Overview

Key Contact Personnel:
Claudia Arango  carangob@corona.com.co

Year Founded: 1962
Total Number of Employees: 350
Quality Certification: ISO 9001:2015
Other Certifications: ISO 14001:2015, ISO 45001:2018, BASC, CTPAT
Total Annual Sales: USD 20 to 30 million
Percent of Sales in Export Markets: 75%
Major Export Markets Served: Canada, USA, Latin America, Singapore, Taiwan, Korea, Vietnam, Philippines, Saudi Arabia
Range of Products Offered: Electrical Insulators (Glass, Porcelain, Polyethylene and Composite), Porcelain Bushings, Protection Equipment.

Products

Transmission

Composite Insulators: Dead-End Suspension: Up to 500 kV, 210 kN, and special types according to customer designs
Porcelain Insulators: Suspension Disc – Type Insulators: Up to 130 kN, ANSI C29.2, standard or fog type, with or without zinc sleeve
Glass Insulators: Insulators Glass, Suspension Disc – Type: Up to 222 kN, IEC 383-1, C29.2, standard or fog type.

Substations

Porcelain Station Post Insulators: Up to 1800 kV BIL, ANSI C29.9 and special types according to customer designs
Polymer Station Post Insulators: Up to 69 kV

Distribution

Porcelain Insulators

Suspension Disc-Type Insulators: ANSI C29.2, standard or fog type, with or without zinc sleeve
Line Post Insulators: Up to 69 kV tie top and clamp top, mounting studs available, ANSI C29.7 and special types according to customer designs
Pin-Type Insulators: Up to 35 kV, mounting studs available, ANSI C29.5 & C29.6 and special types according to customer designs
Spool Insulators: ANSI C29.3 and special types according to customer designs
Strain/Guy Insulators: ANSI C29.4 and special types according to customer designs
Railway Insulators: Special types according to customer designs

Porcelain Bushings for OEM

Substation Circuit Breakers: 15 kV up to 38 kV
Transformer Bushings, DIN, ANSI, NBR: Up to 52 kV
Capacitor Bushings: Up to 38 kV 200 kV BIL
Recloser Bushings: Up to 38 kV 150 kV BIL
Porcelain for Current – Limiting Fuses: According to customer designs
Insulators for Surge Arresters: Up to 35 kV
Switch Insulators / Bus Insulators: Up to 35 kV

Composite Insulators

Dead-End Suspension: Up to 69 kV, 70 kN
Polyethylene: Tie Top Pin insulators 15 kV, 25 kV, 35 kV
Polymer Line Post: Up to 46 kV, Tie Top
Polymer Station Post Insulators: Up to 69 kV

Protection Equipment: (Medium Voltage)

Polymer Surge Arrester: 3 kV to 36 kV
Porcelain / Polymer Cutouts: 15 kV, 25 kV, 38 kV
Porcelain / Polymer: Hookstick Disconnect Switches 15 kV, 25 kV, 38 kV
Annual Production Capacity for Porcelain Insulators: 8,000 Tonnes
Annual Production Capacity for Composite Insulators: 480,000 Units