DOLD BA 9040, MK 9040N User Manual
Monitoring technique
Asymmetry relay BA 9040, MK 9040N
varimeter
0221538
· 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
Function diagram
Asym. [%]
100
setting value
U
L1
U
L2
U
L3
11-14
BA9040
MK9040N
11-12
11-14
/001
11-12
11-14
/010
11-12
11-14
/011
11-12
Circuit diagram
L1 L2 11L3 21
L1
L2L3
1412 2422
BA 9040.12
BA 9040
asymmetry phase failure
t
v
t
v
11 21
14 2412 22
M7353_c
MK 9040N.12
MK 9040N
t
v
t
v
L1
L2
L2L3 2212 2414
11L31412
22 24
21
phase
sequence
M7084_a
t
t
t
t
2111L1
M8482_a
Approvals and marking
*
Canada / USA
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: on when supply voltage connected
lower LED: on when output relay energized
Technical data
Input
Nomianl voltage UN: 3 AC 400 V
Voltage range: 0,8 ... 1,1 U
Nominal consumption:
BA 9040: approx. 4,8 VA
MK 9040N: 7 VA
Nominal frequency: 50 / 60 Hz
Frequency range: 45 ... 65 Hz
Temperature influence: < 0,05 % / K
Frequency influence: < 0,02 % / Hz
Resistance of harmonics
symmetric: K-factor K 20 %
Setting ranges
Setting range: 5 ... 15 % voltage asymmetry
Repeat accuracy: £ 0,5 %
Release ratio: < 4 % U
Voltage feedback
recognition: up to 100 % - setting value,
Time delay t
BA 9040: 0,5 ... 5 s
v
MK 9040N: 0,5 ... 10 s
Output
Contacts 2 changeover contacts
Response/release time:
BA 9040: £ 1 s / £ 250 ms
MK 9040N: £ 1,5 s / £ 250 ms
Thermal current Ith: 6 A (see continuous current limit
* only for BA 9040 (see variants)
N
N
e.g. when setting value = 5 %
asymmetry, 100 % - 5 % = 95 %
Recognition of voltage feedback
up to 95 %
curve)
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: 3 A / AC 230 V IEC/EN 60 947-5-1
NC contact: 1 A / AC 230 V IEC/EN 60 947-5-1
Electrical life:
to AC 15 at 3 A, AC 230 V: 105 switching cycles IEC/EN 60 947-5-1
Permissible switching
frequency: 6 000 switching cycles / h
Short circuit strength
max. fuse rating: 4 A gL IEC/EN 60 947-5-1
General data
Operating mode: Continuous operation
Temperature range: - 20 ... + 60 °C
Clearance and creepage
distances
overvoltage category /
contamination level: 4 kV / 2 IEC 60 664-1
EMC
Electrostatic discharge: 8 kV (air) IEC/EN 61 000-4-2
HF irradiation: 10 V/m IEC/EN 61 000-4-3
Fast transients: 2 kV IEC/EN 61 000-4-4
Surge voltages
between
wires for power supply: 2 kV IEC/EN 61 000-4-5
between wire and ground: 4 kV IEC/EN 61 000-4-5
Interference suppression: Limit value class B EN 55 011
Degree of protection: Housing: IP 40 IEC/EN 60 529
Terminals: IP 20 IEC/EN 60 529
Housing: Thermoplast with V0 behaviour
according to UL subject 94
Vibration resistance: Frequency 10 ... 55 Hz,
Amplitude 0,35 mm IEC/EN 60 068-2-6
Climate resistance: 20 / 060 / 04 IEC/EN 60 068-1
Wire connection: 2 x 2,5 mm2 solid or
2 x 1,5 mm2 stranded wire with sleeve
DIN 46 228-1/-2/-3/-4
Wire fixing:
BA 9040: Flat terminals with self-lifting
clamping piece IEC/EN 60 999-1
MK 9040N: Box terminal with wire protection
Mounting: DIN rail IEC/EN 60 715
Weight: 325 g
Dimensions
Width x height x depth:
BA 9040: 45 x 74 x 133 mm
MK 9040N: 22,5 x 90 x 100 mm
Standard type
BA 9040.12/001 3 AC 400 V 50/60 Hz
Article number: 0043764 stock item
· With phase sequence detection
· Without operate delay
· Output: 2 changeover contacts
· Nominal voltage UN: 3 AC 400 V
· Width: 45 mm
MK 9040N.12/001 3AC 400 V 50/60 Hz
Article number: 0055712 stock item
· With phase sequence detection
· Without operate delay
· Output: 2 changeover contacts
· Nominal voltage UN: 3 AC 400 V
· Width: 22,5 mm
Variants
BA 9040.12/60: CSA/UL approval
BA 9040.12/0 _ 0: without phase sequence detection
BA 9040.12/0 _ 1: with phase sequence detection
BA 9040.12/00 _ : without time delay
BA 9040.12/01 _ : with adjustable time delay
tv: 0 ... 5 s
MK 9040N.12/0 _ 0: without phase sequence detection
MK 9040N.12/0 _ 1: with phase sequence detection
MK 9040N.12/00 _: without time delay
MK 9040N.12/01 _: with adjustable time delay
tv: 0 ... 10 s
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
1: with t
Contacts
v
v
Type
E. DOLD & SÖHNE KG • D-78114 Furtwangen
e-mail dold-relays
@t-online.de • internet http://www.dold.com
Characteristics
Continuous current limit curve
•
Postf. 1251 • Tel. +49 7723 654 0 • Telefax +49 7723 654 356
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