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nVent HOFFMAN ASPB Hol-Sealers hole seal with 44 mm diameter grey mild steel construction designed to seal unused enclosure openings.
£18.75
The nVent HOFFMAN ASPB is a professional Hol-Sealers hole seal designed to close unused pushbutton holes, conduit openings and knockout openings in industrial electrical enclosures. Manufactured from mild steel with a grey powder-coated finish, it provides a reliable sealing solution to help protect enclosure interiors from dust, dirt, oil and water ingress.
As part of the nVent HOFFMAN Hol-Sealers range, the ASPB is designed for enclosure modification and protection applications where unused openings must be securely covered. The integrated oil-resistant gasket helps maintain enclosure protection performance when correctly installed.
With a 44 mm hole seal diameter, the ASPB is suitable for covering openings up to 44 mm and is designed for use on enclosure walls up to 8 mm thick. It is commonly used in industrial control cabinets, electrical panels and automation enclosures.
Unused openings in electrical enclosures can compromise protection against environmental contaminants. The nVent HOFFMAN ASPB Hol-Sealers hole seal provides a practical method for closing unwanted openings while helping maintain enclosure integrity in industrial environments.
Designed for control cabinets, automation panels and industrial electrical equipment, the ASPB supports professional enclosure finishing and helps ensure unused holes are securely sealed after installation changes or modifications.
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| Material | Steel | |
|---|---|---|
| Accessory Type | Seal / Gasket | |
| Country of Manufacture | Mexico | |
| Manufacturer | nVent HOFFMAN | |
| Series | Hol-Sealers Hole Seal | |
| Model | ASPB | |
| Product type | Hole seal | |
| Colour | Grey | |
| Colour code | ANSI 61 | |
| Finish | Powder coated | |
| Hole seal diameter | 44 mm | |
| Minimum hole diameter | 32 mm | |
| Maximum hole diameter | 44 mm | |
| Suitable enclosure wall thickness | Up to 8 mm | |
| Gasket | Oil-resistant gasket included | |
| Mounting hardware | Plated stud and wing nut | |
| Standards | UL 508A Component Recognised; NEMA/EEMAC Type 3R, 4, 12, 13; IEC 60529 IP66 when installed in suitable nVent HOFFMAN enclosure applications |
The ASPB is used to seal unused pushbutton holes, conduit openings and knockout openings in electrical enclosures.
The nVent HOFFMAN ASPB has a 44 mm hole seal diameter and covers openings within its specified range.
The ASPB is manufactured from mild steel with a grey powder-coated finish.
Yes, the Hol-Sealers ASPB includes an oil-resistant gasket to support sealing performance.
The ASPB is typically installed on industrial electrical enclosures, control cabinets and automation panels.
nVent HOFFMAN Hol-Sealers are trusted by panel builders and electrical engineers for dependable enclosure protection and professional installation results.
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