BA 9043/001 3AC 50/60HZ 400V - DOLD & SOEHNE

Monitoring technique

Undervoltage relay BA 9043, AA 9943

varimeter

•According to IEC 255, EN 60 255, VDE 0435 part 303

•3-phase

•For nominal voltage of 3 AC 100 / 57 to 690 / 400 V

•Measures arithmetic mean value

•Adjustable operate and release value

•For 3p3w or 3p4w systems

•BA 9043 optionally with adjustable time delay

•Closed circuit operation

•LED indicator for operation and state of contact

•Insensitive to harmonics

•Frequency up to 400 Hz

•Width 45 mm

Function diagram

Undervoltage detection in 3 phase systems

Approvals and marking

Application

Circuit diagram

BA 9043, BA 9043/002 BA 9043/001, BA9043/003

AA 9943 AA 9943/001

Indicators

upper LED: on, when voltage connected

(only BA 9043)

lower LED: on, when output contact activated

Technical data

Input

Nominal voltage UN

BA 9043, BA 9043/002

AA 9943: 3/N AC 100/57 V; 230/127 V; 400/230 V

415/240 V; 440/254 V; 500/290 V

50 ... 400 Hz

BA 9043, BA 9043/002: 3 AC 50 / 60 Hz 400 / 690 V

BA 9043/001, BA 9043/003

AA 9943/001: 3 AC 100 V; 230 V; 400 V; 415 V, 440 V;

500 V; 50 ... 400 Hz

BA 9043/001, BA 9043/003: 3 AC 50 / 60 Hz 690 V

Max. overload

BA 9043: 1,2 UN continuously

AA 9943: 1,1 UN continuously

Nominal consumption: AC 4 VA

Nominal frequency: 50 ... 400 Hz

Frequency range: ± 5 %

Temperature influence: < 0,05 % / K

Setting ranges

Response value: 0,85 ... 1,05 UN, infinite variable with

upper potentiometer

Hysteresis: 0,75 ... 0,95 of operate value

Setting accuracy: ≤ ± 10 %

Switching delay tM:see diagram switching delay

Time delay tv:infinite variable from 0,5 ... 10 sec for

BA 9043/002, BA 9043/003

Between 0,4 and 0,6 UN the contacts

fall back according to the diagram

without additional delay

BA 9043, AA 9943 / 04.09.03 d

BA 9043 AA 9943

0221539

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.

BA9043

BA9043/001

AA9943

BA9043/002

BA9043/003

11-14

11-12

3 phases L1, L2, L3

0,4-0,6UN

operate value

hysteresis

M6864_a

Notes

In units with time delay the delay is only active at > 0,4 UN. At < 0,4 UN

the rela y switches without dela y.

11 21L2

12 22

14 24 N

M7520

2111

2212 2414

11 21L2

12 22

14 24

M7521

2111

2212 2414

Continuous current limit curve

A = Devices mounted with 2 cm distance

B = Devices mounted without distance

Diagr am switching dela y

Switching delay t M:

When the voltage changes fast on the measur ing input, the arithmetic

mean value can only adjust after a short delay.

Example:

F = F = = 1,26

U applied = 190 V

U setting = 240 V

according to diagr am:

tMon = approx . 800 ms

tMoff = appro x. 100 ms

Output

Contacts

BA 9043: 2 changeover contacts

AA 9943.11: 1 changeover contact

AA 9943.12: 2 changeover contacts

Thermal current Ith:6 A; see diagramm

Continuous current limit curve

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 IEC/EN 60 947-5-1

to AC 15 at 3 A, AC 230 V: 3 x 10 5 switching cycles

Short circuit strength

max. fuse rating: 4 A gL IEC/EN 60 947-5-1

Mechanical life: > 30 x 106 switching cycles

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: 1 kV IEC/EN 61 000-4-5

between wire and ground: 2 kV IEC/EN 61 000-4-5

HF wire guided: 10 V IEC/EN 61 000-4-6

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: Thermoplastic with V0 behaviour

according to UL subject 94

Vibration resistance: Amplitude 0,35 mm IEC/EN 60 068-2-6

frequency 10 ... 55 Hz

Climate resistance: 20 / 060 / 04 IEC/EN 60 068-1

Terminal designation: DIN EN 50 005

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: Flat terminals with self-lifting

clamping piece IEC/EN 60 999-1

Mounting: DIN rail IEC/EN 60 715

Weight

BA 9043: 310 g

AA 9943: 300 g

Dimensions

Width x height x depth

BA 9043: 45 x 73 x 132 mm

AA 9943: 45 x 77 x 127 mm

Technical data

Accessories

AA 9943:

K 70-34 Cov er

Characteristics

U applied

U setting 240 V

190 V

t [s]

1,0

0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1,0 1,1 1,2

1,2

1,4

1,6

1,8

2,0

M6866_a

x off

xon

Variants

AA 9943/001: without neutral

AA 9943/175: earth quake proof

BA 9043/001: without neutral

BA 9043/002: with neutral, adjustable time dela y

tv = 0,5 ... 10 sec

BA 9043/003: without neutral, adjustab le time delay

tv = 0,5 ... 10 sec

Standard type

BA 9043 3/N AC 400 / 230 V 50 ... 400 Hz

Article number: 0039676 stock item

•f or 3p4w systems

•Nominal voltage UN: 3/N A C 400 / 230 V

•Output: 2 changeov er contacts

•Width: 45 mm

Variants

Ordering example f or Variants

BA 9043 /_ _ _ 3/N AC 400/230 V 50 ... 400 Hz

Nominal frequency

Nominal voltage

Variant, if required

Type

AA 9943 .11 /_ _ _ 3/N AC 400/230 V 50 ... 400 Hz

Nominal frequency

Nominal voltage

Variant, if required

Contact

Type

I (A)

ambient temperature

contact current

M6865_a

-20 0 204060

T (°C)

Specification for tender for BA 9043

Undervoltage relay according to IEC 255, VDE 0435 for nominal voltage

of 3 AC 100/57 to 500/290 V. Adjustable operate and release value, for

3p4w systems

Width 45 mm

Type BA 9043

Manufactured by E. DOLD & SÖHNE KG

Undervoltage relay according to IEC 255, VDE 0435 for nominal voltage

of 3 AC 100/57 to 500/290 V. Adjustable operate and release value, for

3p4w systems, adjustable time delay up to 10 s.

Width 45 mm

Type BA 9043/002

Manufactured by E. DOLD & SÖHNE KG

Undervoltage relay according to IEC 255, VDE 0435 for nominal voltage

of 3 AC 100/57 to 500/290 V. Adjustable operate and release value, for

3p3w systems

Width 45 mm

Type BA 9043/001

Manufactured by E. DOLD & SÖHNE KG

Undervoltage relay according to IEC 255, VDE 0435 for nominal voltage

of 3 AC 100/57 to 500/290 V. Adjustable operate and release value, for

3p3w systems, adjustable time delay up to 10 s.

Width 45 mm

Type BA 9043/003

Manufactured by E. DOLD & SÖHNE KG

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