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Learn more by watching our Tesla DOL11240 | DOL Starter 11kW 240V | 18-25A Thermal O/L video.
The Tesla DOL11240 is an enclosed direct-on-line motor starter rated for 11kW motor loads, supplied with a 240V control coil and a factory-fitted thermal overload adjustable from 18 to 25A. The DOL11240 houses the contactor and the overload together in one IP42 enclosure, so the starter arrives ready to wire rather than built up from separate components. Tesla builds the range as double insulated construction to AS/NZS standards including IEC 947 and IEC 439.
Running a motor from a plain contactor leaves nothing watching the current once the load climbs. A stalled pump or a seizing bearing draws sustained overcurrent, and the winding cooks long before anyone reaches the switchboard. The 18 to 25A adjustable thermal overload is dialled to the motor nameplate current. Protection then matches the actual load rather than the breaker sizing upstream. The IP42 enclosure keeps the assembly out of the main board and positions motor control at the plant itself.
Buying the starter assembled removes the build entirely: no separate contactor, overload, and enclosure to source, drill, and terminate on site. The DOL11240 arrives as one part number, with the overload already fitted and the enclosure already rated. That shortens the quotation and the installation together. Double insulated construction suits plant rooms and workshop walls where a bare DIN assembly would need its own housing. For contractors servicing pumps and compressors, a single adjustable 18 to 25A band covers a useful spread of motor sizes from stock.
The Tesla datasheet publishes no motor supply voltage or phase for the DOL11240, so confirm the motor rating against the unit before specifying it for a job. The enclosure carries an IP42 rating only, which does not extend to driving rain, hosing, or washdown exposure. Installation is licensed electrical work, and the thermal overload must be set to the motor nameplate current at commissioning.
(DOL11240)
Yes. It is designed for motors up to 11kW and includes built-in overload protection.
The thermal overload relay trips when current is too high for too long, shutting the motor off safely.
Yes. The relay can be set between 18–25A depending on your motor’s requirements.
No. The built-in relay provides the necessary motor overload protection.
No. It’s also used in rural setups, large HVAC systems, and commercial facilities with single-phase motors.
It handles overloads and short circuits, but external surge protection is recommended for unstable supply networks.
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