1 2 3 !
T1
5-5
1 2 3 !
T1
5-5
1 2 3 !
T1
000010
1 2 3 !
T1
5-5
1 2 3 !
T1
000010
1 2 3 !
T1
0
.
00
kVV h
1 2 3 !
T1
0
.
00
kVV h
1 2 3
100-5
1 2 3
000020
1 2 3
CT RAT
1 2 3
ires
1 2 3
20
1 2 3
5-5
1 2 3
3 ires
1 2 3 !
900-5
1 2 3 !
4 ires
C
Out 1
13
15
B2x 1xx-xxx B2x 2xx-xxx
B2x 3xx-xxx
13
15
16
17
18
C
Out 1
Out 2
Inp 3
Inp 4
I/O
(0,25 Nm)
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
7x
2x
4x
3x
xx
xx
1
1
2
2
1
1
2
2
3
3
3
4
4
Table 1
Button instruction
Button
Function
Down / Up
OK / Exit
Set
Table 2
Symbol instruction
Symbol
Action
Pr
ess this button
Pr
ess and hold button
/
Setting sequence
Scr
een is flashing
2x
Number of keystr
okes
Setting finished
1.1
Mounting all model
1
Mounting
Ph2
5,5m
m
1
2
3
13
mm
2,5m
m
RS-485
I/O
6 mm
36
37
36
37
35
RS-485
BA
C
(0,25 Nm)
1. Select a value
Select a value when the digit blinks.
2. Cancel a value
3. Change V
alue
Enter the value when the digit blinks.
Example:
Set CT Ratio 100/5
Example:
Set 10 to 20
(Default Menu)
(Default Menu)
(CT Ratios)
(Wir
es)
(Choose from list)
(No Neutral)
(With Neutral)
1.2
Connection -B24
1.3
Connection -B23
1.4
Connection -B21
2
Explanations
3
Basic settings
Table 3
Technical data
B21
B23
B24
Nominal voltage
230 V AC
3x230/400 V AC
Voltage range
220-240 V
AC
(-20% to +15%)
3x220-240 V AC (-20% to +15%)
Base curr
ent Ib
5 A
-
Rated curr
ent In
-
1 A
Refer
ence curr
ent Ir
ef
5 A
-
Maximum curr
ent
Imax
65 A
6 A
Terminal wir
e ar
ea
1.5 - 25 m
m
2
0.5 - 10
mm2
Fr
equency
50 or 60 Hz ± 5%
Accuracy Class
B (Cl. 1) and
Reactive Cl. 2
B (Cl. 1) and
Reactive Cl. 2
B (Cl. 1) or C
(Cl. 0,5 S) and
Reactive Cl. 2
Active energy
1%
0.5%, 1%
Envir
onmental
Operating
temperatur
e
-40 to +70°C
Storage temperatur
e
-40°C to +85°C
Humidity
75% yearly average, 95% on 30 days/year
Resistance to water
and dust
IP20 on terminal block without pr
otective
enclosur
e and IP51 in pr
otective enclosur
e,
accor
ding to IEC 60529.
Mechanical
envir
onment
Class M2 in accor
dance with the Measuring
Instrument Dir
ective (MID). (2004/22/EC).
Electr
omagnetic
envir
onment
Class E2 in accor
dance with the Measuring
Instrument Dir
ective (MID), (2004/22/EC).
Outputs
Curr
ent
2 - 100 mA
Voltage
5 - 240 V AC/DC.
5 - 40 V DC. For meters with only 1 output.
Pulse output
fr
equency
Pr
ogrammable: 1 - 999999 imp/kWh
Pulse length
Pr
ogrammable: 10 - 990 ms
Terminal wir
e ar
ea
0.5 - 1
mm2
Inputs
Voltage
0 - 240 V AC/DC
OFF
0 - 12 V AC/DC
ON
57 - 240 V AC/24 - 240 V DC
Min. pulse length
30 ms
Terminal wir
e ar
ea
0.5 - 1
mm2
Standar
ds
IEC 62052-11, IEC 62053-21 class 1 & 2,
IEC 62053-22 class 0,5 S, IEC 62053-23
class 2, IEC 62054-21, GB/T 17215.211- 2006, GB/T 17215.312-2008 class 1 & 2,
GB/T 17215.322-2008 class 0,5 S, GB
4208-2008, EN 50470-1, EN 50470-3
category A, B & C
Material
Polycarbonate in transpar
ent fr
ont glass.
Glass r
einfor
ced polycarbonate in bottom
case and upper case. Polycarbonate in
terminal cover
.
B21/B23
B24
B24
B23/B24
Pulse output
Pulse 1
Quantity : Active Energy Import
Fr
equency: 100 Imp/kWh
Length: 100 ms
Output: 1
Pulse 2
Quantity : Active Energy Export
Fr
equency: 100 Imp/kWh
Length: 100 ms
Output: 2
Wir
es
W
ires: 4 W
ires
(3 Phases & Neutral)
Pulse output
Pulse 1
Quantity : Active Energy Import
Fr
equency: 10 Imp/kWh
Length: 100 ms
Output: 1
Pulse 2
Quantity : Active Energy Export
Fr
equency: 10 Imp/kWh
Length: 100 ms
Output: 2
CT Ratios
CT Ratios: 5/5
S1
S2
S1
S2
S1
S2
69
3
4
L1
L2
L3
L1
L2
L3
P1
P2
11
1
2
5
7
8
N
N
3 x
≤ 10 A
P1
P2
P1
P2
(1,2 Nm)
S1
S2
S1
S2
9
L1
L2
L3
L1
L2
L3
P1
P2
1
2
5
7
8
3 x
≤ 10 A
P1
P2
3
(1,2 Nm)
L1
L2
L3
N
69
3
11
47
1
L1
L2
L3
N
3 x
≤ 65 A
(2,0 Nm)
L1
L2
L3
69
3
47
1
L1
L2
L3
3 x
≤ 65 A
(2,0 Nm)
L N
1
3
5
L N
1 x
≤ 65 A
(2,0 Nm)
1 2 3 !
T1
0
.
00
kVV h
1 2 3 !
T1
LENGTh
1 2 3 !
T1
100
1 2 3 !
T1
100
1 2 3 !
T1
100
1 2 3 !
T1
OUTPUT
1 2 3 !
T1
1 OUT
1 2 3 !
T1
1 OUT
1 2 3 !
T1
1 OUT
1 2 3
PULSE
1 2 3
QUANT
1 2 3 !
T1
ACt 1
kVV h
1 2 3 !
T1
ACt 1
kVV h
1 2 3 !
T1
ACt 1
kVV h
1 2 3 !
T1
frequen
1 2 3 !
T1
10
kVV
1 2 3 !
T1
000010
kVV
1 2 3 !
T1
10
kVV
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
SET
2x
7x
2x
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
B21/B23/B24 INST
ALLA
TION MANUAL
2CMC485019M0201 May 2016 Rev B
Contact us
ABB AB
P.O Box 1005
SE-611 29 NYKÖPING, Sweden
+46(0)21-32 50 00
www
.abb.com /low-voltage
© Copyright 2016 ABB AB. All rights r
eserved.
Specification subject to change without notice.
Av
er
tis
se
m
en
t! I
ns
tal
la
tio
n u
ni
qu
em
en
t p
ar
de
s p
er
so
nn
es
qu
ali
fié
es
e
n
él
ect
ro
te
ch
ni
qu
e.
Ad
ve
rt
en
ci
a!
L
a i
ns
tal
ac
ió
n de
be
rá
s
er
re
al
iz
ad
a
ún
ic
am
en
te
p
or
e
le
ct
ric
is
tas
e
sp
ec
ial
iz
ad
os
.
W
ar
ni
ng
! I
ns
tal
la
tio
n b
y p
er
so
n w
ith
e
le
ct
ro
te
ch
nic
al
ex
pe
rt
ise
o
nl
y.
W
ar
nu
ng
! I
ns
tal
la
tio
n n
ur
d
ur
ch
e
le
kt
ro
te
ch
ni
sh
e F
ach
kr
af
t.
Av
ve
rt
en
za
l! F
ar
e i
ns
ta
lla
re s
ol
o d
a u
n e
le
ttr
ic
is
ta q
ua
lifi
ca
to
.
3.2
3.4 B24 - CT Ratios
3.3 B23/B24 - Wir
es
3.5 Change / Select values
3.2 B21/B23/B24 - Pulse output
3.1 Default settings
PZ
2
5.5 mm
