
Welcome to Rational Engineers INDIA’S LARGEST COPPER WIRE MANUFACTURERS AND SUPPLIER
REL was started in 1989 and was later taken over by Mr. Mahendra Jain (B.E Mech) in 2006 with a vision of transforming the production and distribution landscape of copper.
Our Products
REL’s futuristic and modern manufacturing facilities combined with uncompromising machinery
REL Engineers Limited endeavors to have an almost ubiquitous presence in the array of copper. Conductors with certification indicates resilience to survive business cycles.
INDUSTRIAL APPLICATION
What our client say
Happy Customers & Clients
This is to certify that M/s. Rational Engineers Ltd. Plot No.1, Gut No. 296, 297 & 298, Village-Hamarpur, Taluka Wada, District Palghar 421 303 has been supplying us Paper Insulated Copper Conductor (PICC) and Continuously transposed Copper conductor (CTC) regularly for our various range of transformers and reactors up to 765kV class for our customers in India and Abroad. We have found their supplies to be as per our specifications and meets our quality standards. This certificate is being given on the request of M/s.Rational Engineers Ltd. Plot

This is to certify that M/s. Rational Engineers Ltd. Plot No. 1 Gut no. 296,297 & 298, Village-Hamarpur, Taluka Wada, District Palghar421 303 has been supplying us Paper Insulated Copper Conductor (PICC) and Continuously transposed Copper conductor (CTC) regularly for our various range of transformers up to 765 kV class for our customers in India and Abroad. We have found their supplies to be as per our specifications and meets our quality standards.

This is to certify that M/s. Rational Engineers Ltd. Plot No. 01, Gut No. 296,297,298 , Village-Hamarpu r, Taluka Wada, District Palghar421 303 has been supplying us Paper Insulated Copper Conductor (PICC) and Continuously transposed Copper conductor (CTC) regularly for our various range of transformers up to 220 kV class for our customers in India and Abroad. We have found their supplies to be as per our specifications and meets our quality standards. This certificate is being given on the request of M/s.Rational Engineers Ltd. Plot No. 01, Gut No. 296,297,298, Village-Hamarpur, Taluka Wada, District Palghar

Our Clients
Blog

Paper Insulated Copper Wires: The Electrical Properties
When you think of advanced electrical systems, your mind probably doesn’t jump to paper. But what if we told you that this humble material plays

Paper Insulated Copper Conductors: Explore Types of Paper
When it comes to carrying serious currents through underground systems or inside power transformers, paper insulated copper conductors are the unsung heroes. These aren’t your

Insulation Showdown: Nomex-Covered Copper Conductor vs Others
In the world of electrical and electronic applications, the choice of materials is crucial to the performance and durability of the final product. Among the