Monitoring technique
Asymmetry relay BA 9040, MK 9040N
varimeter
·
According to IEC 255, EN 60 255, VDE 0435 part 303
·
Recognition of
- voltage asymmetry
- phase failure
- voltage feedback
- optionally with phase sequence recognition
·
Optionally with adjustable response delay
·
Insensitive against
- symmetric harmonics up to K-factor K 20 %
·
2 LED displays for power supply and state of contact
·
BA 9040:
width 45 mm
MK 9040N: width 22,5 mm
BA 9040
Function diagram
phase
sequence
0221538
MK 9040N
Approvals and marking
Asym. [%]
100
*
Canada / USA
asymmetry
phase failure
* only for BA 9040 (see variants)
setting value
t
Applications
Monitoring three-phase mains for voltage asymmetry, phase failure or
incorrect phase sequence, e.g. in elevators, escalators, crane systems
etc.
Indications
upper LED:
lower LED:
t
U
L1
U
L2
U
L3
t
on when supply voltage connected
on when output relay energized
Technical data
Input
t
BA9040 11-14
MK9040N 11-12
11-14
11-12
11-14
11-12
11-14
11-12
tv
tv
M7084_a
/001
/010
tv
tv
Nomianl voltage U
N
:
Voltage range:
Nominal consumption:
BA 9040:
MK 9040N:
Nominal frequency:
Frequency range:
Temperature influence:
Frequency influence:
Resistance of harmonics
symmetric:
Setting ranges
Setting range:
Repeat accuracy:
Release ratio:
Voltage feedback
recognition:
3 AC 400 V
0,8 ... 1,1 U
N
approx. 4,8 VA
7 VA
50 / 60 Hz
45 ... 65 Hz
< 0,05 % / K
< 0,02 % / Hz
K-factor K 20 %
/011
5 ... 15 % voltage asymmetry
£
0,5 %
< 4 % U
N
up to 100 % - setting value,
e.g. when setting value = 5 %
asymmetry, 100 % - 5 % = 95 %
Recognition of voltage feedback
up to 95 %
0,5 ... 5 s
0,5 ... 10 s
Circuit diagram
L1 L2 L3
L1 L2 L3 11 21
L1
11
21
L1
11
21
Time delay t
v
BA 9040:
MK 9040N:
Output
Contacts
Response/release time:
BA 9040:
MK 9040N:
Thermal current I
th
:
L3
L2
12
14
22
24
L3
L2
12 14
22 24
M8482_a
12 14 22 24
11 12 14
M7353_c
2 changeover contacts
£
1 s /
£
250 ms
£
1,5 s /
£
250 ms
6 A (see continuous current limit
curve)
21 22 24
BA 9040.12
MK 9040N.12
All technical data in this list relate to the state at the moment of edition. We reserve the right
for technical improvements and changes at any time.
1
BA 9040, MK 9040N / 19.11.03 d
Technical data
Switching capacity
to AC 15
NO contact:
NC contact:
Electrical life:
to AC 15 at 3 A, AC 230 V:
Permissible switching
frequency:
Short circuit strength
max. fuse rating:
General data
Operating mode:
Temperature range:
Clearance and creepage
distances
overvoltage category /
contamination level:
EMC
Electrostatic discharge:
HF irradiation:
Fast transients:
Surge voltages
between
wires for power supply:
between wire and ground:
Interference suppression:
Degree of protection:
Housing:
Vibration resistance:
Climate resistance:
Wire connection:
Standard type
BA 9040.12/001 3 AC 400 V 50/60 Hz
Article number:
0043764
·
With phase sequence detection
·
Without operate delay
·
Output:
2 changeover contacts
·
Nominal voltage U
N
:
3 AC 400 V
·
Width:
45 mm
MK 9040N.12/001 3AC 400 V 50/60 Hz
Article number:
0055712
·
With phase sequence detection
·
Without operate delay
·
Output:
2 changeover contacts
·
Nominal voltage U
N
:
3 AC 400 V
·
Width:
22,5 mm
Variants
BA 9040.12/60:
BA 9040.12/0 _ 0:
BA 9040.12/0 _ 1:
BA 9040.12/00 _ :
BA 9040.12/01 _ :
CSA/UL approval
without phase sequence detection
with phase sequence detection
without time delay
with adjustable time delay
t
v
: 0 ... 5 s
without phase sequence detection
with phase sequence detection
without time delay
with adjustable time delay
t
v
: 0 ... 10 s
stock item
3 A / AC 230 V
1 A / AC 230 V
IEC/EN 60 947-5-1
IEC/EN 60 947-5-1
10
5
switching cycles IEC/EN 60 947-5-1
6 000 switching cycles / h
4 A gL
IEC/EN 60 947-5-1
stock item
Continuous operation
- 20 ... + 60
°C
4 kV / 2
8 kV (air)
10 V/m
2 kV
IEC 60 664-1
IEC/EN 61 000-4-2
IEC/EN 61 000-4-3
IEC/EN 61 000-4-4
2 kV
IEC/EN 61 000-4-5
4 kV
IEC/EN 61 000-4-5
Limit value class B
EN 55 011
Housing: IP 40
IEC/EN 60 529
Terminals: IP 20
IEC/EN 60 529
Thermoplast with V0 behaviour
according to UL subject 94
Frequency 10 ... 55 Hz,
Amplitude 0,35 mm IEC/EN 60 068-2-6
20 / 060 / 04
IEC/EN 60 068-1
2 x 2,5 mm
2
solid or
2 x 1,5 mm
2
stranded wire with sleeve
DIN 46 228-1/-2/-3/-4
Flat terminals with self-lifting
clamping piece
IEC/EN 60 999-1
Box terminal with wire protection
DIN rail
IEC/EN 60 715
325 g
MK
MK
MK
MK
9040N.12/0 _ 0:
9040N.12/0 _ 1:
9040N.12/00 _:
9040N.12/01 _:
Ordering example for variants
MK 9040N .12
/0 _ _
3 AC 400 V 50 / 60 Hz
Nominal frequency
Nominal voltage
On request BA 9040:
3 AC 230 V
3 AC 440 V
3 AC 660 V
MK 9040N:
3 AC 400 V
0: without phase
sequence recognition
1: with phase
sequence recognition
0: without t
v
1: with t
v
Contacts
Type
Characteristics
Wire fixing:
BA 9040:
MK 9040N:
Mounting:
Weight:
Dimensions
Width x height x depth:
BA 9040:
MK 9040N:
45 x 74 x 133 mm
22,5 x 90 x 100 mm
Continuous current limit curve
E. DOLD & SÖHNE KG • D-78114 Furtwangen
e-mail dold-relays@t-online.de • internet http://www.dold.com
• Postf. 1251 • Tel. +49 7723 654 0 • Telefax +49 7723 654 356
2
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