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Power Distribution 

Miniature Circuit Breakers-MCBs

Residual Current Circuit Breaker -RCCBs

Residual Current Circuit Breaker - RCBO

Switch Disconnector

Modular Contactor

Modular Led Indicator

Modular Changeover Switch

Modular Accessiores

Automatic Changeover switch

Surge Protection Devices

Fuse and Carrier

Digital Time Switch

Staircase Time Relay

Industrial Control And Protection 

Multifunctional timer relay

Modular Impulse Relay

Molded Case Circuit Breaker

NH Fuse and Carrier

Industrial Plug & Socket

AC Contactor

Miniature Relay & Socket

Analogue Panel Meter

Digital Panel Meter

Pushbutton & Pilot Device

Wiring Accessories 

PRO3 Series

PRO9 Series

DUMO Series

Trinity Series

E5 Series

Waterproof Enclosure

Accessories

Solar System 

DC Fuse and Carrier

DC Miniature Circuit Breaker

DC Surge Protection Device

DC Switch Disconnector

DC Molded Case Circuit Breaker

On-grid PV Inverter

Pre-wired String Box

MC4 connector

Branch Cable

PV cable

Cable Management 

Floor Box

Desktop Box

Module Accessories

Enclosures And Distribution Board 

IP65 Metal Enclosure

IP66 Stainless Steel Enclosure

IP66 Terminal Box

IP67 Plastic Enclosure

Plastic Consumer Unit

Metal Consumer Unit

IP65 Plastic Distribution Board

Row Type Distribution Board

SPN Distribution Board

TPN Distribution Board

Pan Assembly

MCCB Box
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Mini Circuit Breaker

KEMA-KEUR certified new family of 6kA,10kA,15kA MCB with outstanding features of 50°C ambient temperature and energy limiting class 3.

Molded Case Circuit Breaker

Compact frame design with current rating from 10A to 800A available with fixed type, thermal adjustable, magnetic adjustable and thermomagnetic adjustable.

Type B Residual Current Device

An ideal protection device against different leakage currents in applications of elevators, photovoltaic inverters, medical equipment, UPS devices, electric vehicle charging facilities etc.

Pre-wired String Box

Various string boxes with function of string isolation, over-current protection and over-voltage protection for safeguard your PV system.

Distribution Board

Din rail or plug-in type single and three phase from 4way to 24way with main switch or RCD or combination incoming suitable for surface or flush mounting.

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August.13.2020

New MCB automatic assembly and testing line put into production

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July.09.2020

Onesto launches full range accessories for its Pro series MCB.

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June.15.2020

Onesto attends 127th online Canton Fair and introduces new developments on live stream.

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March.03.2020

Onesto exhibits at MEE2020,Dubai and attracts lots of visitors

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February.12.2019

KC6pro & KC10pro series MCB was awarded KEMA-KEUR certificate

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VIEW ALL>

August.13.2020 New MCB automatic assembly and testing line put into production
July.09.2020 Onesto launches full range accessories for its Pro series MCB.
June.15.2020 Onesto attends 127th online Canton Fair and introduces new developments on live stream.
March.03.2020 Onesto exhibits at MEE2020,Dubai and attracts lots of visitors
February.12.2019 KC6pro & KC10pro series MCB was awarded KEMA-KEUR certificate

ONESTO Products

Power Distribution

Modular devices for circuit protection and indication in power distribution system

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Industrial Control And Protection

Panel building components for industrial control and protection

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Wiring Accessiores

British, European, American type wall switch and socket for various option

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Solar System

DC voltage rated products for installation and circuit protection of photovoltaic system

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Cable Management

Floor socket and desktop box with different shape and module sizes

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Enclosures And Distribution Board

Plastic, steel, stainless steel waterproof enclosure and single & three phase DB

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About ONESTO

Who
We are?

As an active player in electrical manufacturing industry over 15 years, Onesto is committed to providing quality assured products for application in power distribution, industrial control and photovoltaic system etc.

Onesto is a name of quality that focuses on customer’s safety and satisfaction. The company is operated under ISO9001:2015 Quality Management System. All the products are manufactured in conformity with BS,EN,IEC international standards and acquired CE,CB, TUV,SEMKO,SAA,KEMA-KEUR, UL certificates.