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VOTOL EM550 is VOTOL's flagship high-power 48-72V sinewave controller with 550A rated DC / 1000A boost / 1700A peak phase current (≤72kW max power). 60-72 MOSFET design for 14-18kW PMSM/BLDC motors — targeting high-performance e-moto / motorcycle conversions with QS205 / QS273-class hub motors or QS165 mid-drives. Features 200% flux weakening, IP67 waterproofing, ≥92% max efficiency. Uses VOTOL's New Version architecture: TE Ampseal 23-pin main signal connector + screw terminals for battery/phase. Dual-protocol: SIAECOSYS LIN and CAN BUS. Programmable via PC with V2 CAN USB cable.

In brief: 48–72V controller. 550A continuous. 1000A peak. Sinewave, dual mode, regen, field weakening support. From $606 across 3 sellers.

Where to Find

Prices tracked across 4 sellers

* Shipping estimates are for the contiguous US and may vary by location.

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Specifications

Type

VESC Based
No
Cooling
Air

Electrical

Voltage Range
48–72V
Continuous Amps
550A
Peak Amps
1000A
Max Phase Amps
1700A

Motor Features

Regen Support
Yes
Drive Mode
Sinewave
Sensor Mode
Dual Mode
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
3.6 kg
Dimensions (L×W×H)
272mm × 154mm × 75.5mm
IP Rating
IP67

Ports & Connectors

Power Input
Power
1Battery +
2Battery -
Phase Wires
Motor Phase
1Phase A
2Phase B
3Phase C
Main Signal Connector (Ampseal 23-pin)

No port details available

Included Components

Frequently Asked Questions

Alternative Controllers

Other Controllers

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