OT1250E12: component role and practical integration notes
OT1250E12 is the specified manual switch-disconnector. Specify OT1250E12 by its complete designation, because visual similarity or a partial family number does not prove electrical or mechanical interchangeability.
Technical identification and selection data
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | OT1250E12 |
| Product family | OT1250E |
| Component role | manual switch-disconnector |
| Pole count | 3 |
| Mounting | Base-mounted, front operated |
| Handle | Confirm separately ordered handle and shaft |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
For OT1250E12, the table separates confirmed family or type-code facts from items requiring the actual nameplate and installed option record. Do not assume another unit has the same interfaces.
Interface and compatibility route
Before approving OT1250E12, Check current category, enclosure, cable lugs, handle shaft, door interlock and upstream protective coordination.
Compare the mating equipment, terminals, wiring diagram, supply, firmware or accessory choices as applicable to OT1250E12. Resolve every mismatch before a purchase order or installation work package is released.
Acceptance and service handover
For the installed OT1250E12, Verify operating positions, isolation procedure, mechanical interlock and terminal torque before energization.
Capture the observed behavior, settings, installed revision and fault status of OT1250E12. Keep those findings with the plant asset record so a later service team can distinguish this exact code from a related option.
Where this component fits
Use OT1250E12 in the intended system context: Use a visible manually operated isolation point in an appropriately designed power-distribution assembly.
Document the equipment served by OT1250E12, the normal load or signal, the site environment and the reason this component was selected. A replacement must preserve that function, not just fit the available space.
Same-family ordering references
The following codes share the OT1250E grouping with OT1250E12. They may differ in rating, wiring, software, safety approval or accessories and are not automatic substitutes.
- OT1250E03 1SCA022860R5510
- OT1250E12- 1SCA101552R1001
Quotation checklist
Quote OT1250E12 exactly. Include quantity, nameplate photo, installed hardware revision, drawings and the operating conditions. Ask the supplier to state in writing whether the offered item is the same full code or a separately approved alternative.
Before returning equipment to service with OT1250E12, confirm protective devices, terminal assignment, safety functions and the accepted test record. Preserve the final code in purchasing and maintenance systems.
