ABB SSKT160-08 RE400AEPJH1ABB-P Connection Unit – Obsolete SACE Spare Part

Technical Dossier

Product Details And Specifications

ABB SSKT160-08 RE400AEPJH1ABB-P Connection Unit – Obsolete SACE Spare Part

When a connection unit such as the ABB SSKT160-08 RE400AEPJH1ABB-P fails in a live industrial installation, the consequences extend far beyond the cost of the component itself. Plants running ABB SACE Tmax or Isomax-based motor protection and switching architectures face a hard choice: locate the original spare part, or commit to a full panel redesign and re-engineering project that routinely costs hundreds of thousands of dollars — and weeks of unplanned downtime. This page exists to address that problem directly. DriveKNMS maintains sourced inventory of discontinued ABB connection units specifically to support facilities that cannot afford system-wide replacement.

Technical Specifications

Note: Electrical parameters specific to this assembly variant are not published independently. Compatibility must be verified against the original panel documentation and ABB SACE wiring diagrams before installation.

Solving the Discontinued Hardware Crisis

The ABB SACE Tmax and Isomax product lines were widely deployed across European and Asian industrial facilities throughout the 1990s and 2000s — in chemical processing plants, water treatment stations, cement production lines, and marine electrical systems. The SSKT160-08 RE400AEPJH1ABB-P connection unit serves as the mechanical and electrical interface between the circuit breaker body and the fixed installation wiring. Without it, the breaker cannot be seated, and the protected circuit cannot be energized.

ABB has since transitioned this product family to newer Tmax XT and Emax 2 platforms. Replacement connection units for legacy frame sizes are no longer manufactured. Facilities that have not migrated their MCC infrastructure face a sourcing gap that standard distributors cannot fill. The only viable path to maintaining uptime — without a full panel retrofit — is locating verified surplus stock from specialized suppliers.

DriveKNMS operates a global sourcing network focused specifically on this category of discontinued ABB switchgear accessories. We maintain traceability records and can provide documentation to support maintenance audits and insurance compliance requirements.

Condition & Reliability Assurance

All connection units sourced by DriveKNMS undergo a structured 5-step inspection protocol before dispatch:

• Step 1 – Visual and mechanical inspection: Housing integrity, plug-in rail condition, and locking mechanism function are checked against OEM dimensional references.
• Step 2 – Contact surface assessment: All electrical contact points are examined for oxidation, pitting, and corrosion. Affected contacts are cleaned using approved non-abrasive methods or the unit is rejected.
• Step 3 – Insulation resistance check: Dielectric integrity between phases and between phase and earth is verified.
• Step 4 – Mechanical fit verification: Where reference breaker frames are available, physical seating and locking engagement are confirmed.
• Step 5 – Packaging and ESD protection: Units are packed in anti-static materials with desiccant to prevent moisture ingress during transit and storage.

Units that do not pass all five steps are quarantined and not offered for sale.

Key Features for System Maintenance

• Drop-in replacement: The SSKT160-08 RE400AEPJH1ABB-P is a direct mechanical substitute for the original installation position — no panel modification required.
• No re-programming required: This is a passive connection assembly. Replacing it does not affect protection relay settings, trip curves, or PLC configurations upstream.
• Avoids engineering redesign costs: Sourcing this unit eliminates the need to engage a panel builder for frame conversion or bus bar reconfiguration — a process that typically involves 4–8 weeks of engineering time and significant capital expenditure.
• Extends asset service life by 5–10 years: For facilities with functioning ABB SACE Tmax breakers in good condition, replacing a failed connection unit is the most cost-effective method to defer full MCC replacement. A single spare unit can protect an installation worth 50–200× its own cost.
• Supports maintenance inventory strategy: Procurement teams managing aging switchgear infrastructure are advised to hold at least one spare connection unit per critical circuit. The sourcing window for obsolete ABB accessories narrows each year as global surplus stock is consumed.

FAQ

Q: What warranty applies to obsolete parts?
A: DriveKNMS provides a 90-day functional warranty on all inspected surplus units. This covers defects identified under normal operating conditions. Warranty claims require return of the unit for inspection.

Q: Are these new or refurbished units?
A: Stock condition varies. We clearly state whether a unit is new-old-stock (NOS), inspected surplus, or professionally refurbished. Condition is confirmed in writing before any order is confirmed.

Q: How do I confirm compatibility with my existing installation?
A: Provide your panel drawing reference, breaker frame size, and the original ABB order code from your installation records. Our technical team will cross-reference against known compatibility data before confirming the order.

Q: Can you supply multiple units for a long-term spare parts program?
A: Yes. We recommend facilities identify their full exposure — the number of SSKT160-08 positions across all panels — and secure a proportional buffer stock. Contact us to discuss volume availability and staged delivery options.

Q: What if the unit I receive does not fit?
A: We accept returns within 30 days for units that do not match the described specification, provided the unit has not been installed or modified.