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Instrumentation & Control Equipments
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Suppliers Directory
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MEGAWIN SWITCHGEAR
| | Address : |
PB NO 434, ALAGAPURAM |
| Telephone : |
0427-2330498/23302882447099 |
| Fax : |
91-427-2330502 |
| Send : |
On-Line Trade Inquiry |
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Products |
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MAGNETIC ACTUATOR VCB - MEGAWIN SWITCHGEAR, HAS INDIGENOUSLY DEVELOPED A PRODUCT AND WAS APPRECIATED BY PRESTIGIOUS CLIENTS LIKE MSEB, L&T ECC AND OTHERS. TYPW IT IS VMA 1 VACUUM CIRCUIT BREAKER IS SUITABLE FOR 12/24/26 KV, UP TO 160 A. THIS BREAKER IS A COMBINATION OF VACUUM INTERRUPTERS PLACED IN RESIN CAST HOUSING, MAINTENANCE FREE MAGNETIC ACTUATOR AND ELECTRONIC CONTROLLER WITH SENSORS. IT MEANS A MAINTENANCE FREE CIRCUIT BREAKER FOR ITS WHOLE LIFE AND THE FOLLOWING ARE ITS FEATURES; HIGHLY COMPACT, FEWER COMPONENTS, SIMPLE MECHANISM, LONGER LIFE, ZERO MAINTENANCE, SIMPLE DIRECTLY COUPLED LINEAR MOTION. ITS ARE ADVANTAGES VERY COMPACT; LESS NUMBER OF PARTS (NO MOTOR, GEAR, LEVERS AND LINKAGES); ONLY ONE MOVING PART (SHAFT); MECHANICAL LIFE OF 1,00,000 CO OPERATIONS; AND SELF SUPERVISION OF BREAKER OPERATION AND AUXILIARY SWITCHES USING ADVANCED MICRO PROCESSOR TECHNOLOGY. ZERO CLOSING AND OPENING FACILITY IS AVAILABLE AS AN OPTIONAL FEATURE. IT CAN BE APPLIED IN VIEW OF HIGH RELIABILITY OF THE VMA1 CIRCUIT BREAKER, IT IS RECOMMENDED FOR UNMANNED SUBSTATION, AUTO RECLOSING, CRITICAL AND FREQUENT SWITCHING, ETC.
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CURRENT SENSOR OPERATED NUMERICAL OVER CURRENT & E - TYPE MS 61 C (LBS/BP) IS A UNIQUE RELAY WHICH RECIEVES CURRENT INPUT SIGNALS PROVIDED BY SENSORS. UNIQUE DESIGN ENSURES THE RELAY SETTINGS THAT CAN BE DONE DIRECTLY IN TERMS OF PRIMARY CURRENT, THUS AVOIDING COMPLEX CT RATIO CALCULATIONS. THE VALUE OF FAULT CURRENT AT THE TIME OF RELAY TRIPPING IS DISPLAYED IN THE BACKLIT LCD DISPLAY, TILL THE RELAY IS RESET. THE CURRENT AND TIME SETTINGS ARE SET USING MEMBRANE KEYPADS IN A 2 LINE, 16-CHARACTER BACKLIT LCD DISPLAY. THIS RELAY PROVIDES 6 TYPES OF STANDARD IDMT CURVES, A LONG TIME DELAY CURVE AND ALSO A DEFINITE TIME FEATURE FOR BOTH THE O/C AS WELL AS THE E/F RELAYS. IT IS FOR USE IN CIRCUIT BREAKER FEEDER, A HIGH SET RELAY FEATURE CAN BE GIVEN FOR BOTH O/C AND E/F RELAYS, WHICH CAN BE ENABLED OR DISABLED. THIS ENTIRE RELAY SETTINGS ARE SECURED WITH PASSWORD PROTECTION AND IS USED FOR A LOAD BREAK SWITCH FEEDER, THEN THE RELAY OFFERS ONLY LOW-SET IDMT PROTECTION FOR BOTH O/C AND E/F RELAYS. LEDS ARE AVAILABLE FOR PICK-UP, LOW-SET FAULT (O/C AND E/F), HIGH SET FAULT (O/C AND E/F), R/Y/B PHASES AND EARTH FAULT. THUS DIAGNOSIS BECOMES EASIER, DURING THE RELAY PICK-UP AS WELL AS POST TRIP CONDITIONS. THE FULLY MICROPROCESSOR BASED RELAY HAS TWO SETS OF OUTPUT CHANGE OVER CONTACTS EACH FOR THE O/C AND E/F RELAY. THE OVER CURRENT SETTINGS ARE AVAILABLE FROM 5 TO 200 A AND EARTH FAULT SETTINGS FROM 1 TO 80 A. TMS SETTINGS ARE AVAILABLE FROM 0.1 TO 1.6. THE HIGH SET O/C SETTINGS ARE FROM 20 TO 2000 A AND THE HIGH SET E/F SETTINGS
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