Overview
The BrotherHobby Returner 3-6S 32Bit AM32 60A (4-in-1) ESC V1 is a 4-in-1 electronic speed controller designed for 3S to 6S builds. It adopts a high-performance 32-bit ARM microprocessor with a running frequency of up to 120MHz and supports PWM and DSHOT signal protocols.
Key Features
- High-performance 32-bit ARM microprocessor (up to 120MHz)
- 6-layer board design with 2OZ copper thickness
- 32-bit main control chip paired with a 6288 driver chip
- TVS transient suppression diode
- Includes 1000uF/35V high-frequency low resistance filtering capacitor
- Imported SMT filter capacitors for improved filtering and reduced circuit interference
- Using 24 high-power MOSFET
- Equipped with a current detector / current meter
- Independent solder pads for easier soldering
Specifications
| Product | 3-6S 32Bit 60A(4IN1) ESC V1 |
| Target firmware | AT32F421_BRH |
| Computer end ground station link | https://esc-configurator.com/ |
| Parameter tuning software | Esc_Config_Tool_1.82 |
| Continuous current | 60A*4 |
| Max Current | 70A(10S) |
| TVS | Yes |
| External capacitor | 1000uF/35V High frequency low resistance capacitor |
| ESC treaty | PWM/DSHOT 300/600/1200/2400 |
| Input Power | 3S-6S |
| Output voltage | VBAT |
| Current meter | Yes |
| Mounting pattern | 30.5x30.5mm (hole diameter 4mm) |
| Dimensions | 52mm x 44mm x 6mm |
| Weigh | 13.5g |
Interface Definition
- GND: The ground wire is the negative pole of the power supply
- VCC: Battery voltage detection signal output interface, connected to flight control battery voltage detection port, output specification is battery voltage.
- M1: Input interface for throttle signal, corresponding to No.1 ESC.
- M2: Input interface for throttle signal, corresponding to No.2 ESC.
- M3: Input interface for throttle signal, corresponding to No.3 ESC.
- M4: Input interface for throttle signal, corresponding to No.4 ESC.
- CUR: Current detection signal output interface, connected to the flight control current detection port.
- NC: No defined pins, no input/output.
What’s Included
- 3-6S 32Bit 60A(4IN1) ESC V1 Electronic Speed Controller x1
- M3*8mm silicone case x5
- XT60 power line x1
- SH 1.0mm 8pin 30mm flat cable x1
- 1000uF/35V High frequency low resistance capacitor x1
Applications
- 3S-6S multirotor / quad builds using a 30.5x30.5mm mounting pattern
- Flight controller + 4-in-1 ESC stacks requiring VBAT output and current detection
For wiring or firmware setup questions, contact support@rcdrone.top or visit https://rcdrone.top/.
Details

The 3–6S 32-bit 60A 4-in-1 ESC V1 uses a 32-bit ARM microprocessor rated up to 120MHz for reliable multirotor power delivery.

The 6-layer PCB design with 2oz copper thickness helps increase current-carrying capacity for a cleaner, more robust quad build.

The Returner 4-in-1 ESC uses a 32-bit main control chip paired with a 6288 driver chip for faster processing and operating speed.

The Returner 4-in-1 ESC includes a TVS transient suppression diode and a 1000uF/35V low-impedance filtering capacitor to help smooth power and reduce high-frequency noise.

The BrotherHobby Returner 4-in-1 ESC board uses SMT filter capacitors and an onboard current detector to help keep power delivery cleaner in compact builds.

The Returner 4-in-1 ESC uses 24 high-power MOSFETs to improve power output while reducing temperature rise and boosting response speed.

The built-in current detector monitors motor current and helps limit overload to protect the system during flight.

The Returner 4-in-1 ESC uses clearly labeled motor pads and GND/voltage/current pins to simplify wiring a 3–6S quad build.

The Returner 4-in-1 ESC includes a 1000uF/35V low-ESR capacitor, 8-pin flat cable, XT60 power lead, and M3 silicone screw set for a 30.5×30.5mm stack.
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