ALTERNATORS
12
Features
Compact design,
Dust-proof,
CW or CCW rotation fans,
Multi-function regulator with
additional functions,
Pulleys and mounting brackets
available according to customer’s
requirements
Design
3-
phase 6-pole pairs synchronous
generator with integrated rectifier and
voltage regulator,
Double insulated (G2) copper wire
of temperature class over 200°C for
stator and rotor windings,
Rectifier with power press-fit
type Zener diodes with operating
temperature Tj=215°C max,
Mono-Function Regulator (14V, 28V):
Self-Excitation Supply (D+, diode trio),
Microelectronic,
Multi-Function Regulator (14V, 28V):
Direct Excitation Supply (B+),
Microelectronic,
Metal-graphite brushes and smaller
diameter copper slip rings for higher
brushes life,
Two internal fans for CW or CCW
rotation,
Special roller type sealed bearings.
Main technical data
Type
AAK
Rated Voltage (V)
14
28
Rated Current (A)
70 - 120
40 - 60
Stator Diameter (mm)
125
Cooling
Air cooling / Two internal fans (CW or CCW)
Weight
1
(
kg)
~ 5.3
Max Permanent / Short time
Rotational Speed (RPM)
13.000 / 15.000
Voltage Regulator
Mono-Function (14V / 28V) / Multi-Function
(14
V/28V)
Power diodes Type
Press-fit Zener (35A, 50A (14V) / 50A (28V))
Over-voltage Protection
YES
Zener Voltage (V)
19-25 (14
V) / 34-40 (28V)
Electrical terminalsMono/
Multi-function regulator
(
B+, D+, W, B-) / (B+, L, W, B-, DFM), (B+, L, W, B-,
DFM, 15, S)
3
Drive end bearing /
Rear bearing dimension
17
X47X14, 17x52X17 / 17x35x10
Protection of the Slip rings and
Brushes Compartment
IP 54
Operating (Storage) Temperatures
- 40
°C to + 110°C (+ 130°C)
EMC
Approved (Regulative ECE-R10 Rev.3: 2008-08)
Options
Insulated ground (return).
Marine versions available.
AAK
compact
AAK compact
1
without pulley
3
Multi-function 28V
Applications
Agricultural and construction
machinery (Mid-range),
Gen-sets,
Commercial vehicles,
Passengers cars,
Special applications (completely
sealed version available).
High specific output power,
Over-voltage protection,
Higher protection against accidental
contact,
Lower noise level,
Long life operation,
EMC approved and certified.