RECEIVING, HANDING AND STORAGE

Safety Aspects

The Vacuum Circuit Breaker are designed for Indoor Application with all required safety features.

Before carrying out any installation, operation and maintenance, the service person should be fully acquainted with the relevant safety regulations covering this equipment as well as inside of the substation.

Check that the personnel operating the apparatus have this instruction manual with them.

We recommend that installation and commissioning should be carried out by qualified and authorized personnel.

Ensure compliance of local (site) legal and safety norms.

Unloading & Transportation

The breaker is normally installed in breaker compartment of the switchgear panel for shipment. However if shipped as on independent unit, the Vacuum Circuit Breaker are dispatched in appropriate packaging for the prevailing conditions, e.g.

Unloading of VCB shall be done as per Instruction stickers given on VCB unit.

VCB shall be unloaded with sufficient capacity of crane or Hydra. If unloading is done with wire ropes, fit lifting ropes of appropriate load capacity with shackles and ensure that lifting hooks are locked properly.

Transport VCB Unit upright only. Carry out loading operations only when it has been ensured that all precautionary measures to protect personnel and materials have been taken and using a

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Manual trolley jack

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Never tilt the crates over as shown below. Non Compliance with this stipulation may damage the equipment. Always keep it upright.

Unpacking & Inspection

Generally, each VCB is supplied along with complete Packing List :

  • 1. VCB spring charging handle
  • 2. VCB racking handle
  • 3. Emergency trip rod
  • 4. Upon arrival at site, the consignment shall be unpacked within one (1) week and checked against the packing list or the delivery note.
  • 5. While unpacking wooden cases, top must be removed first.
  • 6. It is advisable to locate the VCB Unit at the sub-station before unpacking. (THE EQUIPMENT SHOULD BE EXAMINED IMMEDIATELY AFTER THE RECEIPT.
  • 7 In case of shortage in supply or damage to the items, report the same within two (2) weeks, accompanied with a full description/ photographs of the missing/damaged parts. Any delay in making the claims will not be entertained.

Handling Procedure

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• Packaging for air and sea transport: using two slings supporting 500kg each and lifting device.

• Minimum height given on the below diagram shall be respected.

Storage Procedure

The VCB Unit be stored in a clean, dry and well- ventilated environment.

The storage area must shelter the equipment from deterioration by agents like.

  • Water
  • Water Vapour
  • Salt Laden air
  • Pollution of any type
  • Micro-organisms
  • • Store VCB Unit standing upright.
  • • Do not stack VCB Unit.
  • • VCB Unit are not weather-proof and should not be left outdoor where rain and moisture may cause irreparable damages.
  • • For temporary storage for less than two (2) weeks, cover the VCB Unit with plastic sheets to protect it against ingress of dust.