Enclosure housing Rittal SV 9666.140 — polystyrene grey

Rittal SV 9666.140 is a polystyrene enclosure housing in grey designed to provide a lightweight, non-metallic protective case for electrical and electronic assemblies. The housing offers a rigid structure for mounting components, internal assemblies and mounting plates, while delivering electrical insulation and corrosion resistance where metal enclosures are not required. Its neutral grey finish suits industrial and instrumentation environments where unobtrusive appearance and material insulation are important.

Advantages

The polystyrene construction gives a low-weight housing that is easy to handle and install while offering electrical insulation properties. The rigid casing protects internal equipment from casual mechanical impact and dust in indoor installations. The grey finish provides a neutral, professional look compatible with control cabinets and instrumentation panels. As a non-metallic housing, it avoids galvanic corrosion and is suitable where metal conductivity or magnetic interference must be minimized.

Suitable for

• Enclosing control electronics and small distribution components in dry indoor environments
• Mounting instrumentation modules, terminal blocks and printed circuit boards requiring insulating housings
• Applications where lightweight, easy-to-handle housings are preferred for maintenance access
• Installations where non-metallic enclosures are needed to prevent electrical contact or reduce magnetic interference

When it may not be suitable

This polystyrene enclosure is intended primarily for indoor use and is not designed for prolonged exposure to harsh outdoor weather, direct sunlight or aggressive chemicals. For applications requiring high mechanical impact resistance, flame-retardant certification, or heavy-duty environmental protection (e.g., IP-rated outdoor enclosures), a metal or specially rated thermoplastic enclosure may be more appropriate.

Key specifications

• Material: polystyrene (non-metallic)
• Color: grey finish
• Function: enclosure housing for electrical/electronic components
• Mounting: suitable for internal mounting of plates, circuit boards and terminal blocks
• Typical use environment: indoor, dry installations with limited mechanical stress

How to use

Install the enclosure on a stable surface or within an appropriate cabinet frame following local mounting guidelines. Fit internal mounting plates or support brackets compatible with the housing dimensions, secure electronic modules or circuit boards using appropriate fasteners, and route wiring through provided openings or cable glands as required. Ensure clearances for heat dissipation and avoid obstructing any ventilation features. Verify that the enclosure material is suitable for the intended ambient temperature and electrical insulation needs before energizing the equipment.

What to consider before purchase

• Confirm the internal dimensions and mounting plate compatibility for your components
• Check that polystyrene material properties meet requirements for temperature, chemical exposure and mechanical stress in your application
• Determine whether indoor use and the level of environmental protection offered are adequate for the installation site
• Assess cable entry and sealing needs; additional glands or modifications may be required for wiring and ingress protection

Usage recommendations

Use this Rittal polystyrene housing for indoor control and instrumentation applications where electrical insulation and a lightweight enclosure are priorities. For improved longevity, place the housing in sheltered locations away from direct sunlight and aggressive chemicals, and secure internal components with appropriate fasteners and mounting plates matched to the housing dimensions.