ABB 7TBA050290R0362 Bottom Door - 5-Jaw Twin Cover
Part Number: 7TBA050290R0362
Quick Summary
Bottom Door for JS4B-TLHO provides secure access and transformer provisioning for underground switchgear. This ABB solution addresses space constraints and retrofit challenges common in utility and industrial installations. By aligning with industry safety and performance standards, it supports safer maintenance and reliable operation in harsh environments. The design is ideal for Hydro-One projects and other utilities requiring robust, field-ready components. With easy integration of current transformers and a precise packaging footprint, it delivers operational efficiency while reducing downtime and total cost of ownership. Manufacturers and utilities gain predictable procurement and smoother project delivery.
Product Information
Extended Description
7TBA050290R0362 ABB: Bottom Door for JS4 underground 5 jaw twin cover. Provision only for current transformer. For Hydro-One.
UPC
624871012575
Country of Origin
Canada (CA)
Selling Unit of Measure
each
Package Level 1 Units
1 EA
Package Level 1 Width
63.5 mm | 2.5 in
Package Level 1 Height
514.35 mm | 20.25 in
Package Level 1 Depth / Length
552.45 mm | 21.75 in
Effective Date
20190524
Product Name
Other
Data Sheet, Technical Information
JS5221L-FG
Feature: Provision for current transformer allows direct CT integration without extensive field wiring. Business Impact: Reduces installation time, lowers wiring errors, and improves signal integrity for metering and protection schemes. Application: Useful in Hydro-One and other utility retrofits where CT provisioning is required. Feature: Underground 5-jaw twin cover compatibility enhances sealing and mechanical integrity. Business Impact: Minimizes ingress protection risks and extends component life in harsh environments. Application: Ideal for underground switchgear enclosures and maintenance access points. Feature: Packaging and dimensional footprint (63.5 mm W x 514.35 mm H x 552.45 mm D) supports precise logistics and on-site handling. Business Impact: Streamlines crane and pallet planning, reduces transit damage, and speeds site setup. Application: Ready-to-install with standard crane-to-door workflows. Feature: Canada origin with standardized manufacturing practices supports traceability and supply reliability. Business Impact: Improves lead times, warranty coverage, and regulatory alignment. Application: Suitable for large-scale utility deployments and OEM programs. Feature: Data Sheet JS5221L-FG provides detailed technical information for engineering validation. Business Impact: Lowers project risk by enabling accurate performance modeling and compliant installations. Application: Used by engineers during specification and procurement phases.
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FAQs
Yes. This Bottom Door is designed for the JS4B-TLHO underground housing with a 5-jaw twin cover configuration and provision for a current transformer. Verify UPC 624871012575 and packaging details to confirm compatibility with your specific installation.
Plan for a standard mounting interface used on JS4B-TLHO enclosures, and account for the door’s packaging footprint of 63.5 mm W x 514.35 mm H x 552.45 mm D. The 1 EA unit simplifies logistics, and the provision for a current transformer reduces field wiring and retrofit time.
Yes. The Bottom Door is designed to support underground switchgear configurations common in Hydro-One deployments, including CT provisioning and robust, field-ready construction suitable for utility-grade applications.
The product aligns with industry practice for utility enclosures and carries documentation such as Data Sheet JS5221L-FG. For exact certifications like CE or IP ratings, refer to the Data Sheet and your project’s compliance requirements, as specifications may vary by market and installation.
The door’s CT provisioning, rugged underground suitability, and precise fit reduce wiring errors, improve maintenance speed, and minimize downtime. These factors contribute to lower total cost of ownership in utility and industrial installations.