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 UN: 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 % UN 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 tv 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.
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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 UN: 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 tv: 0 ... 5 s without phase sequence detection with phase sequence detection without time delay with adjustable time delay tv: 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
105 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 mm2 solid or 2 x 1,5 mm2 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 tv 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
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