Circuit protection
miniature circuit breaker (MCB), compact and open-type power circuit breakers.
Local manufacturing strength
in low-voltage switchgear.
ESCO Switch, Sigma low voltage switchgear products provides product selection, quotation and supply support as main distributor and main dealer.
SIGMA ELECTRIC
Protection, control and measurement for a wide product range.
Product portfolio ranging from circuit breakers to automatic fuses, extending to contactors and compensation with residual current protection.
Technical information and prices may change, therefore document links are directed directly to the official sources of Sigma Elektrik.
Residual current
Protective circuit breakers, relays and toroidal transformers.
Control
Contactors, relays and transfer switches.
Power quality
Power factor correction and energy analysis equipment.
Visual Product Families
As per project requirements
protection layer.
Compare leading Sigma product groups visually; determine the exact product code with project data and the latest technical documentation.
SIGMA · CIRCUIT PROTECTIONMiniature Circuit BreakersOverload and short circuit protection in final circuits.
SIGMA · RESIDUAL CURRENTResidual Current Circuit Breaker (RCCB)Safety for people and installations with different threshold options.
SIGMA · POWER DISTRIBUTIONMoulded-case Circuit BreakersMain distribution and high current applications.
SIGMA · OVERVOLTAGESurge Protective DevicesEquipment protection against transient overvoltages.
SIGMA · MONITORINGResidual Current RelaysIn industrial panels, monitoring and tripping unit.
SIGMA · CONTROLImpact Current SwitchesControl lighting from multiple points.
TECHNICAL GUIDE
moulded-case circuit breaker (MCCB) selection with the right questions.
rated current, number of poles, breaking capacity and trip unit should be evaluated together with project data.
Review the selection guideOFFICIAL DOCUMENT CENTER
Catalog, price list
and technical sources.
Connections opens the current official pages of Sigma Elektrik.
2026 Price List
Access the current price list and download option.
Official price listProduct Catalogs
Review the general, miniature and capsule catalog options.
Open catalogBrochures
Brochures and technical documents for product groups are available.
Open brochure2026 Price List PDF
Open the latest PDF file published by Sigma Elektrik.
View PDFEncapsulated Catalog
Summary catalog outlining the basic product groups.
View catalogAll Product Groups
Check the official site for the latest product families.
Open products