Address
Director
Phones of enterprise
Internet
Electromac Trefoil Clamp
M/s,Electromac Industries
{ An ISO & CE marked. }
Devang Patel
(Managing Director)
Dear Madam / Sir,
Greetings,
We take this opportunity to Introduce our manufacturing organization, the production base in Mumbai and producing since last 29 years.
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Please Open the Attachments
(A), TREFOIL
CLAMP & Single Cable Clamp
1 F.R.P. - [ Glass Filled Molded ]
2 Nylon 6
3 Cast Aluminum [ LM-6 ] & Aluminum Strip,
(B), FRP - Motor Cover & Fan Covers, Canopy, Jn Terminal Box Gratings, and
Trays,
FRP
- Transmitter / Instrument box cover
Canopy,
FRP
& Cast aluminum - Power & Control - Junction Box
with Canopies & Street Pole Box,
(C), Cable Glands - { In Brass, SS, Aluminum - ( WP & FLP types) },
(D), CORTEN - A Grade Steel Plate,
Note :
Only our copy of Test Report of SHORT CIRCUIT No: PLV/10/SC/170 of M/s. ERDA, Vadodara for TYPE TEST for 1 Seconds & 3 second - Peak Value: 105 kA will be provided- for other extra TCs charges will be extra at actual as per third party Lab
A), Tested for 1 seconds for FRP, Nylon Trefoil Clamps- Peak Value: 105 KA
B), Tested for 3 seconds for Pressure Die-Cast Solid Aluminum Trefoil Clamp Peak Value:104 KA
for International standards
TREFOILLING is
essential for Single core cables
Trefoil
Clamps are used for high voltage single core cables where the current
rating is high and 3 core cables are not available.
The Trefoil Clamps are used for laying single core cables in Trefoil touching
formation which helps to maintain magnetic symmetry thereby avoiding electro
magnetic heating and loss of current.
It
does nullify the induced magnetic field of high voltage power cable.
The Trefoil Clamps are Protection of power and control cable from the lightning discharges and Establishment of easy cable circulation paths. Voltages are induced in the sheath of cables running in parallel which result in circulating currents flowing in the sheaths. The distances between single core cables running in parallel determine the voltages induced. With single core cables in trefoil formation (touching each other) the distances between the cables are minimum and thus the voltages induced are minimized and hence the circulating currents. The circulating currents cause localized heating.
APPLICATION Trefoil Clamps are kept
in trefoil formation Wherever 3 Phase A.C. Circuits is used
looking forward for your valued enquiry and with sincere
regards,
Regards
Devang N Patel