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VOTOL EM50S is a compact 48-72V sinewave controller with 50A rated DC / 60A boost / 190A peak phase current, suited for 1500-2000W PMSM/BLDC motors up to 55 KPH. Dual-protocol: supports both SIAECOSYS LIN and CAN BUS displays (selectable via software). Features 120% flux weakening, IP67 waterproofing, programmable via PC. Uses VOTOL's standard EM/SV-series Wiring A architecture: 3 flush Mini-Fit Jr headers + screw terminals. Compatible with the DKD Display which speaks both protocols. Net weight 1 kg.

In brief: 48–72V controller. 50A continuous. 60A peak. Sinewave, sensored, regen, field weakening support. From $80 across 2 sellers.

Type

VESC Based
No

Electrical

Voltage Range
48–72V
Continuous Amps
50A
Peak Amps
60A
Max Phase Amps
190A

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
No
Requires Pre-charge
No

Programming

Via Display
No
Via Phone
No
Via PC
Yes

Physical

Weight
1kg
Dimensions (L×W×H)
198.0mm × 100.0mm × 72.0mm
IP Rating
IP67

Ports & Connectors

Power Input2-position Screw Terminal Block
Power
1Battery +
2Battery -
Phase Wires3-position Screw Terminal Block
Motor Phase
1Phase A
2Phase B
3Phase C
Hall Sensor/
Hall Sensor
15V Power
2None
3Ground
4Hall A
5Hall B
6Hall C
Function Harness (2×8)
Alarm / Anti-theft Harness (2×4)
Alarm Power
security
1Ground
2Alarm Power
Anti-theft Motor Lock
security
1Anti-Theft Key
2Anti-Theft Signal
3Wheel Signal
4None

Included Components

Frequently Asked Questions

Other Controllers

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