SİGMA ELEKTRİK SANAYİ VE TİCARET ANONİM ŞİRKETİ
Istanbul / Türkiye
About Us
Sigma Electric is a leading manufacturer specialized in a wide range of electrical products designed to meet the demands of various industries. With its leadership in the electrical field, Sigma Electric takes pride in providing sharp solutions prioritizing flexibility, reliability, and safety.
Product Portfolio
Automatic Circuit Breakers: Sigma Automatic Circuit Breakers are pioneers in circuit protection, offering flexible and reliable solutions with a wide range of products up to 125A and cutting capacities from 6kA to 16kA.
Residual Current Circuit Breakers: Sigma's AC, A, and B type Residual Current Circuit Breakers provide comprehensive protection against various electrical leakage scenarios.
Surge Protectors: Sigma Low Voltage Surge Protectors offer effective damping capabilities to protect sensitive devices against current surges up to 100kAe.
Modular Products: Sigma's Modular Products provide flexible solutions, including Signal Lamps, Cartridge Fuses, Surge Current Switches, Panel Sockets, and Load Disconnect Switches.
Thermal Magnetic Compact Circuit Breakers: Sigma A.G Compact Type Circuit Breakers ensure high-security standards, produced in 1, 2, 3, and 4 poles, carrying, isolating, and interrupting currents up to 1600A.
Leakage Current Detection Relays and Toroidal Transformers: Sigma Leakage Current Protection Relays and Toroidal Current Transformers work together to reliably protect electrical systems against leakage currents.
Open Type Power Switches (Open Type Circuit Breakers): Sigma Open Type Power Switches, produced in fixed and withdrawable types, offer high performance with cutting capacities up to 100kA and earth fault protection features.
Automatic Transfer Switches (ATS): Sigma Automatic Transfer Switches, ranging from 32A to 3200A, provide easy installation and energy savings in applications requiring energy transfer between two power sources.
Horizontal/Vertical Type Fuse Disconnectors: Sigma's horizontal and vertical fuse disconnectors, used in conjunction with NH fuses, safely control electrical circuits in the event of a short circuit or overload.
NH Fuses (Knife Blade Fuses): Sigma NH Knife Blade Fuses with dual indicators ensure comprehensive short-circuit protection from 6A to 630A.
Motor Protection Switches: Specifically designed for the protection of motor circuits, Sigma Motor Protection Switches combine protection, control, and command functions in a compact device.
Thermal Relays: Sigma Thermal Relays, produced in a wide range from 0.16A to 240A, provide economical protection against overcurrents.
Contactors: Sigma Low Voltage Contactors offer a wide range of solutions for switching electrical circuits up to 800A and save space in electrical panels.
Current Transformers: Produced for S-type, Openable Type, Standard Type, Mini Type, and meter panels, Sigma Current Transformers offer solutions for all measurement needs in the industry.
Switch Disconnectors (Pako Switches): Pako switches serve as mechanical electrical switches, operating by manually turning the control lever. They are used for various purposes in electrical power circuits.
Digital Measuring Instruments: Sigma's digital measuring instruments, including digital ammeters, digital voltmeters, multimeters, energy analyzers, and power meters, provide high-precision measurements of fundamental parameters in the electrical grid.
Relays: Sigma Relays, operating when current passes through, serve as electromagnetic switching elements in various applications.
Reactive Power Control Relays: Sigma Reactive Power Control Relays offer comprehensive solutions for a wide range of compensation needs in facilities with balanced or unbalanced loads, changing loads, the need for SVC, and facilities operating beyond inductive and capacitive limits.
Inductive Load Drivers (SVC): Sigma Inductive Load Drivers ensure the rapid deployment of shunt reactors up to 50 kVAr as per specific needs, delivering high performance unaffected by temperature changes within panels.
Shunt Reactors: Supporting the balancing of capacitive loads, Sigma Shunt Reactors are designed for long-lasting durability in monophase stages from 0.25 kVAr to 10 kVAr and in three-phase stages from 0.25 kVAr to 50 kVAr, capable of withstanding challenging working conditions.
Power Capacitors: Sigma Low Voltage Power Capacitors offer reliable and long-lasting solutions for reactive power needs in compensation systems, covering a range from 0.25 kVAr to 50 kVAr in 230V monophase and 0.5 kVAr to 30 kVAr in 400V three-phase, with additional 525V heavy-duty capacitors.
Compensation Contactors: To ensure long electrical and mechanical life in compensation systems, Compensation Contactors provide a reliable solution.