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Agilent Technologies G1946-80060
Agilent Technologies G1946-80060
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Mitsubishi Electric GU-D08
Mitsubishi Electric GU-D08

GHISALBA GHOPC-410BAAV66870

Product Name Single-Pole High-Current Bypass Contactor

Product Description The GHOPC-410BAAV66870 is a single-pole heavy-duty contactor from GHISALBA, purpose-built for bypassing thyristors in soft starters and pre-charge resistors in inverter systems. It features extremely low contact resistance to minimize conduction losses and heat generation during continuous operation.

Category:
Description

Technical Specifications

  • Rated current: 410 A
  • Rated voltage: 690 V AC
  • Pole configuration: 1 pole
  • Coil voltage: 196 V DC / 230 V AC (integrated bridge rectifier)
  • Coil protection: Built-in varistor for transient overvoltage suppression
  • Material: UL-approved thermoplastic housing, silver alloy main contacts
  • Compliance: RoHS, CE

Functional Features

  • Low internal contact resistance reduces energy loss and operating temperature
  • Optimized for continuous current conduction in bypass circuits
  • Integrated varistor ensures fast contact opening and coil surge protection
  • Standard connection terminals; custom terminal configurations available
  • Robust mechanical construction for long electrical and mechanical service life

Application Scenarios

  • Soft starter thyristor bypass circuits
  • Inverter DC link capacitor pre-charge systems
  • Capacitor bank switching and power factor correction
  • Industrial power distribution feeders
  • Heavy industrial motor control centers

Installation Requirements

  • Mount on a rigid panel or busbar structure
  • Torque power terminals to manufacturer-specified values
  • Verify coil voltage matches the control supply before energizing
  • Maintain minimum clearance for heat dissipation and insulation

Operating Notes

  • Do not exceed rated current and voltage under any operating conditions
  • Inspect main contacts periodically for wear, pitting or oxidation
  • Ensure proper protective grounding for personnel safety
  • Not certified for use in explosive atmospheres without additional protection
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