Panasonic AV-HS450N Multi-Format Live Switcher User Manual
Summary
This comprehensive manual provides expert guidance for handling HV6AS Vacuum Circuit Breakers, designed for fixed-type 4.8 and 7.2kV electrical applications. It meticulously covers all critical aspects of installation, safe operation practices, and routine maintenance procedures. This documentation is exclusively intended for qualified electrical operators and trained service professionals who must adhere to national codes (like NEC) and established safety protocols. Using this guide ensures the proper setup and reliable service of high-voltage protective electrical equipment.
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Document: GF07Z301 Rev. 1
INSTRUCTION MANUAL INSTALLATION - OPERATION - MAINTENANCE
HV6AS Vacuum Circuit Breakers – Fixed Type 4.8 & 7.2k V Voltage Classes
APPLICABLE MODEL NUMBERS:
(Manual Operation Types)
HV6AS-U HV6AS-L
(Motor Operation Types)
HV6AS-MU HV6AS-ML
Issued: 2/2000 Supercedes First Issue Dated 2/99.
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
Page Summary Contents For Panasonic AV-HS450N Multi-Format Live Switcher User Manual
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Document: GF07Z301 Rev. 1 INSTRUCTION MANUAL INSTALLATION - OPERATION - MAINTENANCE HV6AS Vacuum Circuit Breakers – Fixed Type 4.8 & 7.2k V Voltage Classes APPLICABLE MODEL NUMBERS: (Manual Operat...
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CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
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INSTRUCTION MANUAL For the Installation, Operation and Maintenance of HV6AS Vacuum Circuit Breakers – Fixed Type 4.8 & 7.2k V Voltage Classes Never attempt to install, operate, maintain or dispose...
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CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
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SAFETY Page 1 IMPORTANT MESSAGES Read this manual and follow its instructions. Signal words such as DANGER, WARNING and CAUTION will be followed by important safety information that must be carefully ...
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SAFETY QUALIFIED OPERATORS ONLY Only qualified persons are to install, operate, or service this equipment according to all applicable codes and established safety practices. A qualified person must: 1...
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SAFETY Page 3 HAZARDOUS VOLTAGE will cause severe injury, death, fire, explosion and DANGER property damage. Turn off and lock out Primary and Control Circuit Power before servicing. Keep all panels a...
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TABLE OF CONTENTS INTRODUCTION ......................................................................................................................................6 GENERAL DESCRIPTION ................
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TABLE OF CONTENTS Page 5 Inspection During Storage...........................................................................................................32 SPECIFICATIONS.............................
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INTRODUCTION It is the intent of this manual to provide a guide for safely installing, operating and maintaining Toshiba vacuum circuit breakers. This manual consists of a section of general safety in...
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GENERAL DESCRIPTION The Toshiba HV6AS vacuum circuit breakers described in this manual are suitable for use on systems of 4.8k V and 7.2k V voltage classes which require interrupting ratings of 16k A ...
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GENERAL DESCRIPTION 5) Operations Counter - Indicates the total SAFETY DEVICES accumulated number of times the circuit breaker has been closed. Safety interlocks and guards are provided as an integral...
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RECEIVING, INSPECTION AND HANDLING RECEIVING AND UNPACKING The circuit breaker units are subjected to factory Fig. 4 Closing Handle production testing prior to being packed and shipped. ACCEPTANCE INS...
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RECEIVING, INSPECTION AND HANDLING HANDLING AND MOVING When handling and moving the circuit breaker, Fig. 6 Correct Method for Handling the U and the techniques shown in this section may be used. Care...
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INSTALLATION Do not install this at the installation location, a space heater should WARNING equipment in areas where be installed inside the circuit breaker enclosure. unusual service conditions exis...
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INSTALLATION MOUNTING THE CIRCUIT BREAKER TO A Fig. 10 Align Breaker With Panel Cutout PANEL The circuit breakers are designed to mount to a panel made from 11 ga. (.12 in.) thick steel. If the breake...
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INSTALLATION 0.343 DIA 4 PLACES 0.38 RADIUS 4 PLACES Dimensions in Inches Fig. 12 Panel Cutout Dimensions CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email:...
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INSTALLATION MOUNTING DIRECTLY TO A SHELF Fig. 13 Mounting Breaker to Flat Plate or Angles The shelf should be flat and level within ± 0.5 mm (± 0.02 in.). If there are any noticeable gaps PANEL betwe...
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INSTALLATION Fig. 15 Pass Cable Through Insulating MAIN CIRCUIT CABLE CONNECTIONS Cables which connect to the circuit breaker should be routed to avoid interference with sharp edges and moving parts. ...
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INSTALLATION GROUND CONNECTIONS Fig. 18 Ground Connection for U and MU Type Breakers The circuit breaker must be grounded in accordance with the requirements of the National Electrical Code, Article 2...
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INSTALLATION Fig. 20 Connection to Control Terminal CONTROL CIRCUIT CONNECTIONS Control circuit wiring is connected to the terminal block on the top of the operating mechanism (Fig. 20). Connect contr...
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PRE-ENERGIZATION CHECK ELECTRICAL CHECKS GENERAL Electrical shock hazard. BEFORE ENERGIZING THE CIRCUIT Do not touch energized WARNING BREAKER for the first time, follow the procedure components durin...
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OPERATION MANUAL OPERATION Fig. 23 Preparing to Manually Close Breaker Powerful springs. Do not WARNING place your hands or any part of your body inside the circuit breaker while the indicators show C...
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OPERATION Fig. 25 Manually Opening Breaker MANUAL CLOSING (Manual Spring-Operated U and L Types): SYMBOL DESCRIPTION 1. Check to make sure that the On-Off indicator shows OFF (green). 2. Turn the clos...
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OPERATION Circuit Breaker Open Control Power Applied Motor Begins Operating Closing Springs Begin Charging Closing Springs Charged - - - - Spring Status Indicator Changes to Yellow Motor Stops - - - -...
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OPERATION OFF Circuit Breaker Components Shown Inside Box 125 VDC 120 VAC SUPPLY SUPPLY RL GL Optional Auxiliary Contacts Terminal Layout (As Viewed From Front of Circuit Breaker) Fig. 28 125 VDC Cont...
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OPERATION Fig. 30 125 VDC Control Circuit Schematic for MU Type Circuit Breaker ON OFF Circuit Breaker Components Fig. 31 125 VDC Control Circuit Schematic for ML Type Circuit Breaker Shown Inside Box...
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OPERATION UNDERVOLTAGE TRIP All HV6AS fixed mounted circuit breakers are furnished with an undervoltage trip device. The undervoltage trip device operates to trip the circuit breaker OFF unless 120VAC...
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MAINTENANCE 6) Comments MAINTENANCE PROGRAM The degree of detail of the record will depend In order to ensure continued reliable and safe somewhat on the operating conditions. operation of the equipme...
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MAINTENANCE RECOMMENDED INSPECTION AND Screw MAINTENANCE TYPES Nominal Tightening Torque Dia. NOTE: Refer to the SAFETY section of this M4 15-20 kgf-cm manual for important information. 13-17 in-lb M5...
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MAINTENANCE Table 2 Check Points for Periodic Inspection Check Point Check Item Check Method Criteria Disposition Operating Loose bolts, Tighten using Make sure all bolts, nuts Tighten if loose. Mecha...
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MAINTENANCE Table 2. Check Points for Inspection (cont’d) Check Point Check Item Check Method Criteria What to do Auxiliary Terminals loose Visual Make sure terminals are Repair if Switch or disconnec...
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MAINTENANCE Hazardous voltages are VACUUM CHECK present during dielectric WARNING testing which can result in A sufficient level of vacuum is necessary for severe injury or death. proper performance o...
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MAINTENANCE CRITERIA: Fig. 35 Application of Test Voltage for 1. If a current flow above 5 milliamperes is Vacuum Check observed or if breakdown occurs, one or more of the interrupters has insufficien...
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DISPOSAL DISPOSAL Contact your state environmental agency for details on disposal of electrical components and packaging in your particular area. CTi Automation - Phone: 800.894.0412 - Fax: 208.368.04...
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STORAGE STORAGE If the circuit breaker is to be stored for any length of time prior to installation, the following precautions should be taken: 1) The original packing should be restored, if possible....
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SPECIFICATIONS Table 3 Circuit Breaker Ratings – Manual Operation HV6AS-U and HV6AS-L Types Rated Voltage k V, rms 7.2 4.8 Rated Low Frequency Withstand Voltage k V, rms Impulse Withstand Voltage k V,...
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WARRANTY AND LIMITATION OF LIABILITY Toshiba International Corporation ("Company") warrants that all equipment and parts described herein will be free from defects in materials and workmansh...
Manual Details
| Brand | Panasonic |
|---|---|
| Pages | 38 |
| File Size | 1.39 MB |
| Published | June 17, 2026 |
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Frequently Asked Questions
Who is allowed to install or service the vacuum circuit breakers?
Only qualified persons who are trained, authorized, and skilled in the equipment's operation and associated safety practices.
What should be done before servicing the HV6AS breakers due to dangerous voltage?
Turn off and lock out Primary and Control Circuit Power before servicing. Also, keep all panels and covers securely in place.
Are there any rules about modifying or bypassing safety features?
No, under no circumstances should you defeat, modify, or bypass any Safety Interlocks.
Which codes must installations comply with?
Installations must follow applicable state/local codes, National Electric Code (NFPA 70), and instructions in this manual.