
Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Seams continuously welded and ground smooth
- Captivated cover screws thread into sealed wells
- Bonding provision on cover
- Grounding stud on body
- Oil-resistant gasket
- Factory stamped 4-way pushbutton holes
- Enclosures with more than one column of pushbutton holes have internal detachable hinge to hold cover open during wiring
- External welded-on mounting brackets for easy installation
- 30.5-mm or 22.5-mm size holes
Specifications
Application | Controls and Drives |
Color | Yellow |
Color | OSHA Safety Yellow |
Depth | 2.75 in |
Depth | 69.85 mm |
Depth | 13 IN |
Depth | 70 |
Finish | Powder Coated |
Height | 44 IN |
Height | 8 IN |
Hole Quantity | 3 |
Hole Size | 30.5 mm |
Hole Size | 1.2-1.2 in |
Hole Size | 14.3-14.3 |
IP Rating | IP65 |
Material | Mild Steel;Steel |
Material | Mild Steel |
Modification Services | Yes |
Mounting | Wall Mounting Brackets Available |
Mounting | 8.50 x 2.38 in |
NEMA Rating | 12 |
NEMA Rating | 12 Indoor, dust-resistant |
Number Of Holes | 3 |
Overall Dimensions | 114 x 88 mm |
Overall Dimensions | 9.00 x 3.47 in |
Product Family | PushButton |
Protection Rating | NEMA Type 12 |
Size | 3PB x 30.5mm |
Thickness | 1.9 mm |
Thickness | 14 ga |
Thickness | 51.40mm (2.024") |
Type | Mild Steel Industrial Terminal and Junction Boxes |
Type | Mild Steel Terminal and Junction Boxes |
Type Number | Type 13 |
Weight | 2.9 lb |
Width | 3.25 in |
Width | 83 |
Width | 23 IN |
Package Dimensions (L x W x H) | 9 IN x 3.5 IN x 3 IN |
Package Dimensions (L x W x H) | 22.86 cm x 8.89 cm x 7.62 cm |
Package Weight (Imperial) | 2.900 L |
Package Weight (Metric) | 1.315 kg |

SIL22/1
Mounting Depth: 59 mmPanel Cutout: � 22.3 mmColor: Black Bottom Part/Yellow CoverIllumination: No Labeling Option: NoFrequently Asked Questions
What size pushbuttons and switches can this enclosure hold?
This enclosure is designed to hold 30.5-mm or 22.5-mm pushbuttons and switches.
What industry standards does this enclosure meet?
It meets UL 508A Listed, Type 12, 13; cUL Listed per CSA C22.2 No. 94, Type 12, 13; NEMA/EEMAC Type 12, 13; and IEC 60529, IP65 standards.
What are the overall dimensions of the enclosure?
The overall dimensions of the enclosure are 9.00 inches x 3.47 inches.
What color is the E3PBY enclosure?
The enclosure is OSHA Safety Yellow.
What material is the enclosure made of and what is its finish?
The enclosure is made of mild steel with a powder-coated finish.
What is the thickness of the enclosure's material?
The material thickness of the enclosure is 14ga.
What are the mounting dimensions for this enclosure?
The mounting dimensions are 8.50 inches x 2.38 inches.
What is the weight of the enclosure?
The enclosure weighs 2.9lb.
Does the enclosure have a gasket for oil resistance?
Yes, the enclosure features an oil-resistant gasket.
Are there provisions for grounding the enclosure?
Yes, there is a grounding stud on the body and a bonding provision on the cover.
How to Repaint Hoffman Enclosures
This guide provides step-by-step instructions for repainting Hoffman enclosures to ensure proper adhesion and finish quality.
Estimated time: 1h
Tools needed:
Screwdriver, Sandpaper, Paint sprayer or brush
Supplies needed:
Solvent, Paint compatible with polyester powder coating
- Prepare the surface
Thoroughly sand all enclosure surfaces with 180 grit sandpaper. If sanding marks are objectionable, finish sanding with 220 or 240 grit sandpaper.
- Clean the surfaces
Wet wipe all surfaces with a solvent to remove any possible contaminants before applying paint.
- Apply paint
Apply two or three medium to light coats of paint, allowing two or three minutes of flash off time between coats. Ensure to consult your paint manufacturer for proper curing time.
Frequently Asked Questions about nVent
What industries and applications are nVent products used for?
nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.
What environmental ratings do nVent products have?
nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.
What accessories are available for nVent products?
nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.
What certifications and standards do nVent products comply with?
nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.
What is nVent's warranty policy?
nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.
What technical support does nVent offer?
nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.






