ALTERNATORS
10
AAK
Features
•
Heavy-duty design,
•
Dust-proof,
•
CW or CCW rotation fan,
•
Multi-function regulator with
additional functions (14V),
•
Safety fan for hand contact
protection available,
•
Over-voltage protection,
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 mounted
on inner or outer side of rear bracket,
•
Mono-Function Regulator (14V, 28V):
•
Self-Excitation Supply (D+, diode trio),
•
Thick-Film Hybrid,
•
Multi-Function Regulator (14V):
•
Direct Excitation Supply (B+),
•
Microelectronic,
•
Metal-graphite brushes and copper
slip rings,
•
External CW or CCW fan,
•
Special roller type sealed bearings.
AAK
Main technical data
Type
AAK
Rated Voltage (V)
14
28
Rated Current (A)
45 - 120
35 - 65
Stator Diameter (mm)
125
Cooling
Air cooling / External fan (CW or CCW)
Weight
1
(
kg)
4.5 – 5.1
Max Permanent / Short time
Rotational Speed (RPM)
13.000 / 15.000
Voltage Regulator
Mono-Function (14V / 28V) / Multi-Function (14V)
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)
2
Drive end bearing /
Rear bearing dimension
17
X47X14, 17x52X17 / 12x32x10
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.
•
Long life operation,
•
Better protection of alternator
sub-assemblies in harsh environment,
•
Additional protective covers available
for mounting an additional tube for
clean air intake,
•
EMC approved and certified.
1
without pulley
2
available also older typeMulti-function regulator B+, B-, L, EX (Thick-FilmHybrid technology)
Applications
•
Agricultural and construction
machinery (Mid-range),
•
Gen-sets,
•
Commercial vehicles,
•
Older passengers cars,
•
Special applications (air-cooled
engines, alternators for heating
devices).