Onan MJA Series Service Manual page 4

.~
IONAN'MODElNUMBERING
-SYSTEM'
YYPICAlMODEl: SMJB.1R/96B
MOOU-
"SMJB~l
R /968
TiTTiT~
S.EENOTE- 1 2 3 4 5 6 7
NOTE
1 - Plant Capacity in Kilowatts -For Example.: 3 -3KW
30.5 -3. 5KW
5 - 5EW
;-:
2 -Plant Ser ies
3 - 60 Cycle
Electrical .output
No. of
Code
Volts Phase
Wires
1
120 1
2
2
240 1
2
3-*
120/240
1
3
4
120/2.08 1
3
~5 240
3
3
5D (delta)
120/240
3 4
50 added to code designates 50 cycle i.e. 1 becomes 51.
4-Type ·of Starting-R- RemoteE -Electric
M-
Manual
'S - Diagonal Line - Separates Basic Model from Specification Number
and Letter.
6 -Specification Number - Denotes Customer Requested Deviations
from Standard Model.
'1-Specifica'tif)fl Letter - Advances .with ONANchanges.
*
-,5M:JB -- Some models have generators reconnectib1e for either
code 1, 2, or 3; these models are designated 3C.
- '705 MJB &
MJC --AlICode .3 models are reconnectible for either
code 1, .2, or 3, See the plant operators manual