
Contact for Pricing
Overview
- Package includes 2 Type 4X Ventilation Kits
- NEMA 4X / IP66 ingress protection
- UV-stabilized polycarbonate construction
- Corrosion-resistant aluminum filter mesh
- Wide operating temperature range: -35°C to 130°C
- Mounts to enclosure walls up to 0.16" (4mm) thick
- Includes installation template and all mounting hardware
- Complies with UL94 V-0 flammability and UL746C UV rating
Specifications
Brand Name | Hammond Mfg. |
Color | Light Gray |
IP Rating | IP66 |
Material | Polycarbonate, Aluminum, Polyurethane |
Mounting Type | Wall Mount |
Nema Rating | Type 4X |
Series | SDVN |
Size | Package of 2 |
Sub Brand | SDV N4 |
Package Dimensions (L x W x H) | 0.83 IN x 3.26 IN x 4.59 IN |
Package Dimensions (L x W x H) | 2.1082 cm x 8.2804 cm x 11.6586 cm |
Package Weight (Imperial) | 1.000 L |
Package Weight (Metric) | 0.454 kg |

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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.Frequently Asked Questions
What is the ingress protection rating of the SDVN4XN2?
The Hammond SDVN4XN2 ventilation kit offers NEMA Type 4X and IP66 ingress protection.
What materials are used in the SDVN4XN2 ventilation kit?
The kit is constructed from injected molded polycarbonate, with a polyurethane gasket and a corrosion-resistant aluminum filter mesh.
What is the operating temperature range for the SDVN4XN2?
The SDVN4XN2 ventilation kit can operate in temperatures ranging from -35°C to 130°C (-31°F to 266°F).
What is the maximum enclosure wall thickness for mounting?
The SDVN4XN2 is designed for enclosure wall thicknesses up to 0.16" (4mm).
Is the SDVN4XN2 suitable for outdoor use?
Yes, the SDVN4XN2 is UV-stabilized and rated for outdoor use, providing protection against harsh environmental conditions.
What is the package quantity for the SDVN4XN2?
The Hammond SDVN4XN2 is sold as a package containing two ventilation kits.
Does the SDVN4XN2 help prevent condensation?
Yes, the ventilation kit provides controlled airflow and pressure equalization, which assists in preventing condensation within enclosures.
How to Install the Hammond SDVN4XN2 Ventilation Kit
Step-by-step guide for installing the Hammond SDVN4XN2 Type 4X Ventilation Kit.
Estimated time: 30m
Tools needed:
Drill, Screwdriver, Measuring tape, Marker
Supplies needed:
Mounting screws (included), Installation template (included)
- Determine Mounting Location
Select a suitable location on the enclosure wall, ensuring it is free from obstructions and allows for adequate airflow. Consider placing kits in opposite locations for optimal pressure compensation.
- Mark Cutout Area
Use the included installation template to accurately mark the required cutout diameter on the enclosure wall. The minimum cutout diameter is 1.46 inches.
- Cut Enclosure Opening
Carefully drill or cut out the marked opening in the enclosure wall according to the template specifications.
- Prepare for Mounting
Ensure the enclosure wall thickness is within the specified range of up to 0.16" (4mm). Clean the mounting surface around the cutout.
- Attach Gasket
Apply the included polyurethane gasket to the back of the ventilation kit or the enclosure opening as per the template instructions to ensure a proper seal.
- Mount Ventilation Kit
Position the ventilation kit over the cutout opening. Secure the kit to the enclosure wall using the provided mounting screws. Tighten screws evenly.
- Verify Installation
Ensure the ventilation kit is firmly attached and the gasket provides a complete seal. Check for any gaps or potential ingress points.
Frequently Asked Questions about Hammond Manufacturing
What is Hammond Manufacturing's warranty policy?
Hammond Manufacturing provides a standard one-year warranty on all products, covering defects in workmanship and materials. Products will be repaired or replaced free of charge if found defective upon factory inspection. The warranty does not cover damage from improper handling, incorrect application, or faulty installation.
What certifications and standards do Hammond Manufacturing products comply with?
Hammond Manufacturing products are certified to UL (Underwriters Laboratories) and CSA (Canadian Standards Association) standards in North America. Our products meet rigorous safety and performance requirements, with many items classified as UL Listed Products or Recognized Components. We also comply with international certifications including China Compulsory Certification (CCC), C-Tick for Australian EMC requirements, and ANCE for Mexico.
What are the key features of Hammond Manufacturing products?
Hammond Manufacturing offers a comprehensive range of industrial enclosures and electrical components, including mild steel, stainless steel, aluminum, and non-metallic enclosures designed for diverse industrial applications. Their product lines cover critical industrial automation needs such as disconnect enclosures, operator interface enclosures, climate control solutions, and general accessories, with products engineered to meet Type 4, 4X, and 12 industrial standards.
What environmental ratings do Hammond Manufacturing products have?
Hammond Manufacturing offers enclosures with multiple environmental ratings across their product lines, including UL/cUL 508A ratings of Type 1, 2, 3, 4, 4X, 12, and 13. Their products also comply with IEC 60529 IP66 standards, providing robust protection against dust, water ingress, and harsh environmental conditions. Specific ratings vary by product series, with options ranging from indoor Type 1 enclosures to outdoor-rated Type 4X enclosures suitable for wet, corrosive, and high-temperature environments.
What industries and applications are Hammond Manufacturing products used for?
Hammond Manufacturing produces industrial enclosures and electrical components for multiple critical industries, including automation, electrical, audio, power systems, and control applications. Their product lines span mild steel, stainless steel, aluminum, and non-metallic enclosures designed for various NEMA types (Type 4, 4X, 12), as well as transformers, circuit board components, and climate control solutions for industrial and commercial environments.
What technical support does Hammond Manufacturing offer?
Hammond Manufacturing offers comprehensive technical support through multiple channels. Customers can access technical references and CAD downloads directly on www.hammondmfg.com, and can contact regional support teams via phone in Canada, the USA, and internationally. For custom design inquiries, their technical team provides personalized assistance, helping customers find standard solutions or develop custom transformer and electrical enclosure designs.
What are the main product lines offered by Hammond Manufacturing?
Hammond Manufacturing offers a comprehensive range of industrial enclosures, power supplies, and electronic packaging solutions. Their primary product lines include electrical and electronic enclosures, power transformers, heat sinks, PCI/PCIe card enclosures, and specialized mounting hardware for industrial automation and electronic applications.
What accessories are available for Hammond Manufacturing products?
Hammond Manufacturing offers a comprehensive range of accessories for their industrial enclosures and electrical components. Key accessories include HME Series handles (swing and lift handles with key locking and padlocking options), door stop kits, and light kit mounting brackets. They also provide standard hardware like screws, washers, and mounting accessories specific to different product lines.
How are Hammond Manufacturing products typically installed?
Hammond Manufacturing transformers are typically chassis-mounted using pre-drilled mounting holes and centers specified in their product dimension tables. Most models feature 3/16" diameter mounting holes and precise mounting centers, allowing for direct, secure installation onto equipment chassis or mounting plates. Installation requires aligning the transformer's mounting holes with corresponding mounting points and securing with appropriate fasteners.







