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On Load Bypass Switches — Buy On Load Bypass Switches, Price , Photo On Load Bypass Switches, from Crystal Electrical, Co. Electrotechnical products on Allbiz India
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We manufacture On Load Bypass Switches (Open Execution) that are extensively used in IT companies where UPS and Servo stabilizers provides main source of supply. During emergency normal supply is provided to services without disturbing any installation. In addition, the maintenance service of UPS is also provided without breakdown of service. Our range of unique modular construction switches encompasses of three On Load Switch Disconnectors. Designed in conformation with IEC: 947-3, IEC: 664 and IS: 13947 Part (I&III) - 1993 quality standards, these finds usage in low voltage distribution circuits and motor circuits, where one load is to be bypassed from the other load in circuit.


  • While breaking the circuit, guaranteed sufficient air sectioning clearance.
  • Protection against over currents & short circuit fault of high rupturing capacity upto 80 KA.
  • Compact & Standardised sizes for range 63A-800Aideal for switch board manufacturers.
  • Strong endurance & resistance to heat (Tropicalised). Phase barriers provided between each phase.
  • All current carrying parts are electrolytic special grade copper and with silver plated.
  • Flag indicator for three stable positions (l-0-ll) & possible switching from one source to the other, onload, thereby fulfilling the role of switching device with interlocking protection for two modes of supply, one from electricity board & other from standby source i.e. generator and providing back up.
  • Auxiliary contacts up to 2 NO & 2NCforsignalisation& interlocking.
  • Large terminal area suitable for aluminum/copper busbar and cables.
  • The moulded body's raw material is glass fiber reinforced polyester (SMC), having high mechanical & dielectric strength.
  • Strong & ergonomic operating handle with door interlock & pad lock facility.
  • Utilization category-AC 23 A.


Range & Frame Size

Four Pole 415 V AC 50 Hz.

  • Size 1 ............63A, 125A
  • Size 2 ............200A, 250A, 320A.
  • Size 3 ............400A, 630A.


  • Open Execution
  • In thick Steel Sheet Enclosure.
  • On Load Bypass Switches
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