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ABB ot25f3 isolator 25a load break switch 3 pole
MPN: 1SCA104857R1001
Alt. SKU: OT25F3
Why Choose the ABB OT25F3 Isolator?
The ABB OT25F3 is a compact 3 pole load break switch disconnector rated at 25 A. It provides reliable on load switching and positive isolation for small feeders and motor circuits, making it a strong choice for machinery isolators, local maintenance switches and space conscious control panels.
Part of ABB’s proven OT family, the OT25F3 offers clear ON or OFF indication, front operated switching and a wide range of compatible handles, shafts and auxiliary contacts. Its robust design helps you build tidy panels without compromising safety or performance.
Key Features
- 3 pole load break switch disconnector, 25 A.
- On load isolation for distribution and motor applications.
- Clear, positive contact position indication.
- Front operated base unit with broad accessory range.
- Compact footprint for space efficient panel layouts.
- Padlockable operation available with the appropriate handle kit.
Technical Specifications
- Manufacturer: ABB
- Series: OT switch disconnectors
- Model: OT25F3
- Poles: 3
- Rated current Ie: 25 A
- Rated operational voltage Ue: up to 690 V AC
- Rated insulation voltage Ui: 690 V
- Impulse withstand Uimp: 6 kV
- Utilisation categories: AC 22 A general use, AC 23 A motor load (per ABB application data)
- Mounting: Base mounting; external door handles and shaft kits available
- Accessories: Auxiliary contacts, terminal shrouds, padlockable and door interlocked handles
- Terminals: Finger safe when used with the designated covers
- Standards: IEC or EN 60947 3
- Notes: For DC and detailed AC 23 A ratings, refer to ABB application tables
Certifications
Conforms to IEC or EN 60947 3 switch disconnector requirements. CE and UKCA documentation plus RoHS and REACH statements are available from ABB.
Comparison and Selection Notes
Choose OT25F3 where 3 pole isolation at 25 A is required in a compact footprint. For neutral switching use a 4 pole variant such as OT25F4, and for higher current choose the next OT frame size. If a door interlocked, padlockable handle is needed, select the matching external handle and shaft to suit enclosure depth.
Frequently Asked Questions
- What is the OT25F3 used for
- Is it suitable for motor loads
- Can it be padlocked in the OFF position
- Which standards does it meet
- What accessories are available
Applications
- Machine or local isolator for small three phase loads.
- Compact panel incomers and outgoing feeders.
- OEM and panel builder projects needing safe, visible isolation.
Customer Reviews
Overall rating: 5 Star Product
"Tidy, dependable isolator with clear indication. Accessories make it easy to configure." - James B, Panel Builder, 5 Star Product
"Ideal for small machinery isolation. Good range of handles and shrouds." - Amira S, Controls Engineer, 5 Star Product
| Manufacturer Part Number | 1SCA104857R1001 |
|---|---|
| Amperage | 25A |
| Number of Poles | 3 Pole |
| Manufacturer | ABB |
| Mount Type | DIN-rail mounted |
| Alternative Product SKU | OT25F3 |
| Product Lead Time | 1-2 days |
| Product Image | For Illustration Purposes Only |