TF96-87: TF96 thermal overload relay application and replacement review
TF96-87 is a TF96 thermal overload relay. The technical data below separates documented family characteristics from ordering-code options that need verification on the actual unit.
Technical facts to verify
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | TF96-87 |
| ABB order code | 1SAZ911201R1005 |
| Adjustment range | 75–87 A |
| Trip class | 10 |
| Auxiliary contacts | 1 NC trip and 1 NO signal |
| Reset | Manual or automatic selectable |
The data for TF96-87 supports initial identification. For a purchase decision, use the actual nameplate and the manufacturer's documentation for the complete installed configuration.
Configuration gate before ordering
For TF96-87, Check the mating AF80/AF96 contactor, trip circuit, reset policy and coordination data. The neighboring TF96-78 or TF96-96 units have different setting ranges.
The RFQ for TF96-87 should include the full designation, quantity, clear nameplate photo, revision, drawings and required delivery date. Request explicit confirmation of every proposed alternative.
Where this designation fits
For TF96-87, Compare the motor nameplate current, duty cycle and ambient conditions with the adjustable range. Thermal overload protection is distinct from feeder short-circuit protection.
Record the operating duty, supply and field interfaces of TF96-87. A same-family designation may still have a different electrical rating, connection, firmware or approval.
Related designations in the same product line
The following codes have a same-line relationship to TF96-87. Their ratings and options can differ; they are references for an enquiry, not approved substitutes.
No additional exact same-line designation is shown here for TF96-87. Do not assume a different product family is interchangeable.
Site acceptance and maintenance
For TF96-87, Set the dial to the engineered value, test trip signaling and starter inhibition, and confirm that the selected reset mode is safe for the machine.
File the test record under TF96-87 and keep the as-left wiring, settings and firmware with the asset history. Site safety procedures and the exact manufacturer's instructions govern the work.
Procurement handover
Use TF96-87 consistently in the quotation, purchase order and maintenance record. Ask the supplier to state whether the offered item is the exact designation or a documented successor.
Before energizing TF96-87, compare the supplied labels, accessories and approvals with the approved engineering documents. Retain the inspection and acceptance results for future service.
