ACDelco 26 SI User Manual
PAGE
1G-287 4/96
26-SI ALTERNATOR
FEATURES
302.5 mm
198.0 mm
SPECIFICATIONS:
MAXIMUM SPEED:
Continuous: 10,000 rpm
Intermittent: 12,000 rpm
Intermittent: 12,000 rpm
AMBIENT TEMPERATURE LIMITS:
-40°C to +85°C
(-40°F to + 185°F)
(-40°F to + 185°F)
TRANSIENT VOLTAGE LIMITS:
100V - 300 ms (12-volt)
250V - 300 ms (24-volt)
250V - 300 ms (24-volt)
POLARITY:
Negative Ground
ROTATION:
Clockwise or Counterclockwise
WEIGHT:
27.6 lbs (12.5 kg)
MOUNTING SPAN:
SAE Standard J180
Built-In Voltage Regulator
Solid-State Integrated Circuit
Flat Temperature-Compensated
Low Parasitic Draw
Low Turn-On Speed
Improved RFI Suppression
Flat Temperature-Compensated
Low Parasitic Draw
Low Turn-On Speed
Improved RFI Suppression
Load Dump Protection
Brushless Construction
Stationary Field Coil
No Brushes or Slip Rings
Stationary Field Coil
No Brushes or Slip Rings
“
Inside-Cooled” System
Baffled Air Inlet
Sealed Live Parts
Prevents entry of large or
foreign material
Sealed Live Parts
Prevents entry of large or
foreign material
Corrosion Protection
Sealed Rectifier-End Assembly
Brass Output Terminal Hardware
Brass Output Terminal Hardware
Applications
Line-Haul Diesel Trucks
Large Commercial Diesel Engines
Harsh Environments
Heavy Belt Loads and Vibrations
Large Commercial Diesel Engines
Harsh Environments
Heavy Belt Loads and Vibrations
Air Inlet
Baffles
Relay
Terminal
Output
Terminal
Sealed Regulator and
Rectifier Compartment
Extra-Large
Grease Reservoir
Stationary
Field Coil
Die Cast
Aluminum
Fan
Heavy-Duty
Sealed
Ball Bearing
Heavy-Duty
Roller Bearing
Rectifiers
26-5010
26-5006