Indicating Meters & Current Transformers

Transcription

1 Indicating Meters & urrent Transformers

2 bout us Larsen & Toubro is a technology-driven USD 8. billion company that infuses engineering with imagination. The ompany offers a wide range of advanced solutions in the field of Engineering, onstruction, Electrical & Electronics, Machinery and Information Technology. L&T Switchgear, which forms part of the Electrical & utomation business, is India's largest manufacturer of low voltage switchgear, with the scale, sophistication and range to meet global benchmarks. With over four decades of experience in this field, the ompany today enjoys a leadership position in the Indian market with growing presence in international markets. It offers a complete range of products including controlgear, powergear, motor starters, energy meters, wires and host of other accessories. Most of our product lines conform to international standards, carry E markings and are certified. L&T now introduces Ivory series of analog panel meters & current transformer for electrical measurement. Switchgear Factory, Mumbai

3 ontents. nalog Panel Meters. Features.2 Technical Specifications urrent Transformers 2. Features Technical Specifications 2.3 Overall Dimensions 6-9

4 nalog Panel Meters The Ivory nalog panel meters series includes mmeters, Voltmeters, Wattmeters, VR, Power factor meters and Frequency meters available in sizes(mm) - 72 x 72, 96 x 96 and 44 x 44 and scale - 90 degree. Features Interchangeable scales ack cover as standard Easy glass replacement Robust case with superior finish

5 Technical Specifications Type of Instrument Moving iron for current & voltage measurement (DE) Moving coil for D current & voltage measurement (DS) Moving coil with built in transducer for power measurement (LM) Moving oil built in transducer for Power factor measurement (LF) Moving oil with built in transducer for frequency measurement (FM) Size(mm) 72 x x x44 72 x x x x x x x x x x 44 Measurement lternating urrent &lternating voltage Direct current & Direct Voltage Power for all type of network & loading P.F. for all types & 3 Phase balanced & unbalanced network Frequency for all type of Network Depth ehind ezel < =3mm, -60=mm, >60=mm <6 =3mm, 6-60=mm, >60=78mm 0 mm & 3 mm for 3 Phase 4 wire Unbalanced loads 3 mm 3 mm Smallest Measuring Range 6 V, 00m mv,µ Related to rated Voltage 7.7 V & Rated urrent Related to rated Voltage 7.7 V & Rated urrent Related to rated Voltage 7.7 V (min. Hz) Largest Measuring Range 600V, V,00 Related to rated Voltage 00 V & Rated urrent Related to rated Voltage 00 V & Rated current Related to rated Voltage 00 V (max. 4 Hz) Proof Voltage 3 kv 3 Kv 2 kv 2 kv 2 kv Weight (approx. in kg) 72 72= = = = = x 96= x 44= = = = = = =0.60 ccuracy lass *For Ordering Information please refer price list of analog panel meters. 2 3

6 urrent Transformers urrent Transformers - Rectangular Type urrent Transformers - Ring Type General information Standards Insulation : IE , S 3938 : 20% glass fiber reinforced polycarbonate case Flame retardant grades classified UL94V-0 : 720 V : 4 kv eff 0 Hz min : 0-60 Hz Rated voltage Test voltage Operating frequency Rated Secondary urrent : or Rated burden :,., 2., 3.7,, 7., 0, 2.,, 20,,, 60 V lass of accuracy : 0.2, 0.2s for laboratory and kwh measuring 0., 0.s for accurate measuring, kwh for general measuring with switchboard instruments 3 for other not so accurate measuring onnection Test certificate ontinuous over-current:.2 x In : The secondary terminals have two connections on each side with M4 self clamp low contact resistance : Provided along with individual T Features ost effective moulded case measuring current transformers Limited range include the seven most popular sizes of current transformers Ratio ratings from / to 00/ Wide range of current ratings, busbar sizes, case widths and apertures Sealable terminal covers ase mounting and busbar mounting option pplications Switchgear Distribution system Generator sets ontrol panels Overload protection ontrol devices 4

7 Technical Specifications urrent Transformer - Rectangular Type (Polycarbonate ase Encapsulated) Frequency Rating 0 Hz or 60 Hz, Secondary urrent Primary urrent Type /D /D /D /20 /R / / /20 /20 / / / / 86/ 86/0 86/60 04/60 /80 /00 /00 / Dimensions (pprox.) in mm D 4 Dia 4 Dia 2 Dia 20 x Dia 3 x 3 x 2 x 2 x 3 x 3 x 4 x 2. 3 x 4 x x 2. 6 x 2. 6 x 2. 8 x 3 0 x 3 0 x 3 0 x 3 Power Rating (V) ccuracy lass urrent Transformer - Ring Type (Polycarbonate ase Encapsulated) Primary Type Dimensions (pprox.) in mm Power urrent TW-3 TW-3 TW-3 TW-3 TW-4 TW-4 TW-4 TW- TW- ID OD W Rating (V) * The accuracies listed above are as per IS-270/IE * The general tolerance for dimensions shall be +/-0.2mm ccuracy lass

8 Overall Dimensions urrent Transformers - Ring Type 20 4 S S P ID OD W Type TW urrent Transformers - Rectangular Type S D P 27 Type /D 7 S P Type /22 6 ll dimensions are in mm

9 Overall Dimensions urrent Transformers - Rectangular Type 7 7 S S Ø Ø P2 P Type /20 Type / S S Ø20. 4 Ø ø P 42 ø P Type /20 Type / ll dimensions are in mm 7

10 Overall Dimensions urrent Transformers - Rectangular Type S S ø3 4 3 ø ø6.6 P 3 4 P Type / Type 86/ S S ø 32. ø P P 6 68 Type 86/0 Type 86/60 8 ll dimensions are in mm

11 Overall Dimensions urrent Transformers - Rectangular Type S ø4 ø P Type 04/60 04 S ø79 3 ø6.6 Type /80 P S ø86 ll dimensions are in mm ø Type /00 P

12 Electrical Standard Products (ESP) ranch Offices: REGISTERED OFFIE ND HED OFFIE L&T House, allard Estate P. O. ox 278 Mumbai 0 00 Tel: Fax: Website: ELETRIL STNDRD PRODUTS (ESP) 0, Sakar omplex I Opp. Gandhigram Rly. Station shram Road hmedabad Tel: Fax: / esp-ahm@lnteg.com 38, ubbon Road, Post ox 098 angalore Tel: , Fax: esp-blr@lnteg.com 3/, Zone II Maharana Pratap Nagar hopal 4 0 Tel: / 7 / 8 / 9 Fax: esp-bho@lnteg.com Plot No. 9, nnapurna omplex Lewis Road hubaneswar 7 04 Tel: , Fax: esp-bbi@lnteg.com SO 32, Sector 26-D Madhya Marg, P. O. ox 4 handigarh Tel: to 7 Fax: esp-chd@lnteg.com 0, lub House Road hennai Tel: / 4 / / 209 Fax: / 3 esp-maa@lnteg.com, ppuswamy Road Post ag 76 Opp. Nirmala ollege oimbatore 64 0 Tel: / / Fax: esp-cbe@lnteg.com L&T House, Group MIG - Padmanabhpur Durg Tel: / 4 / 28 / 29 Fax: /, stronauts venue idhan Nagar Durgapur 22 Tel: / 892 / 7844 Fax: esp-dgp@lnteg.com Milanpur Road, amuni Maidan Guwahati Tel: Fax: esp-gau@lnteg.com II Floor, Vasantha hambers -0-, Fateh Maidan Road Hyderabad Tel: Fax: esp-hyd@lnteg.com D-24, Prithvi Raj Road, -Scheme Jaipur 2 00 Tel: / 8 Fax: esp-jai@lnteg.com kashdeep Plaza, 2nd Floor P. O. Golmuri Jamshedpur Jharkhand Tel: / 387 Fax: esp-jam@lnteg.com Skybright ldg. M. G. Road Ravipuram Junction, Ernakulam Kochi 6 06 Tel: / 4 / / 7 Fax: esp-cok@lnteg.com 3-, Shakespeare Sarani Kolkata Tel: / 3 / 4 Fax: esp-ccu@lnteg.com 28,Indira Nagar, Faizabad Road Uttar Pradesh, Lucknow Tel: / / 6 Fax: esp-lko@lnteg.com Plot No. 8 4th Main Road K. K. Nagar Madurai 020 Tel: 02-23, Fax: esp-mdu@lnteg.com EG North Wing Office - 2 Powai ampus Mumbai Tel: / 27 / 6 Fax: esp-bom@lnteg.com #2, Shivaji Nagar North mbazari Road Nagpur 4 00 Tel: / 3 Fax: / esp-nag@lnteg.com 32, Shivaji Marg P. O. ox 23 New Delhi 0 0 Tel: / / 6 Fax: esp-del@lnteg.com L&T House P. O. ox 9 9/, Dhole Patil Road Pune 4 00 Tel: Fax: , esp-pnq@lnteg.com 3rd Floor Vishwakarma hambers Majura Gate, Ring Road Surat Tel: Fax: esp-sur@lnteg.com Radhadaya omplex Old Padra Road Near harotar Society Vadodara Tel: / / / 2 Fax: esp-bar@lnteg.com , Dwarakanagar Visakhapatnam 06 Tel: / 3 Fax: esp-viz@lnteg.com Product improvement is a continuous process. For the latest information and special applications, please contact any of our offices listed here. Electrical Standard Products Larsen & Toubro Limited Powai ampus, Mumbai ustomer Interaction enter (I) SNL / MTNL (toll free) : Reliance (toll free) : Tel. : Fax : cic@lnteg.com Website : SP