Minerallac Company 90033 - 1-1/4" 3-Piece Knock Out Seal with Gasket, Pre-Galvanized
Minerallac Company

90033

UPC: 085937062772


Documents & Media
Specification SheetManufacturer Product Website

Contact for Pricing

Minimum Qty: 5

Multiplier: 5

*Contact for lower quantities*

Overview

The Minerallac Company 90033 is a 1-1/4 inch, 3-piece knock out seal designed for electrical enclosure applications. Constructed from pre-galvanized steel, this seal provides reliable protection against dust and moisture ingress when a conduit opening is not in use. The integrated gasket ensures a tight seal, meeting the requirements for NEMA 4X rated enclosures when properly installed. This product is part of a comprehensive line of 3-piece knock out seals offered by Minerallac, available in various sizes from 1/2 inch to 3-1/2 inches, all featuring a pre-galvanized finish for corrosion resistance. Key Features: * **Type:** 3-Piece Knock Out Seal * **Size:** 1-1/4 inch * **Material:** Pre-Galvanized Steel * **Includes:** Gasket for enhanced sealing * **Application:** Seals unused conduit knockouts in electrical enclosures * **Rating:** Suitable for NEMA 4X enclosures when properly installed Minerallac Company SKU: 90033. Packaged in quantities of 5 per inner pack and 50 per master carton. This seal is an essential component for maintaining the integrity and safety of electrical installations, particularly in environments where protection from water and dust is critical. Refer to Minerallac's catalog for a full range of sizes and specifications.
  • 1-1/4 inch size for standard conduit openings
  • 3-piece construction for secure installation
  • Pre-galvanized steel for corrosion resistance
  • Includes gasket for enhanced sealing and NEMA 4X compliance
  • Ideal for sealing unused conduit knockouts in electrical enclosures

Specifications

Disclaimer
NOT NEMA RATED
Material
Pre-Galvanized Steel
Size
1-1/4"
Package Dimensions (L x W x H)
4.25 IN x 3.625 IN x 3.25 IN
Package Dimensions (L x W x H)
10.795 cm x 9.2075 cm x 8.255 cm
Package Weight (Imperial)
0.3650 L
Package Weight (Metric)
0.1660 kg
The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.

NNC75X75WH2

The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.
The NE1.5X4WH6 Halogen-Free Wide Slot Wiring Duct design provides greater rigidity and allows for a wide range of wire/bundle sizes. Upper and lower scorelines for easy finger/sidewall section removal. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 4.06" x 1.64" (103.1 mm x 41.7 mm) and 6' (1.83 m) long. Cover sold separately. Color White. 6 pieces per package.

NE1.5X4WH6

The NE1.5X4WH6 Halogen-Free Wide Slot Wiring Duct design provides greater rigidity and allows for a wide range of wire/bundle sizes. Upper and lower scorelines for easy finger/sidewall section removal. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 4.06" x 1.64" (103.1 mm x 41.7 mm) and 6' (1.83 m) long. Cover sold separately. Color White. 6 pieces per package.
2 x 3 Inches Duct Spacer, High Impact Polystyrene Snap-Loc Intermediate Spacer For Use With Nonmetallic Ducts

S289JLN

2 x 3 Inches Duct Spacer, High Impact Polystyrene Snap-Loc Intermediate Spacer For Use With Nonmetallic Ducts
2 x 3 Inches Duct Spacer, High Impact Polystyrene Snap-Loc Base Spacer For Use With Nonmetallic Ducts

S288JLN

2 x 3 Inches Duct Spacer, High Impact Polystyrene Snap-Loc Base Spacer For Use With Nonmetallic Ducts

Frequently Asked Questions about Minerallac Company

What are the main product lines offered by Minerallac Company?

Minerallac Company offers multiple comprehensive product lines including Minerallac Traditional (electrical fasteners), Strut Fittings, Stainless Steel Fasteners, Black Claw, Impact Staples, and Redmore. Their Traditional line features over a thousand electrical fastener variations covering conduit/cable/wire products, nail straps, beam clamps, metal stud & drywall accessories, acoustical supports, voice/data hardware, and miscellaneous electrical installation components.

What is Minerallac Company's warranty policy?

Minerallac Company provides a limited warranty that guarantees all products are free from defects in material and workmanship. If a product fails to meet this warranty, Minerallac's sole liability is to replace the product at no charge. The warranty is exclusive and does not cover consequential damages, lost profits, or implied warranties of merchantability or fitness for a particular purpose.

What industries and applications are Minerallac Company products used for?

Minerallac Company products are used extensively across electrical, construction, and industrial applications, including conduit and cable support, beam mounting, metal stud and drywall installation, voice/data infrastructure, and low voltage systems. Their product lines cover critical fastening solutions for electrical contractors, with specialized offerings in conduit hangers, straps, beam clamps, cable supports, and mounting hardware for various industrial environments.

What technical support does Minerallac Company offer?

Minerallac Company offers comprehensive technical support through multiple channels, including a toll-free customer service line at 800-927-3293, email support at [email protected], and online resources at www.minerallac.com. Their support covers product selection, technical specifications, and customer service for their extensive line of electrical fasteners, hangers, straps, and hardware across multiple product brands including Minerallac Traditional, Cully, Black Claw, IMPACT Staples, and Minerallac Stainless Steel. Support hours are 8:00 A.M. to 5:00 P.M. CT for their corporate office and 8:00 A.M. to 5:00 P.M. PT for their regional office.

What are the key features of Minerallac Company products?

Minerallac Company products feature a comprehensive range of electrical fasteners and hardware with exceptional versatility, including over 1,000 different sizes, styles, and finishes. Key features include multiple product lines such as Traditional, Strut Fittings, and Stainless Steel options with specialized finishes like 304/316 Stainless Steel, Hot-Dipped Galvanized, and Zinc Electroplate. Their products are engineered for electrical contractors, offering time-saving solutions with high-quality fasteners designed for durability, corrosion resistance, and worker safety across various installation environments.

What environmental ratings do Minerallac Company products have?

Minerallac Company products have robust environmental ratings, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13 certifications, CSA Type 1-4X, 12, and 13 ratings, and IEC 60529 IP66 protection. The products are WEEE and RoHS compliant, with UV and oil resistance, and can operate in extreme temperatures ranging from -55°C to 105°C, making them suitable for harsh industrial environments.

What accessories are available for Minerallac Company products?

Minerallac Company offers a comprehensive range of accessories across multiple product categories, including hardware, fasteners, and mounting solutions. Key accessories include stove bolts with nuts, wing nut washers, bar joist washers, stud clip adapters, brackets, perforated strapping, cable support options like J-hooks and bridle rings, box mounting brackets, outlet retainers, and various stud and drywall supports. Their accessories are available in multiple finishes such as stainless steel, hot-dipped galvanized, zinc electroplate, and powder-coated options.

How are Minerallac Company products typically installed?

Minerallac Company products are typically installed using a variety of specialized fastening solutions, including conduit hangers, straps, beam clamps, and mounting brackets designed for different electrical and construction applications. Installation methods vary by product type, with options for metal studs, drywall, beams, acoustical surfaces, and low voltage systems. The company offers multiple installation styles such as one-hole and two-hole straps, universal beam clamps, and specific mounting hardware to ensure secure and efficient attachment across diverse electrical and construction environments.

What communication protocols do Minerallac Company products support?

Minerallac Company's Brad product line supports multiple industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, Serial, AS-interface, and CC-Link. Their comprehensive portfolio covers over 40 industrial protocols, providing flexible communication solutions for various industrial automation applications from PC-based control to PLC systems.