Toshiba HV6CS-MLD - Manual

- 1 - General Safety Information DO NOT attempt to install, operate, maintain, or dispose of this equipment until you have read and understood all of the product safety information and directions that are contained in this manual. Safety Alert Symbol The Safety Alert Symbol is comprised of an equila...

- 2 - Equipment Warning Labels DO NOT attempt to install, operate, perform maintenance, or dispose of this equipment until you have read and understood all of the product labels and user directions that are contained in this manual. Warning labels that are attached to the equipment will include the ...

- 3 - Equipment Inspection • Upon receipt of the equipment, inspect the packaging and equipment for shipping damage. • Carefully unpack the equipment and check for parts that may have been damaged during shipping, missing parts, or concealed damage. If any discrepancies are discovered, it should be ...

- 4 - Operating the VCB Failure to take the opportunity to discover abnormalities can result in injuries and equipment damage. Always check to make sure that the ON and OFF indicators are correct before operating the equipment. To avoid damaging the equipment, do not close the circuit when the unit ...

- 5 - During Use Installation location To prevent damage to the VCB or performance degradation, do not store or install it in the following locations: * Places whose ambient temperature is outside the range of -5  C to 40  C (23  F to 104  F). This may result in damage or performance degradation...

- 6 - Special environmental conditions When using the VCB in special environments, check the points in Table 1 below. Table 1 Points to Check When Using the Circuit Breaker in Special Environments Special environmental condition Practical example Check points Contamination * Large amounts of dust. *...

- 7 - Applicable standards pertaining to switching surges Consult Table 2 for the standards applicable to VCB switching surges. Table 2 Applicable Standards Pertaining to Switching Surges Circuit breaker type Load type Rotating machine * 1 Dry type transformer (insulation resistance below class A) O...

- 8 - 1. Part Names Figure 1 Drawout Type Circuit Breaker ON-OFF INDICATOR SHAFT FOR MANUAL CHARGING HANDLE INTERLOCK LEVER SPRING INDICATOR CLOSE LEVER TRIP LEVER COUNTER DRAWOUT HANDLES SECONDARY DISCONNECTS VCB DRAWOUTCELL

- 9 - 2. From Receipt to Storage 2.1 Receipt and Unpacking Each VCB unit is carefully tested and inspected prior to shipment, so it can be used as soon as it has been unpacked. However, just in case something should be amiss, you should check the following: (1) When the box is delivered, check to ma...

- 13 - 3. Installation Make sure the location satisfied the requirements listed under Storage and Installation Location (page 3) and check the dimensions using the diagrams in other catalogs or external view diagrams and panel cut diagram. Prior to installation, the maximum fault current capacity of...

- 16 - 4. Operation Failure to take the opportunity to discover abnormalities can result in injuries and equipment damage. Always check to make sure that the ON and OFF indicators are correct before operating the equipment. 4.1 Manual Operation To avoid damaging the equipment, do not close the circu...

- 19 - 4.2 Electrical Operation Electrical operations are performed as shown in the flow diagram below. Motor begins operating ・ Springs begin tightening Circuit breaker OPEN Control power applied Motor begins operating ・ Spring begins tightening Springs Charged ・ Motor stops Spring taut ・ Motor sto...

- 22 - 5. Main Circuit Connections and Disconnecting/Removing the Circuit Breaker from the Cell 5.1 Connecting the Main Circuit (disconnected position to connected position) Perform the steps shown in Figures 20 through 21 in that order. To avoid damaging the equipment, do not connect or disconnect ...

- 24 - 4) Corrective actions or adjustments 5) Date of work 6.1 During Maintenance/Inspections Before inspecting the electrical circuits, take the following measures to prevent electric shock: 1) After opening circuit for the VCB, open the disconnect switch on the power source side to place the main...

- 25 - Table 7 Inspection Frequency Type of inspection Inspection frequency Patrol Inspection Once every 6 months Periodic Inspection Normal Once every 1 to 3 years or every 3,000 operations Detailed Once every 6 years Unscheduled Inspection As needed 6.4 Periodic Inspection Checkpoints Table 8 Peri...

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