Ch 289CT N3R
Ch 289CT N3R CT cabinet for utility-approved current transformer metering and service entrance installations. Central Hudson-approved NEMA 3R 289A
Technical Specifications
Approved Utilities
Overview
The Ch 289CT N3R (SKU: Ch 289CT N3R) is a professional B2B CT Cabinets device, custom manufactured by Nav-Tech. Rated for 277/480V and up to 1200-2500A, it represents a highly reliable, utility-compliant option for modern electrical construction engineering. Built in Hauppauge, NY, this unit ensures compliance with serving utility specifications and regional electrical inspector manuals. Ch 289CT N3R CT cabinet for utility-approved current transformer metering and service entrance installations. Central Hudson-approved NEMA 3R 289A
Features
- Environmental Rating: Designed and certified to meet high NEMA 3R environmental guidelines.
- Electrical Integrity: Built to operate reliably up to 277/480V circuits at maximum amperage capacity of 1200-2500A.
- Approved Integration: Pre-approved layouts for Central Hudson electrical grids.
- Commercial Safety: Lockable handles, safety viewing tabs, and clear terminal arrangements.
Benefits
- Utility Standard Compliance: Custom engineered to meet specific electric utility company manual requirements, facilitating quick inspection approval.
- Weatherproof Protection: Constructed to Type 1 indoor and Type 3R outdoor raintight standards with tough galvanized steel enclosures.
- Secure Service Access: Includes padlockable doors, hinged access covers, and robust latching systems for maximum equipment safety.
- Flexible Configurations: Available in both furnished (with copper bus and lugs) and unfurnished options to match diverse site needs.
Applications
Current transformer metering cabinets for utility service entrance and high-capacity electrical services.
Industries
- Electrical Construction Contracting: Speeds up approvals and matches exact job drawings.
- Civil Utilities: Standard structural boxes that match municipal service codes.
- Commercial Real Estate: Reliable, padlockable service meter panels and pull boxes.
- Industrial Engineering: Heavy equipment power disconnect setups.
FAQ
Is the Nav-Tech model Ch 289CT N3R approved by utility companies?
Yes, this unit is approved by Central Hudson. If your project is in a territory served by a different utility group, please contact our Hauppauge engineering desk to request a custom specification review and compliance submittal drawings.
What environmental protection does the NEMA 3R rating offer?
A NEMA 3R enclosure is built to protect electrical connections. Type 3R ratings provide security against rain, snow, and windblown dust, making them suitable for outdoor commercial installations. Type 1 is designed for clean indoor service entries.
How do I request CAD submittals and DWG layout drawings for the Ch 289CT N3R?
Nav-Tech provides dimensional drawings and submittals for all utility-grade enclosures. You can download the PDF spec sheet directly on this page or use the Contact Form to request engineering DWG/DXF files for your building submittal package.
Compliance Summary
- UL Listed Certification
- NEMA Rated Enclosures
- Utility Standard Approved
- Standard Construction
Specifications
| Voltage Rating | 277/480V |
| Amperage Rating | 1200-2500A |
| Enclosure Protection | NEMA 3R |
| Product Category | CT Cabinets |
| Approved Utilities | Central Hudson |
| UL Listing Status | UL 50 / UL 891 Listed |
| Construction Material | Galvanized Steel / Aluminum / Copper (as specified) |
Documents & Drawings
Technical Specifications Sheet (PDF)
Detailed dimension drawings, wiring diagrams, and layout options.
CAD Submittal Request
Request DWG/DXF dimensional files for project engineering approval.
Nav-Tech Product Catalog
Complete portfolio of service entrance and metering equipment.
Related Equipment
Engineering Support for Every Order
Submit your service-entrance drawings, utility spec, or one-line diagram. Our engineering team responds with a quote, lead time, and shop drawings within two business days.