SKU: 5349759788

PC1816SS | Stahlin 18.0x16.0x11.0" PolyStar Series Polycarbonate Enclosure – NEMA 4X – Opaque Cover with Stainless Steel Latches

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Description

PC1816SS | Stahlin 18.0x16.0x11.0" PolyStar Series Polycarbonate Enclosure – NEMA 4X – Opaque Cover with Stainless Steel LatchesNeed a quote or custom modification? Contact ACI Automation. Request a Quote Product Overview PolyStar Series polycarbonate enclosures deliver heavy duty NEMA 4X protection in a lightweight, chemical resistant design. Self extinguishing, non halogenated, UL 746C F1 UV rated for outdoor exposure. Available in opaque, clear, white, black, with mounting flanges or SS latches. The PC1816SS is a PolyStar Series Polycarbonate enclosure with a Opaque Cover

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

Product Overview

PolyStar™ Series polycarbonate enclosures deliver heavy-duty NEMA 4X protection in a lightweight, chemical-resistant design. Self-extinguishing, non-halogenated, UL 746C F1 UV-rated for outdoor exposure. Available in opaque, clear, white, black, with mounting flanges or SS latches.

The PC1816SS is a PolyStar Series Polycarbonate enclosure with a Opaque Cover with Stainless Steel Latches 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 Polycarbonate — 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: -40°F to +185°F
  • Back panels: aluminum, carbon steel, SS, fiberglass, or ABS
  • ModRight® custom modification program compatible
  • Made in USA

Specifications

Catalog Number PC1816SS
Series PolyStar Series
Material Polycarbonate
Interior Dimensions 18.0 x 16.0 x 11.0 in (interior)
Cover Type Opaque Cover with Stainless Steel Latches
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 -40°F to +185°F
Flammability UL 94-5VA
Flame Spread NFPA 101 Class A
UV Outdoor Rating UL 746C (f1) Rated
Gasket Closed-Cell EPDM Foam
Country of Origin USA
Availability Usually Stocked — ships within 5 days
List Price $401.11

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 PC1816SS 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 PC1816SS:

Frequently Asked Questions

What NEMA ratings does the PC1816SS carry?

The PC1816SS 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 PC1816SS 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 B: Usually Stocked — ships within 5 days. Contact ACI Automation to confirm current stock.

What is the temperature rating?

The PC1816SS is rated -40°F to +185°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: 5349759788

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4.4 ★★★★★
Based on 18 reviews
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Product Reviews
L
Verified Purchase
LittleShba
Lake Worth, US
★★★★★ 5
The Perfect Digital Watch with all the Bells & Whistles!
Color: Black/Gray
I always buy this kind of watch, and so does my adult daughter. It has a timer, 3 alarm settings, push button light, easy to set, and other features that I don't use, like, track timers, Occasion settings, Beeps & Chimes, On or Off. I use it for timing my Laundry, taking pills, timing things in the kitchen. I just can't live without it! My daughter used it for timing on her Breast Feeding Schedule, so no matter what room she was in, or what she was doing, she would always hear that alarm!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
C
Verified Purchase
C
Dallas, US
★★★★★ 5
Reliable and Affordable Timekeeping for an Active Lifestyle
Color: Black/Gray
I recently purchased the Timex Unisex Ironman Classic 30 34mm Watch, and it has exceeded my expectations in terms of functionality, durability, and style. First and foremost, the watch's design is sleek and unisex, making it suitable for a variety of wrist sizes and both casual and sporty occasions. The 34mm face strikes a perfect balance, providing clear visibility of the time without feeling bulky on the wrist. One of the standout features of this timepiece is its reliability. The Ironman Classic 30 lives up to its name with a water resistance of up to 100 meters, making it suitable for swimming and other water-based activities. The durable resin strap and casing can withstand the wear and tear of an active lifestyle, ensuring longevity. The watch's functionality is where it truly shines. The digital display is easy to read, and the Indiglo backlight is a game-changer in low-light conditions. The 30-lap memory is a handy feature for tracking workouts or laps in the pool, while the countdown timer and alarm add practicality for daily use. Setting and adjusting the time and date are straightforward, thanks to the user-friendly interface. The watch also offers a dual time zone feature, making it a great companion for travelers. Battery life is impressive, providing long-lasting performance without the need for frequent replacements. This is a crucial aspect for those who rely on their timepiece during outdoor adventures or extended periods away from a power source. In terms of value for money, the Timex Ironman Classic 30 delivers outstanding features at an affordable price point. Whether you're an athlete, fitness enthusiast, or someone who simply appreciates a reliable timepiece, this watch is a solid investment. In conclusion, the Timex Unisex Ironman Classic 30 34mm Watch combines style, durability, and functionality seamlessly. It has become my go-to watch for both daily wear and active pursuits. I highly recommend it to anyone seeking a reliable and affordable timekeeping companion.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2024
K
Verified Purchase
kkrome25
Whiting, US
★★★★★ 5
The Best for Athletics
Color: Black/Gray
This is a sleek, light wristwatch that will not weigh you down with its bulk. Forget the gigantic profile of a "survivalist" wristwatch. This unisex model is svelte and slim, not adding much to the wake you generate while swimming, or the swing of your arms while running, or the wind as it passes around your wrists and hands while you are speeding by on your racing bike. This is only 34mm across, by 35mm tall, by 11.5mm thick. The wristband is 13mm at its median working width. Timex styling cannot be beat, and neither is the resin-rubber-like material. I don't know about you, but the price is something I take a good look at. I want a watch that is reasonably priced and high-quality. I don't want to spend $200 to $1000 on a watch and worrying about being careful with it. If it gets smashed, it's only $30 to $50, not a big loss, and the quality is way better than what they were making in the 1980's. These watches are made for athletics and the real world.
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Reviewed in the United States on August 14, 2025
W
Verified Purchase
Wise Shopper
Bozeman, US
★★★★★ 4
Great watch, flimsy band
Color: Gray/Lilac
I bought this watch to replace a similar model because the band broke. I see this is a recurrent problem in many other reviews. However, I liked the watch enough to buy it again anyway. I found the new model easy to set, being fairly intuitive. So far it keeps perfect time. I use this watch mainly as a travel watch, and loved the dual time zone function. I am pleased that the newer model now has the ability to set 3 times zones instead of 2, which is an added bonus. The only con I see at this point is the flimsy strap. Unfortunately, the strap on this model is even thinner than on the previous one, and I wonder how long it will last. Also I wonder about the battery length. I think these watches may have been sitting around a long time. The setting showed 2012. I am afraid much of the battery life of the original battery may have already been used up and the battery may need replacing early. Only time will tell. The watch fits my small wrist fine and it is a little more attractive than the old model. I give it 4 stars instead of 5 only because of the band problem.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 13, 2016
N
Verified Purchase
Nikki Griffin Olive
Bozeman, US
★★★★★ 5
Great fit and quality!
Color: Black/Gray
Always love the quality of a Timex watch. Great fit for smaller wrists.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026

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