VOTOL EM300S
VOTOL EM300S is a high-power 48-72V sinewave controller with 300A rated DC / 550A boost / 700A peak phase (≤39.6kW max power). 36-MOSFET design suited for 8-10kW PMSM/BLDC motors — QS 8000-10000W hub motors and QS165 V3 10kW mid-drive. Features 200% flux weakening, IP67 waterproofing, ≥92% max efficiency, hall sensored. Uses VOTOL's New Version architecture: TE Ampseal 23-pin main signal connector + screw terminals for battery/phase. Dual-protocol: supports SIAECOSYS LIN and CAN BUS displays. Programmable via PC with the V2 CAN USB cable (shared with EM150-2/EM200-2/EM260/EM350S/EM550).</description> <parameter name="adminNotes">Source: AliExpress DUN TECH Store + Dun Electric Drive Store listings. Authoritative specs: - Rated DC 300A / Boost DC 550A / Peak Phase 700A - 48-72V / Max Power 39,600W / 36 FETs - Matched motor: 8-10kW - Max Efficiency 92% / IP67 / 200% flux weakening - Weight 2350g / Size 220×141×68mm Per Dun Electric Drive USB cable listing, EM300S uses the 'V2 CAN' USB cable alongside EM150-2/EM200-2/EM260/EM350S/EM550 — confirmed New Version Ampseal 23-pin architecture. Dual-protocol (LIN + CAN) like other New Version controllers.
In brief: 48–72V controller. 300A continuous. 550A peak. Sinewave, sensored, regen, field weakening support. From $431 across 2 sellers.
Type
- VESC Based
- No
Electrical
- Voltage Range
- 48–72V
- Continuous Amps
- 300A
- Peak Amps
- 550A
- Max Phase Amps
- 700A
Motor Features
- Regen Support
- Yes
- Drive Mode
- Sinewave
- Sensor Mode
- Sensored
- Field Weakening
- Yes
- Self-Learning
- No
- Dual Motor Support
- No
- Controller Pairing
- No
Inputs
- Throttle Support
- Yes
- PAS Support
- No
Display
- Supports Display
- Yes
- Requires Display
- No
- Protocols
- SiAECOSYS ONE-LIN, SiAECOSYS CAN BUS
Power Switch
- Supports Power Switch
- Yes
- Requires Power Switch
- Yes
- Requires Pre-charge
- Yes
Programming
- Via Display
- No
- Via Phone
- No
- Via PC
- Yes
Physical
- Weight
- 2.35kg
- Dimensions (L×W×H)
- 220.0mm × 141.0mm × 68.0mm
