2500KVA Substation Upgrade in Ashgabat, Turkmenistan

The voltage transformers are in accordance with GB/T20840.1、3andIEC61869-1、3 standards

Rated frequency 50Hz or 60Hz

Ambient temperature -5℃ ~+40℃

General

YCD7 Series Signal Display Control Rail Module is a versatile module that includes indicators, buttons, illuminated buttons, and buzzer with light functions. It is suitable for circuit control systems operating at AC/DC voltages up to 230V and a frequency of 50/60Hz. This module is designed to provide control, indication, and fault signaling functions in electrical circuit systems.

YCTYE Concumer Box

YCX7 Wall Mounting Enclosure Box

General

1. Reasonable structure: spacious wiring space, large volume, multi-layer protective partition main switch using multi-functional decorative board, the main switch can be replaced at will, ABS plastic internal door lock, can prevent electric shock.

2.Stable performance: the connection adopts sparerib type copper bar, cover heat shrinkable tube and add transparent PC board.

3. Operation safety: multi-layer protective partition, so that the operator and live part isolated, each layer of door panel is connected to the floor row, to ensure the safety of the operator.

4. Convenient disassembly and assembly: box body and safety bracket, inner door, outer door, etc. can be taken out separately at will. Let the box be buried first. Ensure that the components in the distribution box are installed at one time to avoid damage.

THQ Black Shell Circuit Breaker

GSD series circuit breaker is for overload &short circuit protection with isolation function ,which is used in residential and industrial distribution system. Fault indication function
Heat-resistant and thermoset cases ,increased stability and structural rigidity; Poles:1P,2P,3P
Rated Current:10A,15A,20A,25A,30A,35A,40A,50A,60A Rated Voltage:AC120/240V Standard:IEC 60947-2

MCCB 100A 25kA 3P 4P Circuit Breaker

The YCM7-125S and YCM7-160S MCCB 100A Circuit Breakers are premium molded case circuit breakers designed for industrial and commercial power distribution. Compliant with IEC60947-2, these breakers deliver robust protection against overloads, short circuits, and undervoltage conditions. With compact designs and versatile configurations (3P/4P), they are ideal for applications requiring reliable 100A-rated protection.

Model	YCM7-125S	YCM7-160S
Rated Current	63A-125A	63A-160A
Poles	3P, 4P	3P, 4P
Rated Voltage	AC400V/AC690V	AC400V/AC690V
Breaking Capacity (Icu)	15kA @ 400V	25kA @ 400V
Standards	IEC60947-2	IEC60947-2

YCH9s-125 Isolating Switch

YCH9s-125 series isolating switch is suitable in the resistive circuit of Ac 50/60HZ, rated voltage 230/400V, rated current up to 125A. It’s used primarily for circuit’s turning on or off in non-load ed situation, And it functions on connection and isolation between lines and power, especially suitable to isolate power effectively and prevent circuit breaker from closing accidentally when maintain the circuit in order to ensure the safe operation of maintainer.

Product standard:IEC600947-3

20 Amp Arc Fault Breaker

The AFDD Arc Fault Detection Device is a critical safety solution engineered to mitigate electrical fire risks in residential, commercial, and industrial environments. By combining arc fault detection, residual current protection, and overload/short circuit safeguards, it offers comprehensive defense against common electrical hazards. With four adjustable sensitivity modes, it adapts to diverse settings—from homes to factories—while intuitive indicators and a test button ensure ease of monitoring and maintenance. Its modular DIN rail design simplifies installation, making it an essential upgrade for modern electrical systems.

JKW7C Automatic Reactive Power Compensation Controller

This automatic reactive power compensation controller.It is suitable for automatic regulation of capacitor compensation device in low voltage distribution system (hereinafter referred to as controller).It makes the power factor reach the user’s predetermined state, improves the utilization efficiency of the power transformer, reduces the line loss, and improves the voltage value of the power supply, so as to improve the economic and social benefits.

YCQ9E Automatic transfer switch

General
YCQ9E series automatic transfer switch, rated working curent 16A to 630A,to be used in pow- er systems for ensuring the continuity of the supply, by transfering a load between two power supply sources. The switch has three working posions of “Main ( I ) cosing”, “Standby ( II )
closing” and “Double-of (0)”, which can be used for fire-fighting linkage and infrequent con-
necion and disconnecion of power supply systems. Mainly used in hospitals, shopping malls, banks, chemical industy, metalurgy, high-rise buildings, military facilities and fire-fighting occa- sions where power failure is not allowed.
Standards: IEC 60947-6-1

CJ19i(CJ19s) Contactor

General
CJ19i contactor for capacitor switching (hereinafter called contactor)is suitable forthe circuitofAC 50Hz/60Hz with rated rated voltage up to 690V.It is mainly used toadd low voltage reactive power compensation equipment or cut off low voltageparalel capacitor.The contactor is equipped with a device to suppress the inrushcurrent,which can effectively reduce the impact ofthe making inrush current on thecapacitor andsuppress the over-voltage when thecapacitor is cut off.Standard:IEC/EN 60947-4-1.