastic construction promotes easy handling
Applications
• Used in automation and control systems
• Suitable for sealing unused connector openings in electrical enclosures
• Utilised in outdoor installations requiring moisture protection
• Commonly applied in mechanical and electronic device housings
• Suitable for sealing unused connector openings in electrical enclosures
• Utilised in outdoor installations requiring moisture protection
• Commonly applied in mechanical and electronic device housings
What are the specific environmental protection ratings for this product?
This product has IP66 and IP68 ratings, ensuring that it is dust-tight and can withstand prolonged submersion in water, making it ideal for outdoor and challenging installations.
How does the threaded design contribute to its functionality?
The threaded design ensures a secure fit, preventing ingress of dust and moisture, thus maintaining the integrity of electrical connections in various applications.
What are the temperature limits for safe operation of this product?
It can operate safely in temperatures ranging from -20°C to +150°C, making it suitable for both low and high-temperature environments.
Is this product effective in reducing fire hazards?
Yes, the material used is self-extinguishing, which minimises fire risks in case of overheating or electrical faults.
How does this product compare to alternative sealing solutions?
The combination of its IP ratings and high-temperature resistance makes it more versatile and reliable than many standard sealing solutions available.