Milbank UL Listed Steel Electr...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,788.73
Milbank Hinge Cover UL Listed Steel No Knockouts ANSI 61 Gray

Milbank UL Listed Steel Electrical Enclosure with Hinge Cover - ANSI 61 Gray, Double Door, 10" Depth

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Model: 403515-CT3R-SP

In Stock (leaves warehouse same day if ordered before 3pm ET)

$2,788.73
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Milbank UL Listed Steel Electrical Enclosure with Hinge Cover

Professional welded steel construction for reliable electrical installations

The Milbank UL Listed Steel Electrical Enclosure delivers professional-grade protection with welded steel construction and ANSI 61 Gray finish. This double door enclosure features 10" depth capacity, lift-off hinges for easy access, and mounting emboss on the enclosure back for secure installation. Designed without knockouts for maximum flexibility in field modifications, this UL Listed enclosure provides reliable performance for various electrical applications.

Professional Features & Benefits

  • UL Listed Construction: Meets rigorous safety standards ensuring reliable protection and code compliance for professional installations.
  • Welded Steel Design: Provides superior structural integrity and long-lasting durability in demanding electrical environments.
  • Double Door Configuration: Offers convenient access to internal components with lift-off hinges for easy maintenance and service.
  • 10" Depth Capacity: Accommodates various electrical components and wiring configurations with adequate working space.
  • ANSI 61 Gray Finish: Professional appearance with corrosion-resistant coating suitable for indoor and outdoor applications.
  • No Knockouts Design: Provides maximum flexibility for custom field modifications and conduit entry placement.
  • Wing Nut Latching: Secure closure system allows for quick access while maintaining proper enclosure integrity.

Technical Specifications

  • Back Panel: Mounting Emboss on Enclosure Back
  • Brand Name: Milbank
  • Construction: Welded
  • Departent: Electrical
  • Depth: 10
  • Door: 2 Doors
  • Door Or Cover: Double Door
  • Hinge Type: Lift Off Hinges
  • Knockouts: No Knockouts
  • Latch Specification: Wing Nuts for Latching
  • Number Of Outlet: 0
  • Product Color: ANSI 61 Gray
  • Product Type: Hinge Cover
  • Special Features: Mounting Emboss on Enclosure Back
  • Standard: UL Listed
  • Support: No Center Post
  • Top: Plain Top

Professional Applications

  • Residential electrical panel installations and service upgrades
  • Commercial facility electrical distribution and control systems
  • Industrial equipment housing and electrical component protection
  • Outdoor electrical installations requiring weather-resistant enclosures
  • Custom electrical control panel assemblies and modifications
  • Maintenance and service applications requiring easy access

Why Choose Milbank Quality?

Milbank delivers proven reliability through UL Listed certification and welded steel construction. The ANSI 61 Gray finish provides professional appearance and corrosion resistance, while the mounting emboss design ensures secure installation. Trust Milbank's commitment to quality electrical enclosure solutions for your professional applications.

Manufacturer Resources

Product Specs

Back Panel:
Mounting Emboss on Enclosure Back
Brand Name:
Milbank
Construction:
Welded
Door:
2 Doors
Door Or Cover:
Double Door
Hinge Type:
Lift Off Hinges
Knockouts:
No Knockouts
Number Of Outlet:
0
Product Type:
Hinged-Cover Enclosure
Special Features:
Mounting Emboss on Enclosure Back
Standards:
UL Listed
Support:
No Center Post
Top:
Plain Top
Latch Specification:
Wing Nuts for Latching
Product Color:
ANSI 61 Gray
Product Depth:
10
Department:
Electrical
Product Subgroup:
Enclosures
Product Details:
Hinge Cover
Product Group:
Boxes & Enclosures

Milbank 403515-CT3R-SP – Frequently Asked Questions

1) What sizes does the Milbank welded steel double door enclosure come in?
Seven size options are offered, listed as dimension sets: 10x32x32 (323210-CTC1-SP), 10x42x32 (324210-CTC1-SP), 12x54x42 (425412-CTC1-SP), 15x30x35 (303515-CT3R-SP), 15x32x42 (324215-CT3R-SP), 15x40x35 (403515-CT3R-SP), and 15x54x42 (544215-CT3R-SP). Order by the part number rather than the size string so you get the exact box, since several share the same first number.
2) Does this Milbank enclosure come with conduit knockouts, or do I have to punch my own?
No knockouts are provided. You punch or hole-saw every conduit entry yourself, which lets you place entries exactly where the raceway lands but also means budgeting time for layout and deburring on the job. If you want pre-punched entries, this is the wrong box for you.
3) Is there a center post between the two doors on this double door Milbank enclosure?
No center post. Both doors open to a clear opening the full width of the box, which is the reason to pick this configuration when you are sliding in a wide panel, gutter tap, or a piece of control gear that will not pass through half the opening.
4) Can I mount a panelboard or back panel inside this Milbank enclosure?
The enclosure back carries a mounting emboss, so interior components mount off the back wall at the embossed points. A separate back panel or sub-panel is not included with the enclosure, and there are no factory-installed outlets or devices inside (outlet count is zero). Plan on supplying whatever gear or mounting plate the assembly needs.
5) How do the doors open and latch, and can the doors be removed for wiring?
Lift-off hinges carry the doors, so you can pull both doors off and set them aside while you pull wire or set gear, then rehang them. Closure is by wing nuts, hand-tightened, no tool needed for routine access.
6) Does this enclosure have a sloped or rain-shedding top?
Plain top, not sloped. Nothing on the top sheds water or debris, so if the install is somewhere water will sit or drip on the lid, or where dust piles up, look for a sloped-top enclosure instead. For an indoor wall mount or a sheltered location the plain top is fine.
7) Will the finish on this enclosure match the other gray gear in my electrical room?
The finish is ANSI 61 Gray, the standard gray used on switchgear, panelboards, and control cabinets, so it reads as a match alongside most existing distribution equipment rather than standing out. That matters if you are a property manager adding a box to a wall of existing gear.
8) Is the Milbank enclosure body welded or bolted together?
Welded construction. There are no seams to re-gasket or bolt up on site, and the box arrives square and ready to hang, which is the usual preference for a pull or junction box carrying heavy conductor weight.
How fast can I get the Milbank 403515-CT3R-SP delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Milbank 403515-CT3R-SP come with a warranty?
Absolutely. The Milbank 403515-CT3R-SP is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Milbank 403515-CT3R-SP?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Milbank 403515-CT3R-SP from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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