nVent HOFFMAN STB408012 is a 400 x 800 x 120 mm IP66 mild steel terminal box designed to protect electrical terminals, wiring and components in demanding industrial installations.
£111.00
The nVent HOFFMAN STB408012 is a robust mild steel terminal box designed to protect electrical terminals, wiring and control components in demanding industrial environments. As part of the nVent HOFFMAN STB terminal box series, it provides a secure enclosure solution for electrical distribution, automation and machine-building applications where dependable environmental protection is required.
The enclosure is manufactured from durable mild steel with a folded and seam-welded body for mechanical strength. An injected one-piece polyurethane gasket provides effective sealing between the enclosure body and cover, helping the STB408012 achieve its IP66 protection rating against dust and powerful water jets. A structured RAL 7035 powder-coated finish provides a durable and professional surface for industrial installations.
With dimensions of 400 mm high × 800 mm wide × 120 mm deep, the STB408012 provides substantial internal width for arranging terminal blocks, wiring and associated electrical components while maintaining a relatively shallow enclosure profile. Integrated mounting and earthing provisions simplify installation and help make the enclosure suitable for a wide range of industrial electrical systems.
Industrial terminal boxes provide a secure location for terminal blocks, wiring junctions and small electrical or automation components. The STB408012's robust steel construction and IP66-rated sealing help isolate installed equipment from dust, moisture and other environmental contaminants, supporting reliable operation and reducing the risk of contamination-related electrical faults.
The wide 800 mm enclosure format provides flexibility when organising larger terminal arrangements or multiple groups of electrical connections. Combined with practical internal mounting and earthing provisions, the STB408012 provides electrical engineers and machine builders with a versatile enclosure platform for industrial control and distribution systems.
| Country of Manufacture | Bulgaria |
|---|---|
| Manufacturer | nVent HOFFMAN |
| Series | STB |
| Model | STB408012 |
| Product type | Terminal box / electrical enclosure |
| Material | Mild steel |
| Height | 400 mm |
| Width | 800 mm |
| Depth | 120 mm |
| Protection rating | IP66 |
| Colour | Light grey |
| RAL colour | RAL 7035 |
| Surface finish | Structured powder coating |
| Body construction | Folded and seam welded |
| Gasket | Injected one-piece polyurethane |
| Cover type | Screw-secured cover |
| Mounting | Wall mounting |
The STB408012 is designed to house and protect electrical terminals, wiring connections and associated components in industrial electrical, automation and machine-building installations.
The enclosure measures 400 mm high × 800 mm wide × 120 mm deep, providing a wide internal area for terminal blocks and electrical connections.
The STB408012 has an IP66 protection rating, providing a high degree of protection against dust and water ingress when correctly installed.
The enclosure is manufactured from mild steel and features a structured RAL 7035 light grey powder-coated finish.
The enclosure uses an injected one-piece polyurethane gasket between the body and screw-secured cover to provide dependable environmental sealing.
nVent HOFFMAN STB terminal boxes provide dependable protection for electrical terminals and control components, combining robust steel construction, effective environmental sealing and practical installation features for demanding industrial applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...