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Home » Products » Low Voltage Switchgears » Air Circuit Breaker

Air Circuit Breaker

Air Circuit Breaker
Air Circuit Breaker
Product Code : 16
Brand Name : SOURABH ENGINEERS & CONSULTANT
Price And Quantity
  • Minimum Order Quantity
  • as per requirement
  • Unit of Measure
  • Piece/Pieces
Product Description

Air Circuit Breaker

Air Circuit Breakers meeting complex requirements of electrical systems of today and tomorrow ensuring reliability which can offer un-interrupted service throughout the product life undergoing all the stresses that system encounters. Apart from meeting all the traditional requirement of power circuit breakers ( high breaking capacity, 3pole & 4pole, cool running at higher temperature, selectivity, absolutely no maintenance, draw out option), W Nmaster now offers total solution for modern day requirement for measurement, analysis and communications, all in optimized size.W Nmaster circuit breakers use the latest technology to enhance performance and safety. Compact yet offering various connections for ease of installation, snap on site fit accessories, enhanced life and intuitive operation makes them a very user friendly range of circuit breaker for any application.

Technical Specification:

Characteristics as per IEC 60947-2 / Frame size

WM-A

WM-B

Type

WM06

WM08

WM10

WM12

WM16

WM20

WM20

WM25

WM32

WM40

Rated current (A)

In

At 40 oC / 50 oC

630

800

1000

1250

1600

2000

2000

2500

3200

4000

CT Rating (A)

400, 630

400, 630, 800

400, 630, 800, 1000

400, 630, 1000, 1250

400, 630, 1000, 1250, 1600

400, 630, 1000, 1250, 1600, 2000

2000

2000, 2500

2000, 2500, 3200

2000, 2500, 3200, 4000

Rating of 4th Pole (A)

100%

100%

Number of poles

3/4

3/4

Rated insulation voltage (V)

Ui

1000

1000

Impulse withstand voltage (kV)

Uimp

12

12

Rated operational voltage (V AC 50/60 Hz)

Ue

690

690

Suitability for isolation

IEC 60947-2

IEC 60947-2

Degree of pollution

3

3

Ultimate breaking capacity (kA rms)

Icu

380/400/415 V AC

50kA

65kA

500V

40kA

55kA

550V

35kA

50kA

690V

30kA

40kA

Rated service breaking capacity (kA rms)

Ics

% Icu

100%

100%

Utilisation category

B

B

Rated short-time withstand current (kA rms)

Icw


50kA

65kA

V AC 50/60 Hz

1s

105kA

143kA

Rated making capacity (kA peak)

Icm

380/400/415 V AC

84kA

121kA

V AC 50/60 Hz

500 V

74kA

105kA

500 V

63kA

84kA

690 V

30ms

30ms

Opening time (ms)

40ms

40ms

Closing time (ms)

20000

15000

Service life

Mechanical with maintenance

10000

8000

7000

5000

Electrical with maintenance

60

60

60

60

30

30

20

20

20

10

Motor power

380/415 V (kW)











Weight (kgs)

Fixed

3 Pole

52.40

54.40

56.40

67.90

4 Pole

62.40

64.40

66.40

77.90

Drawout

3 Pole

92.30

94.30

96.30

131.20

4 Pole

102.30

104.30

106.30

141.20

Dimension (mm) (H x W x D)

Fixed

3 Pole

398 x 332 x 386

398 x 488 x 386

4 Pole

398 x 432 x 386

398 x 618 x 386

Drawout

3 Pole

459 x 416 x 512

459 x 510 x 512

4 Pole

459 x 516 x 512

459 x 640 x 512

Trade Information
  • Payment Terms
  • Cash Against Delivery (CAD), Cash on Delivery (COD), Cash Advance (CA), Cash in Advance (CID), Cheque, Days after Acceptance (DA), Delivery Point (DP), Letter of Credit (L/C), Letter of Credit at Sight (Sight L/C), Telegraphic Transfer (T/T), Western Union, Paypal, Others
  • Delivery Time
  • as per requirement Days
  • Sample Available
  • Yes
  • Main Domestic Market
  • All India

SOURABH ENGINEERS & CONSULTANT