QuietTorque™ 20.0 48v Dual PMAC Motor System

Description

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The QuietTorque™ 20.0 provides 48Vdc electric propulsion with high sustained output and is ideal for cruisers and day sailors alike.Typically, the QuietTorque™ 20.0 would replace a 25 to 40hp diesel engine. By using dual PMAC (Permanent Magnet AC) motors, Electric Yacht can produce this powerful, compact, Plug-n-Play, light weight, air cooled system and stay within the safe low voltage standard. Typical battery size is 400Ah at 48Vdc. These systems can be installed by a competent boat owner using simple tools and the easy to mount Electric Yacht system. To be prudent, we recommend that a certified marine electric technician review the completed system. Each system is engineered for your boat to maximize the speed and range of the boat. The System is backed by Electric Yacht’s three-year limited warranty.

Specifications

Motor type: 2 PMAC* Brushless
Voltage: 48 Vdc
Current: 400 Adc
Max power input: 20.0 kW
Weight: 135 pounds
Frame: Anodized Aluminum
*Permanent magnet Alternating Current

Standard Features

Designed for hybrid installations using a generator or renewable power sources while underway

• Current sensor monitors charging current providing for accurate SOC readings
• Automatic thermal protection prevents over heating while maintaining maximum possible power under all operating conditions
• Auxiliary cooling fan provides for high sustained output even when sharing space with a diesel generator

Motor Mounts Adjustable Mounts to current engine stringers

Throttle Anodized Al waterproof throttle with key & neutral lock

Digital Display

• State of Charge (SOC)
• Voltage, Current, Power and motor RPM
• Program battery type and size
• Time to Discharge based on current power consumption, updated in real time
• Programmable regeneration and max power
• Monitor charge and discharge current and power plus motor and motor controller temperature
• Current sensor for monitoring charging current, ensuring accurate SOC calculation when running a generator or renewable energy sources

4″ flange coupler (Hurth/Borg Warner)

Power Switch Blue Sea two position switch

Relay 500amp vacuum relay

Fuse Class-T fuse & holder

QT20 Product Data
QT20 Product Drawing

 WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

 WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov.