Drive Unit; Advantages; Scope Of Application; Naming Rule - BAFANG MM G31.250 User Manual

1. Drive Unit

1.1 Advantages

 The controller ensures system safety with the fed-back torque signals and dual speed
signals (pedal assist signals and external bicycle speed-detecting signals);

With a high starting torque and a maximum torque of no smaller than 80N.m, it is
especially suitable for climbing;
 High efficiency, low power consumption, and longer riding distance.
 Low noise and smooth operation.

1.2 Scope of Application

The drive unit can work properly in the following environmental conditions:
 Ambient temperature: (- 20- + 55) ℃;
 Relative humidity: (15-95) % RH;
Note: The product can't work normally if there is any major corrosive gas, any medium that
affects the product's electrical insulation properties or any high-intensity magnetic field.

1.3 Naming Rule

Naming Rule:
The nameplate is engraved on the shell, showing such information as follows:
(1)MM G33.250─ Name of the drive unit;
(2)1401─ Date of production, January 2014 in this example;
0001─ Production serial number, ranging from 0000 to 9999; 0001 is the production
serial number of the first motor.
(3)36V─ Rated motor voltage;
(4)250W─ Rated motor power.
MM G33.350 14010001
(1) 36V 250W
(3)
(2)
(4)
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