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Air Circuit Breakers
BT2 series
Type number nomenclature
6
Type number nomenclature
BT2-2500P / 32500E
Basic type
Frame size
1600, 2000, 2500, 4000, 6300
Installation
P: Fixed type
X: Draw-out type
Number of poles
3: 3 poles
4: 4 poles
Rated current
1600AF: 0200, 0400, 0630, 0800, 1000, 1250, 1600
2000AF: 0630, 0800, 1000, 1250, 1600, 2000
2500AF: 1250, 1600, 2000, 2500
4000AF: 2000, 25000, 2900, 3200, 3600, 4000
6300AF: 4000, 5000, 6300
CE version
P25
P26
OCR type or Additional accessories
• OCR type (note: M25 is standard), See page 9
Type
L25
Code
L5A
Remarks
M25
H26
– (None)
H6A
P5A
P5B
P5C
P5D
P6A
P6B
P6C
P6D w harmonic analysis function w communication function w alarm of current-imbalance w harmonic analysis function w communication function w alarm of current-imbalance
• Accessories
Type
LED indicator of Voltage
Load-monitoring function
ZSI function
(Zone selective interlock function)
Under voltage release
Code
C1
C2
C3
Remarks
Switching OFF lock device
Mechanical interlock device
(Two sets of ACB's)
Mechanical interlock device
(Three sets of ACB's)
Current transformer for neutral line N connected externally
N3
N4
N6
MB4
N1
N1
N2
D1
R1
R2
Q1
Q2
Q3
MW1
MB1
MW2
MB2
MB3
Instananeous
Time delay
One lock and one key
Two lock and one key
Three lock and two key
Steel lock interlock
Link rod interlock (0,6m)
Cable type interlock
Pattern one of rod interlock
Pattern two of rod interlock
Pattern three of rod interlock
1600AF L
・M・H Controller
1600AF P Controller
2000AF
2500AF
4000AF
6300AF
Electrical mechanism for the indication of draw out socket's position
Separator plate between phases B3
B4
RFS
3P
4P
Electrical module for indication of ready-for-switching-on
"Button" Locking device
Counter
Communication function choice of accessories
DC power supply module
AC power supply module
Automatic transfer switch (ATS)
（included automatic controller, connector and 1.8m cable)
PD2
PD3
PA1
PA2
AS1
AS2
L
CM
S1
S2
S3
S4
PD1
AS3
Components of draw-out socket communication module
Ready-for-switching-on signal
Under-voltage signal
Fault-trip signal
24VDC
110VDC
220VDC
230VAC
400VAC
R type
S type
F type
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