11kv metal clad vcb specifications
TRANSCRIPT
11KV OUT DOOR TYPE KIOSK WITH 11KV 1250A 25KA INDOOR VCB
S. No DESCRIPTION 1. 11KV 1250A 25KA VCB of horizontal isolation / draw out VCB fitted with
manual/motor operated spring charging mechanism with 220V AC Motor, shunt trip coil of 24V DC, closing coil of 24V DC, Aux. contact 4NO+4NC mechanical on/Off indicator and push button, mechanical operation counter - 1 No.
2. Current Transformers : The current transformers shall be single phase resin cast and suitable for system voltage of 11KV and of Ratio 125-100/5-5A, Core-1 Class 0.5, 15VA for metering, Core-2 class 5P10, 15VA for protection. – 3Nos.
3. Potential Transformers : The potential transformers shall be Single Phase resin cast suitable for system voltage 11kv and of ratio 11KV/√3/110V/√3 accuracy 1 100VA – 3Nos.
4. Metering 4.1 0 - 150A Digital Ammeter with ASS – 1 set 4.2 0-11KV Digital Voltmeter with VSS – 1 set 4.3 Digital Multifunction Meter – 1 No. 5. Protection
5.1 3O/C + 1E/F relay – 1 no. 5.2 Master Trip relay – 1 no. 5.3 Auxiliary Relays for Transformer Protection - 2Nos 6 CB On/Off/Trip/Spring Charge/Trip Circuit Healthy, and R,Y,B Indication Lamps
– 8nos. 7 Hooter – 1 No 8 8 Window Annunciator – 1 no. 9 Trip Circuit Healthy Push Button – 1 no
10 TNC Breaker Control Switch – 1 no. 11 24V DC battery charger -1 No.
MS sheet steel enclosure with paint shade 7035 suitable for outdoor installation with provision for connecting incoming and outgoing cable provision through bottom entry.
MAKES: VACCUM CIRCUIT BREAKER : ABB PROTECTION RELAYS : EASUN / AREVA AMMETER/VOLTMETER : AE / RISHAB DIGITAL MULTIFUNCTION METER : CONZERV / ELMEASURE ANNUNCIATOR, HOOTER : ALAN / JVS CT’s (OUTDOOR) : VAMET CT’s (INDOOR) : KALPA INDICATION LAMPS : ESBEE (L&T) PUSH BUTTONS : ESBEE (L&T) SELECTOR SWITCH : SALZER