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OT30F3C ABB 3-Pole Open-Transition Manual Changeover Switch
ABB OT30F3C is a 3-pole open-transition manual changeover switch rated at 20 A AC-23A at 380–415 V and 30 A UL98 general use at 600 V for reliable three-phase power source selection.
£135.65
Why Choose the ABB OT30F3C 3-Pole Manual Changeover Switch?
The ABB OT30F3C is a compact 3-pole open-transition manual changeover switch designed for reliable source selection in low-voltage electrical distribution systems. As part of the ABB OT Changeover Switches range, it provides manual transfer between two electrical supplies for industrial panels, machinery, distribution equipment and optional standby systems.
This model provides I-O-II open-transition operation, giving a defined OFF position between the two source positions. Its three-pole construction is suitable for three-phase circuits, while the operating mechanism is located on top of the switch for front operation.
The OT30F3C is rated at 20 A for AC-23A duty at 380–415 V and 30 A for UL98 general-use duty at 600 V. It is supplied without an operating handle and shaft, allowing suitable ABB operating accessories to be selected separately for the panel or enclosure installation.
Key Advantages
- Compact 3-pole manual changeover switch for three-phase source selection.
- 20 A AC-23A rating at 380–415 V for demanding switching duties.
- 30 A UL98 general-use rating at 600 V.
- I-O-II open-transition operation with an OFF position between sources.
- 40 A AC-21A and AC-22A rating at 380–415 V.
- Compact 70 × 68 × 68 mm construction for panel installation.
- Handle and shaft selected separately to suit the application.
Key Features
- ABB OT Changeover Switches range.
- 3-pole switching configuration.
- 20 A AC-23A operational current at 380–415 V.
- 9 kW AC-23A operational power at 380–415 V.
- 30 A UL/CSA ampere rating.
- Manual I-O-II open-transition source selection.
- 750 V rated operational and insulation voltage.
- 8 kV rated impulse withstand voltage.
- 0.5 kA for 1 s rated short-time withstand current.
- Top-mounted operating mechanism with front operation.
Reliable Open-Transition Source Selection
The ABB OT30F3C provides controlled manual transfer between two electrical sources using an I-O-II operating sequence. The intermediate OFF position provides open-transition switching, ensuring that one source is disconnected before the alternative source is selected.
Its compact three-pole design, UL98 rating and AC-23A switching capability make the OT30F3C suitable for industrial control panels, distribution equipment and optional standby systems. The separately ordered handle and shaft also allow the operating arrangement to be configured for the enclosure and installation.
Typical Applications
- Three-phase manual power source selection.
- Optional standby power systems.
- Industrial control and distribution panels.
- Generator and mains changeover arrangements.
- Machinery and OEM electrical systems.
- Commercial and industrial power distribution equipment.
Technical Specifications
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| Mounting Type | Base mounting | |
|---|---|---|
| Device Type | Manual changeover switch | |
| Operation | Manual | |
| Series | OT Changeover Switches | |
| ABB order code | 1SCA105071R1001 | |
| Product type | Open-transition manual changeover switch | |
| Number of poles | 3 | |
| Operation | Manual, front operated | |
| Switch positions | I-O-II | |
| Transition type | Open transition | |
| UL98 general-use rating | 30 A at 600 V | |
| AC-21A rated current at 380–415 V | 40 A | |
| AC-22A rated current at 380–415 V | 40 A | |
| AC-23A rated current at 380–415 V | 20 A | |
| AC-23A operational power at 380–415 V | 9 kW | |
| AC-23A rated current at 500 V | 20 A | |
| AC-23A rated current at 690 V | 11 A | |
| Rated operational voltage | 750 V | |
| Rated insulation voltage | 750 V | |
| Rated impulse withstand voltage | 8 kV | |
| Rated short-time withstand current | 0.5 kA for 1 s | |
| Conventional free-air thermal current | 115 A at 40 °C | |
| Operating mechanism | Top of switch | |
| Phase spacing | Standard | |
| Terminal type | Screw terminals | |
| Mounting type | Base mounting | |
| Handle and shaft | Not included; ordered separately | |
| Dimensions (W × H × D) | 70 × 68 × 68 mm | |
| Net weight | 0.9 kg | |
| Standards | UL 98 / IEC 60947-3 | |
| Product group | OT Change over Switches |
Frequently Asked Questions
What is the ABB OT30F3C used for?
The ABB OT30F3C is used for manual open-transition source selection between two electrical supplies in three-phase low-voltage systems.
What is the AC-23A current rating of the OT30F3C?
The OT30F3C is rated at 20 A for AC-23A duty at 380–415 V.
How many poles does the OT30F3C have?
The OT30F3C is a 3-pole manual changeover switch suitable for three-phase switching applications.
What is the UL rating of the ABB OT30F3C?
The OT30F3C has a 30 A UL98 general-use rating at 600 V.
Does the ABB OT30F3C include a handle and shaft?
No. The OT30F3C is supplied without an operating handle and shaft; suitable operating accessories must be ordered separately.
Trusted for Industrial Power Distribution
ABB OT manual changeover switches provide dependable source selection for industrial and commercial electrical systems, combining compact construction, robust switching performance and flexible operating arrangements.
