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Oil & Dust Tight Extra Deep Wiring Box
Application
Ralston’s PB37-BC series enclosures are designed to provide protection against dust, dirt, and oil.
PB37-BC are also designed to provide extra depth, which may be required in some applications.
Construction
All PB37-BC enclosures are made from 14 ga. hot rolled steel and have continuously welded seams ground to a smooth finish. Each enclosure comes complete with grounding studs and wall mounting back brackets welded to the top and bottom outside.
PB-37-BC doors are sealed with oil resistant neoprene gasket and are secured to the sealed (blind) rivnuts in the enclosure with 10-32 captive screws.
Paint Finish
All enclosures are phosphatized and finished inside and out with ANSI/ASA 61 grey polyester powder coating.
Standards
PB37-BC enclosures are built to the requirements of NEMA Type 12 specifications for use with industrial controls in ordinary locations, and type 13 for an oil and dust tight enclosure.
PB37-BC enclosures are CSA certified (file #1174410) and UL 508 Listed (file #136838) as a type 12 enclosure.
Special Orders
Custom units made from stainless steel or with special finishes, sizes or punching can be supplied on order.
| Part Number | Height | Width | Depth | Weight |
|---|---|---|---|---|
| PB37-1-BC | 4 in | 4 in | 4.75 in | 3.4 lbs |
| PB37-2-BC | 6 in | 4 in | 4.75 in | 3.7 lbs |
| PB37-3-BC | 8 in | 4 in | 4.75 in | 4.5 lbs |
| PB37-4-BC | 10 in | 4 in | 4.75 in | 5.2 lbs |
| PB37-6-BC | 9.5 in | 6.25 in | 4.75 in | 6.5 lbs |
| PB37-9-BC | 9.5 in | 8.5 in | 4.75 in | 8 lbs |
| PB37-12-BC | 11.75 in | 4.75 in | 3 in | 7.5 lbs |
PB35-1-BC
PB37-BC General PDF
PB37-1-BC
