Fluke Inspection Window for Use with NEMA 12 Enclosure, NEMA 4 Enclosure

This inspection window provides a sealed viewing aperture designed to be fitted into industrial electrical enclosures to permit safe visual inspection without opening the cabinet. It is intended for use in enclosures rated to NEMA 12 and NEMA 4, enabling observation of internal indicators and components while maintaining the enclosure’s environmental protection. The product is manufactured by Fluke and carries the cURus recognition that relates to electrical safety approvals in North American certification schemes.

• Compatible with NEMA12 enclosures for dust and drip protection
• Suitable for NEMA4 enclosures to maintain water‑resistant integrity
• cURus recognised to meet established safety evaluation criteria
• Designed as an enclosure window accessory for visual inspections

• Suitable for industrial control panels requiring external monitoring
• Used with machinery cabinets needing protected visual access
• Ideal for power distribution boards in washdown‑capable areas
• Can be used for retrofit of existing electrical enclosure doors

It enables visual checks in environments requiring protection against dust, oil and light splashing, aligning with the protection levels of NEMA12 and NEMA4 enclosures.

The cURus recognition indicates it has been evaluated to relevant safety standards used for electrical components in North American jurisdictions, which can simplify acceptance in projects referencing those evaluations.

It is designed to function as a window accessory for enclosures specified to NEMA12 and NEMA4 ratings, allowing integration into compatible door openings for continued enclosure performance.

Stock nos. 820-2998 and 820-3002 have a keylock.

Torture Tested to the highest test ratings: IEEE C37.20.7 63 kA Arc tested at KEMA, UL 50/50E/50V, UL1558, IEC60529-1: IP67, IEC 60068, NEMA 4/12, CSA C22.2 NO. 14-13:2012, and CE.