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  • Open Chassis Low Voltage Soft Starters

    Industrial Motor Controls and Drives Webstore

MX2-Based Open Chassis Soft Starters

RB2 Series Open Chassis Soft Starters combine Benshaw’s high performance MX2 motor control technology with a rugged, compact, integral bypass RB Series power section.

  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 27A max)
    $2,423.00
    Extended Part No: RB2-1-S-027A-11C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 10HP, 240V / 20HP, 480V / 25HP, 575V Heavy Duty: 10HP, 240V / 20HP, 480V / 25HP, 575V Severe Duty: 7.5HP, 240V / 15HP, 480V / 20HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 40A max)
    $2,541.00
    Extended Part No: RB2-1-S-040A-11C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 15HP, 240V / 30HP, 480V / 40HP, 575V Heavy Duty: 15HP, 240V / 30HP, 480V / 40HP, 575V Severe Duty: 10HP, 240V / 30HP, 480V / 40HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 52A max)
    $2,645.00
    Extended Part No: RB2-1-S-052A-12C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 20HP, 230V / 40HP, 460V / 50HP, 575V Heavy Duty: 20HP, 230V / 40HP, 460V / 50HP, 575V Severe Duty: 15HP, 230V / 30HP, 460V / 40HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 65A max)
    $2,721.00
    Extended Part No: RB2-1-S-065A-12C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 25HP, 230V / 50HP, 460V / 60HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 77A max)
    $2,844.00
    Extended Part No: RB2-1-S-077A-13C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 30HP, 230V / 60HP, 460V / 75HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 96A max)
    $3,700.00
    Extended Part No: RB2-1-S-096A-13C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 40HP, 230V / 75HP, 460V / 100HP, 575V Heavy Duty: 40HP, 230V / 75HP, 460V / 100HP, 575V Severe Duty: 30HP, 230V / 60HP, 460V / 75HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 125A max)
    $4,169.00
    Extended Part No: RB2-1-S-125A-14C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 50HP, 230V / 100HP, 460V / 125HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 156A max)
    $4,864.00
    Extended Part No: RB2-1-S-156A-14C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 60HP, 230V / 125HP, 460V / 150HP, 575V Heavy Duty: 50HP, 230V / 100HP, 460V / 125HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 240A max)
    $6,194.00
    Extended Part No: RB2-1-S-240A-15C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 100HP, 240V / 200HP, 480V / 250HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 180A max)
    $6,507.00
    Extended Part No: RB2-1-S-180A-15C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 75HP, 240V / 150HP, 480V / 200HP, 575V Heavy Duty: 50HP, 240V / 100HP, 480V / 125HP, 575V Severe Duty: 40HP, 240V / 75HP, 480V / 100HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 302A max)
    $6,816.00
    Extended Part No: RB2-1-S-302A-15C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 125HP, 240V / 250HP, 480V / 300HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 361A max)
    $7,986.00
    Extended Part No: RB2-1-S-361A-16C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 150HP, 240V / 300HP, 480V / 400HP, 575V Heavy Duty: 100HP, 240V / 200HP, 480V / 250HP, 575V Severe Duty: 75HP, 240V / 150HP, 480V / 200HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 414A max)
    $8,736.00
    Extended Part No: RB2-1-S-414A-17C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 175HP, 240V / 350HP, 480V / 450HP, 575V Heavy Duty: 150HP, 240V / 300HP, 480V / 400HP, 575V Severe Duty: 125HP, 240V / 250HP, 480V / 300HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 477A max)
    $9,541.00
    Extended Part No: RB2-1-S-477A-17C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 200HP, 240V / 400HP, 480V / 500HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 515A max)
    $10,223.00
    Extended Part No: RB2-1-S-515A-17C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 225HP, 240V / 450HP, 480V / 500HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 590A max)
    $10,905.00
    Extended Part No: RB2-1-S-590A-18C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 250HP, 240V / 500HP, 480V / 600HP, 575V Heavy Duty: 200HP, 240V / 450HP, 480V / 500HP, 575V Severe Duty: 200HP, 240V / 450HP, 480V / 500HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 720A max)
    $12,267.00
    Extended Part No: RB2-1-S-720A-19C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 300HP, 240V / 600HP, 480V / 700HP, 575V Heavy Duty: 250HP, 240V / 500HP, 480V / 600HP, 575V
  • RB Series Open Chassis Soft Starters
    RB2 Open Chassis Soft Starter with MX2 Technology (240-575V – 838A max)
    $14,313.00
    Extended Part No: RB2-1-S-838-A20C Run duty integral bypass, open chassis soft starter with Benshaw MX2 Technology Standard Duty: 350HP, 240V / 700HP, 480V / 800HP, 575V

MX3-Based Open Chassis Soft Starters

Benshaw RB3 Series Open Chassis Soft Starters combine advanced MX3 motor control technology with Benshaw’s rugged, compact, integral bypass RB Series power section.

  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 27A max)
    $3,613.00
    Extended Part No: RB3-1-S-027A-11C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 40A max)
    $3,649.00
    Extended Part No: RB3-1-S-040A-11C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 52A max)
    $3,780.00
    Extended Part No: RB3-1-S-052A-12C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 65A max)
    $3,836.00
    Extended Part No: RB3-1-S-065A-12C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 77A max)
    $4,245.00
    Extended Part No: RB3-1-S-077A-13C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 96A max)
    $4,956.00
    Extended Part No: RB3-1-S-096A-13C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 125A max)
    $5,312.00
    Extended Part No: RB3-1-S-125A-14C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 156A max)
    $6,066.00
    Extended Part No: RB3-1-S-156A-14C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 240A max)
    $7,156.00
    Extended Part No: RB3-1-S-240A-15C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 100HP, 240V / 200HP, 480V / 250HP, 575V
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 180A max)
    $7,436.00
    Extended Part No: RB3-1-S-180A-15C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 75HP, 240V / 150HP, 480V / 200HP, 575V Heavy Duty: 50HP, 240V / 100HP, 480V / 125HP, 575V Severe Duty: 40HP, 240V / 75HP, 480V / 100HP, 575V
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 302A max)
    $7,800.00
    Extended Part No: RB3-1-S-302A-15C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 125HP, 240V / 250HP, 480V / 300HP, 575V
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 361A max)
    $7,800.00
    Extended Part No: RB3-1-S-361A-16C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 150HP, 240V / 300HP, 480V / 400HP, 575V Heavy Duty: 100HP, 240V / 200HP, 480V / 250HP, 575V Severe Duty: 75HP, 240V / 150HP, 480V / 200HP, 575V
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 414A max)
    $9,474.00
    Extended Part No: RB3-1-S-414A-17C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 175HP, 240V / 350HP, 480V / 450HP, 575V Heavy Duty: 150HP, 240V / 300HP, 480V / 400HP, 575V Severe Duty: 125HP, 240V / 250HP, 480V / 300HP, 575V
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 477A max)
    $10,223.00
    Extended Part No: RB3-1-S-477A-17C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 200HP, 240V / 400HP, 480V / 500HP, 575V
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 515A max)
    $10,905.00
    Extended Part No: RB3-1-S-515A-17C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 225HP, 240V / 450HP, 480V / 500HP, 575V
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 590A max)
    $11,858.00
    Extended Part No: RB3-1-S-590A-18C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 250HP, 240V / 500HP, 480V / 600HP, 575V Heavy Duty: 200HP, 240V / 450HP, 480V / 500HP, 575V Severe Duty: 200HP, 240V / 450HP, 480V / 500HP, 575V
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 720A max)
    $12,949.00
    Extended Part No: RB3-1-S-720A-19C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 300HP, 240V / 600HP, 480V / 700HP, 575V Heavy Duty: 250HP, 240V / 500HP, 480V / 600HP, 575V
  • RB Series Open Chassis Soft Starters
    RB3 Open Chassis Soft Starter with MX3 Technology (240-575V – 838A max)
    $15,179.00
    Extended Part No: RB3-1-S-838A-20C Run duty integral bypass, open chassis soft starter with Benshaw MX3 technology Standard Duty: 350HP, 240V / 700HP, 480V / 800HP, 575V

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