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Air Circuit Breaker

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Air Circuit Breaker
Air Circuit Breaker
Price And Quantity
  • as per requirement
  • 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
    • 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
    • 1 Days
    • Yes
    • All India
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      Contact Us

      A-7, Opp. Vaishali Nagar Police Station, Vaishali Nagar, Jaipur, Rajasthan, 302021, India
      Phone :+918045479989