Product Details
Spektrum Firma 85A Smart ESC for surface vehicles is waterproof and delivers power and intelligence all-in-one. Without additional sensors or modules, they feed battery and ESC telemetry data straight to your radio in real time, all over one connection. Now includes a compatible 3300Kv Firma Brushless Sensorless motor when you purchase the combo
Product Features
Product Specifications
| Battery Input Lead | 12AWG 5.1″ (130mm) |
| Outer Diameter | 1.41″ (36 mm) |
| Product Width | 2.1″ (53 mm) |
| Technology | Smart |
| Maximum Continuous Current | 33A |
| Motor Type | Brushless – Sensorless |
| Adjustable Timing | No |
| Auto Cutoff | Yes |
| BEC Continous Current | 4A |
| Low-Voltage Cutoff Programmable | Yes |
| Maximum Burst Current | 550A |
| Output | 430W(2S), 780W(3S) |
| Number of Poles | 4 |
| Product Weight | 0.255 |
| Shaft Diameter | 0.125″ (3 mm) |
| Water-Resistant | Yes |
| BEC | Yes |
| BEC Maximum Burst Current | 8A |
| BEC Voltage | 6V/7.4V |
| Drive Type | Forward/Brake/Reverse |
| Product Length | 1.7″ (43 mm) |
| Forward | Yes |
| BEC Type | Switch Mode |
| Motor Design | Inrunner |
| Efficiency | 82% |
| Connector Type | IC3 |
| Reverse | Yes |
| Wire Gauge | 12 AWG |
| Input Voltage | 2-3S LiPo, do not exceed 3S (11.1V) with thtis motor |
| Motor Output Lead | 12AWG 5.1 in (130mm) |
| Product Height | 1.3″ (33 mm) |
| RPM/Volt (Kv) | 38,400 @ 12V |
| Time Delay Brake | Yes |
| Battery Type | LiPo (3.7V per cell) |
| Brakes | Yes |
| Programmable | Yes |



























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