Eaton PB2B Push Button Enclosures - NEMA 12
Part Number: PB2B
Quick Summary
PB2B enclosures protect control stations by housing push button hardware in compact NEMA 12 surface-mounted boxes. Engineers often struggle with limited panel space, moisture ingress, and misalignment during installation, which can extend project timelines and increase maintenance. This enclosure addresses those challenges with rugged carbon steel construction, a 14-gauge wall, and an oil-resistant gasket that keep critical components safe in harsh environments. UL 508A, CSA C22.2, and NEMA ratings provide compliance confidence for automated lines and safety-critical equipment. Designed for B-Line style applications with surface mounting and external feet, PB2B also delivers quick wiring, straightforward maintenance, and a consistent appearance across control panels, improving overall uptime and total cost of ownership.
Product Information
Extended Description
PB2B Eaton: Eaton B-Line series push button enclosures, 5.12" height, 3.5" length, 2.75" width, NEMA 12, Screw cover, PBB 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
PB2B
UPC
782051700749
Product Length/Depth
3.5 in
Product Height
5.12 in
Product Width
2.75 in
Product Weight
2.1 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
PBB enclosure
Cover type
Screw
Mounting method
Surface
Mounting hole details
External mounting feet
Special features
Removable cover, recessed pull ring, plated screws
NEMA Rating
12
Country of origin
US
Feature is NEMA 12 protection, offering dust and water resistance for control panels. Business impact is reduced exposure of live components and minimized maintenance downtime, which translates to higher line uptime and safer operator environments. Application: ideal for manufacturing and packaging lines where compact enclosures must fit in crowded panels while preserving reliability. Feature is 14 gauge carbon steel construction with a 5.12 in height, 3.5 in length, and 2.75 in width, plus a removable screw cover and oil-resistant gasket. Business impact is durable, long-lasting housing that resists oils and impacts, lowering replacement costs and service calls. Application: operator stations and push-button installations in harsh environments. Feature is surface mounting with external mounting feet for quick, accurate installation. Business impact is faster installation, fewer field adjustments, and consistent panel alignment, yielding time savings and reduced labor costs. Application: new builds and panel upgrades in automation lines. Feature is removable cover with recessed pull ring and plated screws for easy access and maintenance. Business impact is simplified maintenance, faster diagnostics, and reduced downtime during button changes or troubleshooting. Application: high-mix, low-volume production lines where fast servicing matters. Feature is ANSI 61 gray painted finish with carbon steel base and a NEMA 12 rating, supported by UL 508A and CSA C22.2 certifications. Business impact is standardized appearance, better corrosion resistance, and regulatory confidence for audits. Application: general control panels across industrial environments.
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FAQs
Yes. PB2B is designed as a surface-mount enclosure with external mounting feet, enabling straightforward alignment in crowded panels. The screw cover and removable cover simplify field servicing, and its small footprint supports retrofit projects without major cabinet modifications.
PB2B measures 5.12 in (height) × 3.5 in (length) × 2.75 in (width) and weighs 2.1 lb. It is rated to NEMA 12, providing dust and light liquid ingress protection suitable for many indoor industrial environments. The enclosure uses 14-gauge carbon steel and a painted ANSI 61 gray finish.
PB2B is optimized for general automation panels requiring NEMA 12 protection and robust steel construction. It offers oil-resistant gasket performance, but for high-pressure washdown or IP-rated environments, higher protection enclosures or additional seals may be necessary. For standard automation lines, PB2B delivers reliable protection with cost efficiency.
PB2B complies with UL 508A and CSA C22.2 standards and features a NEMA 12 rating. These certifications support regulatory compliance for industrial control panels and provide assurance during audits and safety reviews.
Removable cover, recessed pull ring, and plated screws enable faster access during maintenance or modification, reducing downtime. External feet simplify retrofit alignment, and the durable carbon steel construction lowers replacement frequency, delivering measurable reductions in labor costs and longer intervals between service events.