SKU: 21038592764

J1212HPL | Stahlin 11.7x11.7x6.36" J Series Fiberglass Enclosure – NEMA 4X – Opaque Cover

$145.39 $161.54
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Description

J1212HPL | Stahlin 11.7x11.7x6.36" J Series Fiberglass Enclosure – NEMA 4X – Opaque CoverNeed a quote or custom modification? Contact ACI Automation. Request a Quote Product Overview J Series is Stahlin's flagship fiberglass enclosure the original non metallic panel design, trusted by engineers for over 70 years. Overhang cover on a flange mounted base delivers unobstructed side walls, integral mounting, and SolarGuard fiberglass performance across every industrial application: machine control, utilities, oil and gas, marine, food and

Need a quote or custom modification? Contact ACI Automation. Request a Quote →

Product Overview

J Series is Stahlin's flagship fiberglass enclosure — the original non-metallic panel design, trusted by engineers for over 70 years. Overhang cover on a flange-mounted base delivers unobstructed side-walls, integral mounting, and SolarGuard® fiberglass performance across every industrial application: machine control, utilities, oil and gas, marine, food and beverage, and more.

The J1212HPL is a J Series Fiberglass enclosure with a Opaque Cover configuration, rated NEMA 1, 3R, 4, 4X, 6P, 12 / IP66, cULus Listed File #E64358, and CSA Certified. Manufactured in the USA using Stahlin's SolarGuard® proprietary formulation for superior chemical resistance, UV durability, and flame retardancy.

A proven non-metallic alternative to NEMA 4X enclosures from Allied Moulded, Hoffman, Hammond, Saginaw, Wiegmann, Hubbell, Fibox, Integra, and AttaBox.

Key Features

  • NEMA 1, 3R, 4, 4X, 6P, 12 rated — IP66 per IEC 60529
  • cULus Listed (File #E64358) — UL 50, UL 50e, UL 508A
  • CSA Certified C22.2
  • SolarGuard® non-halogenated Fiberglass — UL 94-5VA flammability rating
  • Continuous poured-in-place polyurethane seamless gasket
  • 304 stainless steel hinge and hardware throughout
  • Molded-in brass inserts for superior pull-out strength
  • Temperature range: -76°F to +274°F
  • Back panels: aluminum, carbon steel, SS, fiberglass, or ABS
  • ModRight® custom modification program compatible
  • Made in USA

Specifications

Catalog Number J1212HPL
Series J Series
Material Fiberglass
Interior Dimensions 11.7 x 11.7 x 6.36 in (interior)
Cover Type Opaque Cover
Color RAL 7035 Light Gray
NEMA Types 1, 3R, 4, 4X, 6P, 12
IEC Rating IP66
UL Standards UL 50, UL 50e, UL 508A
cULus Listed File E64358
CSA Standard C22.2
Temperature Range -76°F to +274°F
Flammability UL 94-5VA
Flame Spread NFPA 101 Class A
UV Outdoor Rating UL 746C (f1) Rated
Gasket Poured-In-Place Polyurethane, Seamless
Country of Origin USA
Availability Stocked — ships within 24 hours
List Price $323.09

Applications

✓ Machine control panels
✓ Wastewater treatment
✓ Oil & gas instrumentation
✓ Solar & renewable energy
✓ Marine & offshore
✓ Food & beverage processing
✓ Car wash and wet environments
✓ Mining and heavy industrial
✓ HVAC and building automation
✓ Utility and power distribution
✓ OEM equipment manufacturing
✓ Chemical processing

Competitor Cross-Reference

The Stahlin J1212HPL replaces comparable NEMA 4X enclosures from Allied Moulded, Hoffman, Hammond, Saginaw, Wiegmann, Hubbell, Fibox, Integra, and AttaBox. Non-metallic construction eliminates rust, eliminates painting, reduces weight, and delivers superior chemical resistance — often at a lower total installed cost.

Manufacturer Comparable Series Stahlin Advantage
Hoffman (nVent) A-Series / N4X Steel Non-metallic: zero corrosion, no painting, lighter weight
Hammond Mfg 1414 / 1481 Steel N4X SolarGuard® fiberglass for superior outdoor UV resistance
Saginaw Control SCE Steel Series USA-made fiberglass vs. imported steel alternatives
Wiegmann (Hubbell) WC / N Series Steel Full 304 SS hardware; poured PU seamless gasket
Fibox CAB / MNX Polycarbonate SolarGuard® for high-temp and heavy UV applications
Integra Polycarbonate Series cULus + CSA dual-listed; broader back panel options
AttaBox Centurion Series Extended temp -76°F; integral flange — no assembly
Hubbell Wiring NEMA 4X Polyester UL 746C f1 outdoor rated + ModRight custom mod program
Allied Moulded Series 400 Fiberglass cULus + CSA dual-listed; SolarGuard® UV rating; Made in USA

CAD Drawing Downloads

Download certified CAD drawings for J1212HPL:

Frequently Asked Questions

What NEMA ratings does the J1212HPL carry?

The J1212HPL is rated NEMA 1, 3R, 4, 4X, 6P, 12, protecting against dust, oil, coolants, rain, sleet, hose-directed water, and submersion. Also rated IP66 per IEC 60529.

Is this enclosure cULus Listed?

Yes. The J1212HPL is cULus Listed under File #E64358 per UL 50, UL 50e, and UL 508A, and CSA Certified to C22.2.

What back panel options are available?

Back panels are available in aluminum (AL), painted carbon steel (CS), stainless steel (SS), fiberglass (FG), and ABS. Add the suffix to your order. Contact ACI Automation for sizing and compatibility guidance.

Can I modify or customize this enclosure?

Yes. Stahlin's ModRight® program supports custom cutouts, windows, printing, laser engraving, mold-in colors, DIN rail kits, EMI/RFI shielding, and custom mounting. Submit your request through ACI Automation.

How do I get pricing?

ACI Automation is an authorized Stahlin distributor. List price is shown above. Request a quote for distribution pricing and lead times.

What is the lead time?

Availability code A: Stocked — ships within 24 hours. Contact ACI Automation to confirm current stock.

What is the temperature rating?

The J1212HPL is rated -76°F to +274°F — suitable for cold storage, outdoor industrial, and elevated-temperature applications.

Ready to Order or Need a Custom Quote?

ACI Automation is your authorized Stahlin distributor. We serve OEM panel builders, system integrators, and MRO customers with fast quotes, application support, and ModRight custom solutions.

Request a Quote
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21038592764

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4.1 ★★★★★
Based on 795 reviews
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Product Reviews
M
Verified Purchase
Michael
Birmingham, US
★★★★★ 5
Good buy
Color: Navy Blue, Size: Body（20"X 54"）
Nice and soft , well packaged and looks good. Kinda pillowcase you find in a luxury hotel
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
C
Verified Purchase
CJHenry
Boise, US
★★★★★ 5
Silky and Soothing
Color: Cream, Size: 2 Pack Queen（20"X 30"）
I thought I was getting 1 of the queen sized but I got 2. I got these for my Pomeranian's fuzzy pillow. He's always hot and these are very cooling and very good quality. He loves them and are very comfortable for him. They totally transformed his shaggy old pillow. I used the larger body pillow covers to replace the covers I had. They matched my bedspread perfectly. I use 2 body pillows along the exterior wall in my bedroom where there is cold coming through the floor in the winter. I'm sure I will enjoy them in the summer when it's hot too!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2026
P
Verified Purchase
Precise Disarray
Charlottesville, US
★★★★★ 5
super smooth, silky, stays comfortable feeling. DO NOT DRY or wash with heat
Color: Blue, Size: Queen (U.S. Standard), Set name: Stretchy and Soft, Color: Blue, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
I'm impressed. I have used cooling pillow cases before, and found them effective, but the cooling material have always been on just one side. These are 100% cooling material. The material is super smooth and silky feeling. It is great feeling against hair and skin (even better than my old polyester satin I was using before cooling pillowcases). The material is cool, and does not seem to get hot hot. The pillow cases are super stretchy with a small hidden zipper. They grab onto the pillow and dont loosen up. Makes my pillow look neat and clean, not sloppy from loose material. I can even have two pillows stacked and somehow despite being a smooth material, the pillows dont just slide off each other. The cooling aspect works by not trapping heat, not allowing heat to get to the pillow and hold it there. So yeh, the pillow case will feel warm eventually but if you have a fan, or AC, or flip the pillow, then it is is truly cool. Otherwise in my experience when I use a pillow without this, the pillow just gets hot, stays hot, and even with flipping it feels hot.. because the pillow itself has trapped the heat for remainder of night. Yuck. One thing to know and this is very important-- as I learned the hard way-- DO NOT DRY IN DRYER. DO NOT WASH IN HOT WATER. Heat will destroy the material ability to feel and stay cool. Do you want a regular heat trapping pillow case? Then go ahead and dry these in the dryer a few times and you will have a regular pillow case. HOw do I know? I bought these to replace another set (different brand, same idea, same instructions that I failed to remember). I always dried them in the dryer, and one night after having gloriously cool pillows, I noticed that my pillow was HOT night after night. It was then when looking for another set of pillow cases that I learned that they cant be exposed to heat like that. SO PLEASE, just AIR DRY. And so, after I got these and put them on my pillows, I had a much better nights rest. I remember thinking that I wasnt waking to rearrange my pillows. They were just comfortable all night long. Sure, I'd love an even colder pillow, but our room is on the warm side. But at least I wasnt noting the hot hot pillows anymore.
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Reviewed in the United States on June 6, 2021
G
Verified Purchase
Grace
Cuba, US
★★★★★ 5
A must try for hot sleepers!
Color: Blue, Size: Queen (U.S. Standard), Set name: Silky, Color: Blue, Size: Queen (U.S. Standard), Set name: Silky
If you are a hot sleeper these pillowcases are for you! Not only are they silky and beautiful, but they are cool to the touch!The Arc-Chill fabric absorbs heat and instantly cools your skin! If you are prone to insomnia, night sweats, give these a try! They come in a 2 pack and have a few different colors to try out. Highly recommend.
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Reviewed in the United States on May 27, 2026
A
Verified Purchase
Allen Plemmons
Dallas, US
★★★★★ 5
Freezing !
Color: Gray, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
### Product Review: Avolare 2 Pack Cooling Pillow Cases #### Overview The Avolare 2 Pack Cooling Pillow Cases are designed to provide a cooler and more comfortable sleeping experience, especially for hot sleepers. Made with Arc-Chill fabric, these pillowcases promise to offer a cooling effect, protect hair and skin, and add a touch of luxury with their soft and silky texture. The pillowcases come in a standard gray color, suitable for standard and queen-size pillows. #### Material and Design **Rating: ★★★★★** The Avolare Cooling Pillow Cases are crafted from Arc-Chill fabric, known for its high Q-max value (>0.5), indicating excellent cooling properties. The material feels incredibly soft and silky to the touch, providing a luxurious feel that enhances sleep quality. The gray color is neutral and versatile, fitting seamlessly with various bedding styles. The design includes a hidden zipper, ensuring that the pillowcase stays securely on the pillow while maintaining a smooth and sleek appearance. The zipper is discreet and doesn’t interfere with comfort, which is a thoughtful addition to the overall design. #### Cooling Effect **Rating: ★★★★★** One of the standout features of these pillowcases is their cooling effect. The Arc-Chill fabric effectively wicks away heat and moisture, making them ideal for hot sleepers or those living in warmer climates. Users have reported a noticeable difference in temperature, which contributes to a more restful and comfortable night’s sleep. This cooling property is particularly beneficial during the summer months or for individuals who tend to overheat while sleeping. #### Hair and Skin Benefits **Rating: ★★★★☆** In addition to their cooling properties, the Avolare pillowcases are also beneficial for hair and skin. The smooth and silky texture reduces friction, helping to prevent hair breakage and skin irritation. This can be particularly advantageous for individuals with sensitive skin or those prone to hair damage. While the pillowcases are not a cure-all for skin and hair issues, they do contribute positively by creating a gentler surface. #### Durability and Care **Rating: ★★★★☆** The Avolare Cooling Pillow Cases are easy to care for, maintaining their cooling properties and softness even after multiple washes. They are machine washable, which adds to their convenience. However, it is recommended to follow the care instructions carefully to ensure the longevity of the cooling effect and fabric quality. #### Versatility **Rating: ★★★★☆** These pillowcases are designed to fit both standard and queen-size pillows, adding to their versatility. They are perfect for use in any bedroom setting, from master bedrooms to guest rooms, and can be paired with various pillow types and fillings. #### Pros and Cons **Pros:** - Excellent cooling properties ideal for hot sleepers. - Soft and silky texture is gentle on hair and skin. - Hidden zipper design for a secure fit. - Machine washable and easy to care for. - Versatile fit for standard and queen-size pillows. **Cons:** - Cooling effect may diminish slightly with frequent washing. - Limited color options (only available in gray). #### Final Verdict **Overall Rating: ★★★★☆** The Avolare 2 Pack Cooling Pillow Cases are an excellent choice for anyone looking to enhance their sleeping experience, particularly hot sleepers. The cooling properties of the Arc-Chill fabric, combined with the soft and silky texture, provide a comfortable and luxurious feel. The hidden zipper design adds practicality without sacrificing aesthetics. While there are minor drawbacks, such as potential diminishing of the cooling effect with frequent washing and limited color options, the overall benefits make these pillowcases a worthwhile investment. If you’re seeking to improve your sleep quality and enjoy a cooler, more comfortable night’s rest, the Avolare Cooling Pillow Cases are definitely worth considering.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2024

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