Shenzhen ZTW Model Science&Technology Co.,ltd
| Continuous Current | 120A |
| Size | 188*95*39.5mm |
| Weight | 1119g |
| Burst Current | 300A |
| Model Name | ZX 300A ESC FOC 28S |
| Input Voltage | 6-28S LiPo |
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Product Specification
| Continuous Current | 120A | Size | 188*95*39.5mm |
| Weight | 1119g | Burst Current | 300A |
| Model Name | ZX 300A ESC FOC 28S | Input Voltage | 6-28S LiPo |
| High Light | 28S ZTW 300 Amp ESC ，6S ZTW 300 Amp ESC ，300A Large Scale UAV ESC | ||
ZTW ZX 300A FOC ESC 6-28S Ultra-High-Power Industrial ESC for eVTOL, Heavy-Lift and Large-Scale UAV
Series Flagship: 300A FOC at Up to 28S
The ZX 300A is the most powerful ESC in the ZX FOC series, supporting 6-28S LiPo and delivering 120A continuous / 300A burst — engineered for large eVTOL aircraft, heavy-lift cargo drones, and industrial UAV platforms requiring extreme propulsion with maximum efficiency.
Up to ~35kW Peak with FOC Efficiency
At 28S (~118V) and 300A peak, this ESC can deliver over 35kW per unit. Field-oriented control optimizes motor current vectors in real time, minimizing losses and heat at extreme power levels for the most demanding commercial applications.
Massive Heatsink Enclosure
The 188×95×39.5mm, 1119g aluminum case provides exceptional thermal mass and dissipation area, managing the heat generated by sustained high-current, high-voltage FOC operation without active cooling in most configurations.
8-Gauge Extended Power Wiring
8-gauge power wires (1145mm) and motor wires (150mm) handle extreme currents with minimal voltage drop, while the extended power lead accommodates large airframe layouts with remote battery placement common in eVTOL and cargo drone designs.
Shielded Signal Cable for High-Noise Environments
The 26AWG shielded signal cable (1060mm) ensures clean control signal transmission in electrically dense high-power airframes, preventing interference that could cause motor desynchronization at critical flight moments.
Parameterless Programming & UART/CAN Telemetry
Auto motor parameter identification enables rapid OEM integration even with the largest motors, while customizable UART and CAN bus interfaces deliver comprehensive real-time telemetry for flight controller integration and fleet health monitoring.
Splash-Proof & Firmware Upgradeable
Splash-proof construction and field-upgradable firmware ensure the ZX 300A delivers reliable, future-proof performance for the most demanding commercial and industrial FOC propulsion applications.
| Specifications | ZX 50A FOC | ZX 60A FOC | ZX 80A FOC | ZX 150A FOC | ZX 200A FOC 14S | ZX 200A FOC 20S | ZX 300A FOC 28S |
|---|---|---|---|---|---|---|---|
| Continuous Current | 20A | 20A | 30A | 60A | 70A | 70A | 120A |
| Burst Current | 50A | 60A | 80A | 150A | 200A | 200A | 300A |
| Input Voltage | 6-14S LiPo | 6-14S LiPo | 6-14S LiPo | 6-14S LiPo | 6-14S LiPo | 6-20S LiPo | 6-28S LiPo |
| BEC Output | None (OPTO) | None (OPTO) | None (OPTO) | None (OPTO) | None (OPTO) | None (OPTO) | None (OPTO) |
| Control Mode | FOC / Parameterless | FOC / Parameterless | FOC / Parameterless | FOC / Parameterless | FOC / Parameterless | FOC / Parameterless | FOC / Parameterless |
| Communication | UART & CAN (Customizable) | UART & CAN (Customizable) | UART & CAN (Customizable) | UART & CAN (Customizable) | UART & CAN (Customizable) | UART & CAN (Customizable) | UART & CAN (Customizable) |
| Firmware Upgrade | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
| Waterproof Rating | Splash-Proof | Splash-Proof | Splash-Proof | Splash-Proof | Splash-Proof | Splash-Proof | Splash-Proof |
| Power Wire | 14AWG | 14AWG | 12AWG | 10AWG | 8AWG | 8AWG | 8AWG |
| Motor Wire | 14AWG | 14AWG | 12AWG | 10AWG | 8AWG | 8AWG | 8AWG |
| Signal Cable | 30AWG JR | 30AWG JR | 30AWG JR | 26AWG Shielded | 26AWG Shielded | 26AWG Shielded | 26AWG Shielded |
| Size (L×W×H) | 61×34×19.5mm | 80×34×19.5mm | 80×34×19.5mm | 110×53×30mm | 105×58×30mm | 148×63×38mm | 188×95×39.5mm |
| Weight | 73g | 105g | 116g | 329g | 329g | 876g | 1119g |
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
>20 Million
Employee Number:
100~500
Ecer Certification：
Verified Supplier
About ZTW Shenzhen ZTW Model Science & Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and sales of brushless electronic speed controllers (ESCs) and propulsion systems for RC models, UAVs, and industrial applications. Since our founding in 2007, we hav... About ZTW Shenzhen ZTW Model Science & Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and sales of brushless electronic speed controllers (ESCs) and propulsion systems for RC models, UAVs, and industrial applications. Since our founding in 2007, we hav...
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