DOCUMENTS SOLICITED FROM THE VENDOR 1 TENDERER SHALL SUBMIT

GUARANTEED TECHNICAL SPECIFICATION OF THE PANEL TO BE SUBMITTED BY THE TENDERER

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TECHNICAL PARTICULARS

CONFIRMATION

REMARKS

1

Panel details: Indoor, free standing, 3Phase, 4wire, 415 V

2

Make of panel: One of the approved panel builders. List of approved panel builders is enclosed herewith.

3

Ingress protection: IP42 indoor

4

2mm sheet metal thickness for cubicle structure

5

Seven tank metal treatment process

6

Powder coated over dried

7

Bus bars

7.1

Electrolytic grade aluminium

7.2

Ampacity of bus (A/mm², size of bus bar : to be furnished by tenderer

8

Minimum clearance of bare bus and connections

8.1

Phase to phase: 25mm min

8.2

Phase to neutral: 25mm min

8.3

Phase to earth: 25mm min

9

Bus bars Insulating sleeves / Barriers

9.1

Heat shrinkable insulating color sleeves

9.2

SMC/DMC insulating fire barrier

10

Bus support insulator

10.1

Powermat make SMC/DMC insulation rated for 660V min

10.2

Power frequency with stand voltage for 1 minute : 3.0KV

11

MCCB

11.1

One of the approved make. List of approved make enclosed herewith.

11.2

MCCB shall be plugin base

11.3

MCCB shall be motorized to close and open the breaker

11.4

Motor mechanism shall be communicable to indicate the status

11.5

MCCB shall have LSIG microprocessor based protection

11.6

MCCB shall be communicable for protection, events, logs ,etc

11.7

MCCB shall have LCD display to indicate current, status, etc

11.8

MCCB both motor mechanism and protection release shall be ready to connect to MODBUS protocol

12

Current transformer

12.1

One of the approved make. List of approved make enclosed herewith.

12.2

Suitable for multifunction meter as indicated in the schedule of quantities

12.3

5VA burden, class 1 accuracy

13

Panel meters

13.1

One of the approved make. List of approved make enclosed herewith

13.2

96 x 96 mm size flush mounting SCADA compatible with RS 485 port for MODBUS protocol

14

Control wiring

14.1

1100v grade FR-PVC insulated multi stranded copper single core cable with ISI mark.

14.2

One of the approved make. List of approved make enclosed herewith

14.3

5A rated for potential circuit and 10A rated for current circuit

15

list of relevant technical enclosures such as MCCB catalogue, multifunction meter catalogue, CPRI test certificate

16

Please specify all deviations if any, against our tender specifications. Attach sheet if required.

GUARANTEED TECHNICAL SPECIFICATION OF ACB TO BE SUBMITTED BY THE TENDERER(GIVEN FOR EACH TYPE AND RATING)

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Particular

Tenderer's Data/Confirmation

1

Name of Manufacturer (Make): as per approved make

2

Type - Designation - Complete Model No. offered

3

Confirming Standard

4

No. of Poles

5

Rated Operational Voltage Ue

6

Rated Frequency

7

Rated Insulation Voltage Ui

8

Rated Impulse withstand voltage Uimp

9

Insulation level of the breaker

1. One minute dry withstand voltage (kV rms)

2. One minute wet withstand voltage (kV rms)

3. Impulse withstand test voltage (kV peak)

10

Temperature

1. Ambient temperatures used for design ºC

2. Maximum rise of temperature over ambient temperature (10-a) for current rating (0C)

11

Rated continuous Current at 40°C

12

Making capacity (kA peak) Icm (at _______

voltage)

13

Rated service short circuit breaking capacity Ics

14

Rated Ultimate short circuit breaking capacity Icu

15

Rated Short time withstand current and short time delay Icw for 1s

16

Utilization Category

17

Power loss at rated current, Watts

18

Breaker Closing Time ms

19

Breaker Opening Time ms

(a) On Fault

(b) With Rated current

20

Contact Resistance

21

Rated operating duty

22

Allowable No. Of Operations –cycle

1. Mechanical Operation
   (without maintenance)

2. Electrical Operation
   (without maintenance)

23

Maximum number of operations on fault without inspection

24

Suitability for Isolation and safety interlocks with TEST, SERVICE , ISOLATED position of the breaker

Yes/No

25

Rated control circuit voltage of control device

26

Conforming IP code

27

Pollution degree/Material group

28

CB Operation counter Provided as standard accessory

Yes/No

29

Phase segregation barriers Provision available

1. Between upper & lower power connection

Yes/No

2. Between phase

Yes/No

30

Minimum clearance in air

1. Between phase (live parts) mm

2. Between live part and earth mm

3. Centre to centre distance between phase mm

31

No. of Auxiliary contact.

32

Provision of Under Voltage Release

Yes/No

1. Sensing of the Under Voltage release

2. Setting range of the Under Voltage release

3. Closing interlock with U/V release

4. Other Features of the Under Voltage release

33

Interchangeability of Circuit Breaker

Should be Inter changeable with identical type and rating without disturbing any wiring or contact configuration etc.

34

Operating mechanism

1. Stored energy type with operation by means of chargeable spring with geared motor and provision for manual charging.

Yes/No

2. Shall be mechanically and electrically trip free,

Yes/No

3. Shall be with a built-in anti-pumping feature or a separate antipumping relay.

Yes/No

35

Mechanical trip devices/Indications

1. Mechanical trip device available, specify.

2. Mechanical ‘ON-OFF’ indication and mechanical spring charged indication should be provided.

Yes/No

3. Clear ISOLATION/TEST/SERVICE positions shall be available and POSITION shall be visible on indicator on ACB front.

Yes/No

36

2 NO & 2 NC contacts shall be provided for both service and test positions limit switches.

Yes/No

37

Connection/disconnection mechanism/Interlocks

1. Shall prevent sliding of CB from SERVICE to TEST position or vice versa, unless the ACB is open/OFF.

Yes/No

2. Shall prevent closing of ACB, unless it is in SERVICE or TEST position.

Yes/No

3. Shall be possible to disconnect the breaker without having to open the door.

Yes/No

4. Shall prevent opening of the door unless ACB is in TEST or ISOLATE position.

Yes/No

5. Shall prevent sliding from TEST to SERVICE position, unless the door is closed.

Yes/No

38

Access to control circuit of circuit breaker from front side.

Yes/No

39

Provision of Safety shutters

Yes/No

40

Name plate indicating thermal rating, Breaking capacities Ics & Icu as well as short time withstands rating, Icw and other details shall be as per IS.

Yes/No

41

Shall be fitted with detachable arc chutes on each pole design to permit rapid dispersion, cooling and extinction of the arc. It should be possible to remove arc chutes without using any tool and without removing the breaker from panel.

Yes/No

42

Replaceability of arcing contact without replacing main contact and vice versa

Yes/No

43

Auxiliary Voltage for

1. Spring Charging Motor

2. Closing Coil

3. Shunt Trip Coil

44

Limits of Voltages for satisfactory operation of the following devices as percentage of normal voltage

1. Spring Charge Motor

2. Closing Coil

3. Shunt Trip Coil

45

Spring Charging Motor Details

1. Rating.

2. Rated Voltage

3. Rated Current

4. Insulation Class

5. Spring Charging time

6. Maximum Temp. rise over specified ambient

46

Ambient Characteristics

1. Operating Temperature

2. Storage Temperature

3. Relative Humidity

47

Overall Dimension

48

Document submitted

1. Type test reports (list of reports with date, rating of equipments, testing authority etc.)

2. List of Schedules

3. List of Drawing

4. List of Manuals

5. Other furnished details

49

Any other function and features of the circuit breaker offered

50

Any other related information to furnish

51

Guarantee/Warranty

1. Guarantee/Warranty

2. Period of Guarantee/Warranty

3. Terms and condition of the Guarantee/Warranty