ABB OT40F3 40A 3-Pole Switch Disconnector Isolator
The ABB OT40F3 is a 40A 3-pole switch disconnector for safe isolation and load switching of three-phase circuits in UAE commercial and industrial installations. Compact and reliable, it is used as a local isolator, main switch, or section switch in control panels, MCCs, and machinery enclosures.
Key Features
- 40A 3-pole switch disconnector for three-phase circuits
- Padlockable in OFF position for safety lockout
- Suitable for motor and general load isolation duty
- Panel mount or enclosure door fitting
- Genuine ABB OT series quality
Technical Specifications
| Specification |
Details |
| Brand |
ABB |
| Model |
OT40F3 |
| Article Number |
1SCA104902R1001 |
| Rated Current |
40A |
| Poles |
3 |
| Type |
Switch Disconnector |
| Voltage |
415V AC |
Applications
- Local isolation of three-phase machinery and equipment
- Control panel section switches
- Group isolators in industrial MCCs
- General three-phase maintenance isolation
FAQ
-
Is this an MCB or an isolator?
It's an isolator (switch-disconnector), not an MCB. It has no overload or short-circuit protection — it only provides a manual on/off disconnect, and should be paired with separate MCBs or RCCBs for circuit protection.
-
What does 3-pole mean for this isolator?
3-pole means it switches all three phases on a three-phase supply.
-
Where should this isolator be installed?
Typically as the main incoming switch or a local isolation point ahead of the MCBs/RCCBs in a distribution board, so the whole board (or a section of it) can be isolated for maintenance without needing to trip individual breakers.
-
Can I install this myself?
No. This is trade-only distribution board equipment and must be installed and connected by a licensed electrician in accordance with local wiring regulations.
-
Can this isolator be used to switch a live circuit under load?
Isolators rated for on-load switching can do this within their utilisation category, but check the specific AC rating in the Technical Specifications table — an isolator is not a protective device and should not substitute for a circuit breaker.
