Datasheet > BA9040

BA9040

更新时间： 2024-11-29 06:41:23

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描述
Monitoring technique

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BA9040 数据手册

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

MK 9040N

Function diagram

Approvals and marking

phase

sequence

Asym. [%]

asymmetry

phase failure

100

Canada / USA

* only for BA 9040 (see variants)

Applications

setting value

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:

on when supply voltage connected

on when output relay energized

Technical data

Input

Nomianl voltage U_N:

Voltage range:

Nominal consumption:

BA 9040:

3 AC 400 V

0,8 ... 1,1 U_N

11-14

BA9040

MK9040N

11-12

approx. 4,8 VA

7 VA

50 / 60 Hz

45 ... 65 Hz

< 0,05 % / K

< 0,02 % / Hz

MK 9040N:

11-14

11-12

/001

Nominal frequency:

Frequency range:

Temperature influence:

Frequency influence:

Resistance of harmonics

symmetric:

11-14

11-12

/010

/011

K-factor K 20 %

11-14

11-12

Setting ranges

M7084_a

Setting range:

Repeat accuracy:

Release ratio:

Voltage feedback

recognition:

5 ... 15 % voltage asymmetry

£ 0,5 %

< 4 % U_N

Circuit diagram

up to 100 % - setting value,

e.g. when setting value = 5 %

asymmetry, 100 % - 5 % = 95 %

Recognition of voltage feedback

up to 95 %

L1 L2 L3

L1 L2 L3 11 21

Time delay t_v

BA 9040:

0,5 ... 5 s

MK 9040N:

0,5 ... 10 s

12 14 22 24

Output

11 12 14

21 22 24

12 14 22 24

Contacts

Response/release time:

BA 9040:

2 changeover contacts

M8482_a

M7353_c

£ 1 s / £ 250 ms

MK 9040N:

Thermal current I_th:

£ 1,5 s / £ 250 ms

6 A (see continuous current limit

curve)

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.

BA 9040, MK 9040N / 19.11.03 d

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