Eaton PB12 Push Button Enclosures - NEMA 12, UL 508A
Part Number: PB12
Quick Summary
PB12 push button enclosures from Eaton protect control panels by housing push-button assemblies in demanding industrial environments. If wiring clearance or maintenance access is tight, these compact, surface-mounted enclosures simplify installation and reduce downtime. Backed by UL 508A and CSA C22.2 certifications and a NEMA 12 rating, they deliver dependable protection against dust, splash, and incidental spills. With a painted ANSI 61 gray finish and a hinged door, the PB12 also supports easy labeling and quick field servicing, while its compatibility with Eaton B-Line components enables scalable panel builds across facilities. Whether you’re designing a new line or upgrading legacy equipment, PB12 enclosures offer predictable fit, robust guarding, and long-term cost savings.
Product Information
Extended Description
PB12 Eaton: Eaton B-Line series push button enclosures, 11.75" height, 3" length, 8.5" width, NEMA 12, Hinged cover, PB enclosure, Surface mounted, Small single door, External mounting feet, Carbon steel, Oil-resistant gasket
Product Name
Eaton B-Line series push button enclosures
Catalog Number
PB12
UPC
782051700442
Product Length/Depth
3 in
Product Height
11.75 in
Product Width
8.5 in
Product Weight
8.2 lb
Certifications
UL 508A CSA C22.2. NEMA
Material
Carbon steel
Wall thickness
14 gauge
Finish color
Painted
Color
ANSI 61 gray
Style
Small single door
Model
PB enclosure
Cover type
Hinged
Mounting method
Surface
Mounting hole details
External mounting feet
Closure type
Hinged
Special features
Removable cover, recessed pull ring, plated screws
NEMA Rating
12
Country of origin
US
NEMA 12 protection plus UL 508A and CSA C22.2 certifications shield internal controls from dust and splash. This reduces contamination risk, extends component life, and lowers maintenance costs for manufacturing lines and process equipment. Carbon steel construction with 14 gauge walls and ANSI 61 gray painted finish delivers durability in harsh environments. Combined with an oil-resistant gasket, the enclosure resists fluids, enabling longer service intervals and safer operation in machine rooms and assembly lines. Surface mounting with external feet simplifies installation and retrofit projects. Quick access via hinged, removable covers speeds field servicing and component replacement, cutting downtime during upgrades and routine maintenance. Recessed pull ring and plated screws streamline labeling and secure fastening. This helps maintain surface integrity and gives technicians fast access without compromising enclosure integrity in high-traffic areas. Compact dimensions—11.75 in high, 8.5 in wide, 3 in deep—and a practical 8.2 lb weight offer space-efficient protection for small control panels and motor starter assemblies in crowded plant spaces.
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FAQs
PB12 uses a surface mounting method with external mounting feet, enabling quick installation on flat panels or frames. The hinged cover design provides easy access to internal components without removing the enclosure from the mounting surface. This configuration supports retrofit projects and future expansions, reducing downtime and allowing technicians to reconfigure layouts while preserving enclosure integrity.
PB12 is built from carbon steel with a 14 gauge wall, finished in ANSI 61 gray paint. It carries UL 508A and CSA C22.2 certifications and a NEMA 12 rating, offering protection against dust and light splashes in indoor environments. The oil-resistant gasket and hinged, removable cover improve sealing and serviceability, while the 11.75 in height, 8.5 in width, and 3 in depth dimensions balance protection with available install space.
Yes. PB12 is specifically suited for indoor machine control panels and small automation assemblies where dust, splashes, or incidental spills are a concern. With a compact footprint and external feet for surface mounting, it fits crowded control rooms and line-side cabinets. UL 508A and CSA C22.2 certifications further support compliance in industrial settings, making PB12 a reliable choice for standardized panel builds.
PB12 complies with UL 508A and CSA C22.2 standards and provides a NEMA 12 rating. This combination is ideal for indoor environments where dust, moisture, and incidental splashes are possible, such as manufacturing floors and assembly lines. For outdoor or harsher environments, additional enclosure protection or different NEMA/IP ratings may be required.
PB12 simplifies maintenance through a hinged, removable cover, recessed pull ring, and plated screws that speed servicing while preserving enclosure integrity. Its durable carbon steel construction and long-term protection reduce part replacement frequency. A standardized PB12 family also streamlines procurement and spares management, delivering lower total cost of ownership across multiple lines or facilities.