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ABB ot125m3 125 amp 3 pole change-over switch
ABB OT125M3 3-pole 125 A front operated modular switch disconnector for distribution boards, industrial control panels and low voltage circuit isolation applications.
£89.30
Why Choose the ABB OT125M3 Switch Disconnector?
The ABB OT125M3 is a compact and reliable 3-pole modular switch disconnector designed for safe manual isolation of electrical circuits in distribution boards, industrial control panels and low voltage power systems. As part of the proven ABB OT Series, it provides dependable switching performance for electricians, panel builders and OEM machine builders requiring compact circuit isolation.
This front operated, non-fusible switch disconnector is designed for base mounting and DIN rail mounting, making it suitable for distribution boards and control panels where reliable manual isolation is required. Its protected clamp terminals, compact modular body and robust construction make it well suited to installations where space efficiency, safe operation and long service life are essential.
With a 125 A rated operational current, 3-pole configuration and modular format, the OT125M3 is ideal for three-phase circuit isolation, control panel switching and maintenance isolation applications. The operating handle and shaft are supplied separately, allowing the installation to be configured around the enclosure and panel layout.
Key Advantages
- Compact 3-pole switch disconnector for low voltage isolation.
- 125 A rated operational current for control and distribution applications.
- DIN rail mountable and base mountable for flexible installation.
- Front operated switching mechanism for convenient panel integration.
- Protected clamp terminals for secure wiring.
- Compatible with ABB handles, shafts and accessories for panel configuration.
Key Features
- ABB OT Series switch disconnector.
- 3-pole configuration.
- 125 A rated operational current.
- Front operated switching mechanism.
- DIN rail mountable modular design.
- Suitable for distribution boards and industrial control panels.
- Protected clamp terminals for safe connection.
- Handle and shaft supplied separately for installation flexibility.
Compact Isolation for Distribution Boards and Panels
Switch disconnectors such as the ABB OT125M3 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 across low voltage installations.
The OT125M3 is particularly useful where a compact modular isolator is required in a distribution board, switchboard or control panel. Its 3-pole format, DIN rail mounting capability and front operated design make it a practical choice for three-phase isolation in industrial and commercial electrical assemblies.
Typical Applications
- Industrial control panels and switchboards.
- Distribution boards and low voltage assemblies.
- Three-phase circuit isolation.
- Machine isolation and maintenance switching.
- Motor control centres and automation cabinets.
- Panel building and OEM machinery applications.
Technical Specifications
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| Product Series | ABB OT | |
|---|---|---|
| Device Type | Manual changeover switch | |
| Operation | Manual | |
| Mounting Type | DIN rail | |
| Current | 125 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Manufacturer | ABB | |
| Series | OT Switch Disconnectors | |
| Model | OT125M3 | |
| 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 | |
| Terminal type | Protected clamp terminals | |
| Protection rating | IP20 front | |
| Standards | IEC 60947-3 | |
| Handle and shaft | Not included | |
| Suitable use | Three-phase circuit isolation | |
| HS Code | 85365019 | |
| Country of Manufacture | Finland |
Frequently Asked Questions
What is the ABB OT125M3 used for?
The OT125M3 is used to safely isolate electrical circuits in distribution boards, control panels, machinery and low voltage power systems.
How many poles does the OT125M3 have?
The ABB OT125M3 has a 3-pole configuration, making it suitable for three-phase circuit isolation applications.
What is the current rating of the OT125M3?
The OT125M3 has a 125 A rated operational current.
Can the ABB OT125M3 be DIN rail mounted?
Yes. The OT125M3 is suitable for DIN rail mounting as well as base mounting, giving installers flexibility in panel and distribution board applications.
Are the handle and shaft included with the OT125M3?
No. The operating handle and shaft are not included and should be selected separately to suit the enclosure and installation requirements.
Trusted by Panel Builders Worldwide
ABB OT Series switch disconnectors are widely used by electrical engineers, panel builders and machine builders to provide safe isolation, reliable switching and compact installation in industrial and commercial low voltage systems.
