
The 1437MS16B is a compact operator station from the 1437SS Series Type 4, 4X Stainless Steel Pushbutton Enclosures, Extra Deep, punched with 2 holes sized for 22.5mm pushbuttons. It is designed to accept standard heavy duty oil tight pushbuttons, switches and pilot lights, giving machine builders, panel shops, electricians and OEM engineers a ready-made housing for operator controls where the enclosure must provide protection from dirt, dust, oil and water.
The manufacturer lists the 1437MS16B as a 316SS enclosure, formed from 16 gauge steel with smooth continuously welded seams and left in natural stainless steel with a smooth brushed finish. The cover is secured with captive cover screws that fasten into threaded, sealed wells, and an oil resistant gasket and adhesive seals the joint. A bonding stud is provided on the door and a grounding stud on the enclosure.
The enclosure measures 6.00 in (152 mm) high by 4.00 in (102 mm) wide by 4.75 in (121 mm) deep (extra deep profile), listed as 6 in x 4 in x 4.75 in (152 mm x 102 mm x 121 mm). Shipping weight is 3 lbs (1.36 kg). As one of the larger sizes in the series, it has an internally hinged removable cover designed to hold the cover open during wiring.
Welded brackets provide for enclosure mounting. The series is listed to UL 508A Type 4 and 4X and CSA Enclosure 4 and 4X, and complies with NEMA Type 4 and 4X and IEC 60529 IP66; appropriate components are required to maintain these standards. The 1437MS16B carries UL File E65324 and CSA certificate LR21001, and is REACH and RoHS compliant.
| Series | 1437SS Series Type 4, 4X Stainless Steel Pushbutton Enclosures, Extra Deep |
| Application | Accepts standard heavy duty oil tight pushbuttons, switches and pilot lights |
| Description | Pushbutton Encl - Extra Deep - 2 PB x 22.5mm - 316SS |
| Part Number | 1437MS16B |
| Hinged Cover | Yes – internally hinged, removable |
| Number Of Holes | 2 |
| Short Description | 2PB 304SS 6X4X4.8 |
| Pushbutton Hole Size | 22.5mm |
| Enclosure Depth | 4.75 in (121 mm) |
| Enclosure Width | 4.00 in (102 mm) |
| Enclosure Height | 6.00 in (152 mm) |
| Size (H X W X D) | 6 in x 4 in x 4.75 in (152 mm x 102 mm x 121 mm) |
| Mounting Hole Diameter (Drawing) | Ø 0.25 in |
| Pushbutton Hole Diameter (Drawing) | Ø 0.89 in |
| Overall Height Incl. Mounting Brackets (Drawing) | 6.75 in |
| UPC | 623980433875 |
| UNSPSC | 39121326 |
| Drawing Date | May. 20, 2025 |
| Packaging Type | Box |
| Shipping Weight | 3 lbs (1.36 kg) |
| Accessories (Series) | Hole plugs and 10 AWG bonding wire kits |
| Same Size, 304 S.S. 22.5mm PB | 1437MSSB |
| Same Size, 304 S.S. 30.5mm PB | 1437SSB |
| Same Size, 316 S.S. 30.5mm PB | 1437S16B |
| Seams | Smooth continuously welded |
| Finish | Natural stainless steel with a smooth brushed finish |
| Gasket | Oil resistant gasket and adhesive |
| Material | 316 stainless steel (316SS), formed from 16 gauge |
| Mounting | Welded brackets provide for enclosure mounting |
| Grounding | Bonding stud on door; grounding stud on enclosure |
| Cover Fastening | Captive cover screws that fasten into threaded, sealed wells |
| Protection | Dirt, dust, oil and water |
| Ingress Protection | IEC 60529, IP66 |
| CSA | Enclosure 4 and 4X |
| UL 508A | Type 4 and 4X |
| UL File # | E65324 |
| CSA Cert. # | LR21001 |
| RoHS Compliant | Yes |
| Standards Note | Appropriate components are required to maintain these standards |
| REACH Compliant | Yes |
| NEMA (Complies With) | Type 4 and 4X |
| IEC 60529 (Complies With) | IP66 |
| EU Declaration Of Conformity | Low Voltage Directive 2014/35/EU; EN 60204-1:2006 / IEC 60204-1:2005-10; EN 60529:1992 + A2:2013 / IEC 60529:2001-02 + A2:2013-08; RoHS 2011/65/EU and (EU) 2015/863 (Operator Enclosures series declaration) |
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It has 2 holes for 22.5mm pushbuttons, switches or pilot lights.
The enclosure is 6 in x 4 in x 4.75 in (152 mm x 102 mm x 121 mm), with a shipping weight of 3 lbs (1.36 kg).
The series is UL 508A Type 4 and 4X and CSA Enclosure 4 and 4X, and complies with NEMA Type 4 and 4X and IEC 60529 IP66. Appropriate components are required to maintain these ratings.
Yes. This size has an internally hinged removable cover designed to hold the cover open during wiring.
The manufacturer describes it as 316SS, formed from 16 gauge, with smooth continuously welded seams and a natural brushed stainless finish. Its short description reads "2PB 304SS", but the long description and ordering table identify it as the 316 stainless version.
The same enclosure size is listed as 1437MSSB (304 S.S. 22.5mm PB); 1437SSB (304 S.S. 30.5mm PB); 1437S16B (316 S.S. 30.5mm PB).
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