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Reactive power compensation device
Home> Products> Reactive power compensation device

BSMJ Series Self-healing Low Voltage Shunt Capacitors

Key Features

  • Compact & Lightweight:The compact design significantly reduces overall weight to just 1/4–1/5 of traditional products, making transportation, installation, and maintenance easier.
  • Low Power Loss:Designed for high energy efficiency, with active power loss below 1.2 W/kvar, helping reduce operating costs and improve system efficiency.
  • Excellent Self-Healing Performance:The capacitor features excellent self-healing capability. In the event of partial dielectric breakdown caused by temporary overvoltage or overcurrent, the affected area can rapidly recover, helping maintain reliable and continuous operation.
  • Enhanced Safety Protection:Equipped with a built-in discharge resistor and overpressure protection device to improve operational safety and provide additional protection against abnormal operating conditions.
  • Leak-Free Design:The sealed construction helps prevent leakage, ensuring clean and reliable operation while reducing maintenance requirements.
Product Description

Product Overview

BSMJ Series Self-healing Low Voltage Shunt Capacitors are applicable to AC power systems with AC 50Hz (60Hz) and rated voltage up to 1000V, for improving power factor, reducing reactive power loss and enhancing voltage quality.

Main technical parameters

Rated Voltage: 0.23~1.14kV

Rated Capacity: 1~60kvar

Rated Frequency: 50Hz or 60Hz

Capacitance Tolerance: -3~5%

Active Power Loss: ≤1.2W/kvar

Voltage Withstand Between Poles: 2.15Un for 5 seconds

Maximum Permissible Overvoltage: 1.1Un

Maximum Permissible Overcurrent: 1.3In

Self-discharge Characteristic: The residual voltage shall drop from √2Un to below 50V within 3 minutes after the capacitor is de-energized.

Compliant Standards: GB/T12747, IEC60831

Technical Parameter Table

Type BSMJ

Rated Voltage

(kV)

Rated Capacity

(kvar)

Rated capaci

tance(μF)

Rated current

(Three/Single phase)(A)

Hight(mm)

Drawing No.

0.45-5-3(1)

0.45

5

78.6

6.4/11.1

125

Terminal M6 as shown in Figure 1

0.45-8-3(1)

0.45

8

125.7

10.3/17.8

125

Terminal M6 as shown in Figure 1

0.45-10-3(1)

0.45

10

157

12.8/22.2

125

Terminal M6 as shown in Figure 1

0.45-12-3(1)

0.45

12

188.6

15.4/26.7

180

Terminal M6 as shown in Figure 1

0.45-14-3(1)

0.45

14

220

18/31

180

Terminal M6 as shown in Figure 1

0.45-15-3(1)

0.45

15

235.8

19.3/33.3

180

Terminal M6 as shown in Figure 1

0.45-16-3(1)

0.45

16

251

20.5/35.5

180

Terminal M6 as shown in Figure 1

0.45-20-3(1)

0.45

20

314

25.7/44.4

220

Terminal M6 as shown in Figure 1

0.45-25-3(1)

0.45

25

393

32.1/55.6

230

Terminal M6 as shown in Figure 2

0.45-30-3(1)

0.45

30

471

38.5/66.7

230

Terminal M8 as shown in Figure 2

0.45-40-3(1)

0.45

40

628

51.3/88.9

290

Terminal M8 as shown in Figure 2

0.45-50-3(1)

0.45

50

786

64.1/111.1

330

Terminal M8 as shown in Figure 2

0.45-60-3(1)

0.45

60

943

77/133.3

230

Terminal M10 as shown in Figure 3

0.48-5-3(1)110.5

0.48

5

69

6.0/10.4

125

Terminal M6 as shown in Figure 1

0.48-8-3(1)

0.48

8

110.5

9.6/16.7

125

Terminal M6 as shown in Figure 1

0.48-10-3(1)

0.48

10

138

12.0/20.8

125

Terminal M6 as shown in Figure 1

0.48-15-3(1)

0.48

15

207

18.0/31.2

180

Terminal M6 as shown in Figure 1

0.48-20-3(1)

0.48

20

276.3

24/41.7

210

Terminal M6 as shown in Figure 1

0.48-25-3(1)

0.48

25

345.4

30.7/52.1

230

Terminal M6 as shown in Figure 2

0.48-30-3(1)

0.48

30

414.5

36.1/62.5

255

Terminal M8 as shown in Figure 2

0.48-40-3(1)

0.48

40

552.6

48.1/83.3

330

Terminal M8 as shown in Figure 2

0.48-50-3(1)

0.48

50

690.7

60.1/104.2

230

Terminal M10 as shown in Figure 3

0.48-60-3(1)

0.48

60

829

72.1/125

230

Terminal M10 as shown in Figure 3

0.525-5-3(1)

0.525

5

58

5.5/10

125

Terminal M6 as shown in Figure 1

0.525-8-3(1)

0.525

8

92

8.8/15

125

Terminal M6 as shown in Figure 1 Terminal M6 as shown in Figure 1

0.525-10-3(1)

0.525

10

115

11.0/19

180

Terminal M6 as shown in Figure 1

0.525-15-3(1)

0.525

15

173

16.5/29

180

Terminal M6 as shown in Figure 1

0.525-20-3(1)

0.525

20

231

22.0/38

230

Terminal M6 as shown in Figure 2

0.525-25-3(1)

0.525

25

289

27.5/48

230

Terminal M8 as shown in Figure 2

0.525-30-3(1)

0.525

30

346

33.0/57

270

Terminal M8 as shown in Figure 2

0.525-40-3(1)

0.525

40

462

44.0/76

270

Terminal M8 as shown in Figure 2

0.525-50-3(1)

0.525

50

577

55.0/95

230

Terminal M10 as shown in Figure 3

0.525-60-3(1)

0.525

60

693

66.0/114

230

Terminal M10 as shown in Figure 3

0.25-5-3YN

0.25

5

254

6.7

125

Terminal M6 as shown in Figure 4

0.25-10-3YN

0.25

10

509

13.3

180

Terminal M6 as shown in Figure 4

0.25-15-3YN

0.25

15

764

20

230

Terminal M8 as shown in Figure 5

0.25-20-3YN

0.25

20

1018

26.7

255

Terminal M8 as shown in Figure 5

0.25-25-3YN

0.25

25

1273

33.3

290

Terminal M8 as shown in Figure 5

0.25-30-3YN

0.25

30

1528

40

330

Terminal M8 as shown in Figure 5

0.25-40-3YN

0.25

40

2037.18

53.3

230

Terminal M10 as shown in Figure 6

Wiring Drawing

7.png

Service Conditions

Temperature range: -25°C to 50°C

Altitude: ≤2000 m

Humidity range: ≤90% at 35°C

No harmful gases and vapors, conductive or explosive dust, and no violent vibration at the installation site.

When two or more capacitors are installed, the spacing between capacitors shall not be less than 30 mm. Effective heat dissipation measures shall be adopted in hot summer.

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