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Onyx 40A 2-6S Programmable Brushless Air ESC (Onyx ONXM2140 | ONXM2140)

Model: Onyx ONXM2140
Dist. #: ONXM2140   SKU: ONXM2140

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List Price:  $38.99
Price:  $36.99
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Updated on Aug 29, 2025 12:34:59 PM

40A 2-6S Programmable Brushless Air ESC...


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Onyx Brushless Programmable ESCs





Overview
Whether you prefer flying fixed-wing aircraft or hovering with helis, there's an Onyx Brushless ESC ideal for your application! All are designed for everyday use, ranging from the 12A for little aircraft to the 80A for larger models. Each one is programmable and packed with security functions like low-voltage cutoff protection, thermal protection and signal loss protection. In addition to NiMH and LiPo compatibility, Onyx ESCs automatically sense the number of cells in connected battery packs. All Onyx ESCs are also backed by a 1-year restricted warranty.





Features

T-Plug connector

Low output resistance for superior current handling ability

3 start modes: Normal/Soft/Super-Soft

Compatibility with NiMH and LiPo batteries

Automobile cell choice

Suitable with fixed-wing aircraft and helis

Braking and timing changes

Sturdy BEC regulator

Low-voltage cutoff protection

Thermal protection

Signal loss protection



Requirements

Automobile Cutoff: Yes

Battery Connector: T-Plug

Battery Input Lead: 14AWG, 3.5 in (89mm) long

BEC: Yes

BEC Continous Current: 3A

BEC Type: Linear

BEC Voltage: 5V

Brakes: Yes

Forward: Yes

Height: 1.36 in (34.7mm)

Input Voltage: 3-6S LiPo, 6-18 cell NiMH

Length: 1.92 in (49mm)

Low-Voltage Cutoff Programmable: Yes

Optimum Burst Current: 60A

Optimum Constant Current: 40A

Motor Connector: 3.5mm Bullet

Motor Output Lead: 16AWG , 3 in (76mm) long

Reverse: No

Type: 40 Amp 3-6S Programmable BL AIR ESC

Weight: 1.23oz (35g)

Width: 1.55 in (39.5mm)
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