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ABB ot125flb3 isolator 125 amp load break switch 3 pole
ABB OT125FLB3 3-pole 125 A front operated switch disconnector, Product ID 1SCA114833R1001, with extended busbar terminals on the bottom side and front protected clamp terminals on the top side for industrial circuit isolation and low voltage power distribution applications.
£82.29
Why Choose the ABB OT125FLB3 Switch Disconnector?
The ABB OT125FLB3 is a compact and reliable 3-pole switch disconnector designed for safe manual isolation of electrical circuits in industrial control panels, machinery and low voltage power distribution systems. As part of the proven ABB OT Series, it provides dependable switching performance for panel builders, OEMs and electrical engineers requiring reliable circuit isolation.
This front operated, non-fusible switch disconnector is suitable for both base mounting and DIN rail mounting, offering flexible installation in control cabinets and distribution assemblies. Its extended busbar terminals on the bottom side and front protected clamp terminals on the top side make it particularly useful where busbar connection and compact panel wiring are required.
With a 125 A current rating, 3-pole configuration and Product ID 1SCA114833R1001, the OT125FLB3 is ideal for three-phase circuit isolation and industrial load break applications. The operating handle and shaft are supplied separately, allowing the installation to be configured around the enclosure depth and panel layout.
Key Advantages
- Reliable 3-pole switch disconnector for industrial circuit isolation.
- 125 A rated operational current for low voltage applications.
- Extended busbar terminals on the bottom side for flexible panel wiring.
- Front protected clamp terminals on the top side for secure cable connection.
- Suitable for base mounting or DIN rail mounting.
- Compatible with ABB handles, shafts and accessories for flexible installation.
Key Features
- ABB OT Series switch disconnector.
- 3-pole configuration.
- 125 A rated current.
- Front operated switching mechanism.
- Extended busbar terminals on bottom side.
- Front protected clamp terminals on top side.
- Base mounted and DIN rail mountable construction.
- Handle and shaft supplied separately for installation flexibility.
Reliable Busbar-Ready Isolation for Industrial Panels
Switch disconnectors such as the ABB OT125FLB3 provide a safe and dependable way to isolate electrical circuits during servicing, inspection and maintenance. By allowing the supply to be manually disconnected, they help protect personnel and equipment while supporting safe working procedures in industrial installations.
The OT125FLB3 is especially useful in panel layouts where bottom-side busbar terminals simplify incoming or outgoing busbar connections while top-side clamp terminals support secure cable wiring. Its compact 3-pole format, front operation and DIN rail compatibility make it suitable for control panels, distribution boards and machinery where reliable isolation is essential.
Typical Applications
- Industrial control panels and switchboards.
- Busbar-connected power distribution systems.
- Machine isolation and maintenance switching.
- Motor control centres and automation cabinets.
- Low voltage power distribution equipment.
- Panel building and OEM machinery applications.
Technical Specifications
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| Device Type | Switch Disconnector | |
|---|---|---|
| Product Series | ABB OT | |
| Current | 125 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Manufacturer | ABB | |
| Series | OT Switch Disconnectors | |
| Model | OT125FLB3 | |
| Product ID | 1SCA114833R1001 | |
| EAN | 6417019471419 | |
| Product type | Switch disconnector / non-fusible disconnect switch | |
| Rated operational current | 125 A | |
| Number of poles | 3 | |
| Rated operational voltage | Up to 750 V AC | |
| Rated insulation voltage | 750 V | |
| Rated impulse withstand voltage | 8 kV | |
| Operation | Front operated | |
| Mounting type | Base mounting / DIN rail mountable | |
| Bottom terminal type | Extended busbar terminals | |
| Top terminal type | Front protected clamp terminals | |
| Protection rating | IP20 front | |
| Standards | IEC 60947-3 / UL 98 | |
| Handle and shaft | Not included | |
| Dimensions (H × W × D) | approx. 154 × 90 × 74 mm | |
| Weight | approx. 0.43 kg |
Frequently Asked Questions
What is the ABB OT125FLB3 used for?
The OT125FLB3 is used to safely isolate electrical circuits in industrial control panels, machinery, switchboards and low voltage distribution systems.
How many poles does the OT125FLB3 have?
The ABB OT125FLB3 has a 3-pole configuration, making it suitable for three-phase circuit isolation applications.
What is the current rating of the OT125FLB3?
The OT125FLB3 has a rated operational current of 125 A.
What terminals does the ABB OT125FLB3 have?
The OT125FLB3 features extended busbar terminals on the bottom side and front protected clamp terminals on the top side.
Are the handle and shaft included with the OT125FLB3?
No. The operating handle and shaft are not included and should be selected separately to suit the enclosure depth and installation requirements.
Trusted by Panel Builders Worldwide
ABB OT Series switch disconnectors are widely used by electrical engineers, OEM machine builders and panel manufacturers to provide safe isolation, reliable switching and compact installation in industrial low voltage power systems.
