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CYW1 Series Air Circuit Breakers

qbkg — Mon, 16 Jun 2025 08:50:11 +0000

The CYW1 series air circuit breakers are designed for distribution networks operating at an AC frequency of 50Hz or 60Hz. They are suitable for systems with a rated voltage of 400V or 690V and a rated current up to 6300A. These circuit breakers are primarily used for the distribution of electric energy and to provide protection against various faults in power equipment and lines.

Protection Functions:

These circuit breakers offer comprehensive protection functions, including:

* Overload Protection: They protect against excessive currents that can occur due to overload conditions in the electrical system.

* Undervoltage Protection: The circuit breakers safeguard against voltage drops below the acceptable range, ensuring the stability and reliability of the power supply.

* Short Circuit Protection: They detect and interrupt high currents caused by short circuits, preventing damage to the equipment and electrical lines.

* Single-Phase Grounding Hazard Protection: The circuit breakers provide protection against faults such as single-phase grounding, reducing the risk of electrical hazards.

CYW1 Series Air Circuit Breakers Features

Suitable for Distribution Networks: The CYW1 series air circuit breakers are specifically designed for distribution networks operating at an AC frequency of 50Hz or 60Hz. They are capable of handling rated voltages of 400V or 690V and rated currents up to 6300A.

Intelligent and Selective Protection: The CYW1 series circuit breakers are equipped with intelligent protection functions, allowing for enhanced reliability of the power supply and minimizing unnecessary power outages. They also feature selective protection capabilities, ensuring that only the affected portion of the system is isolated during a fault, while the rest of the system remains operational.

Widely Applicable: These circuit breakers find application in various settings, including power stations, factories, ore mountains (especially for 690V systems), and power distribution systems in modern high-rise buildings, particularly intelligent buildings.

Standards Compliance: The CYW1 series air circuit breakers conform to international standards, including IEC60947-2 and the GB/T14048.2-2008 standard.

In summary, the CYW1 series air circuit breakers are designed for distribution networks and offer protection against overload, undervoltage, short circuits, and other electrical faults. They incorporate intelligent and selective protection functions, improving the reliability of the power supply and minimizing power outages. These circuit breakers have a wide range of applications and comply with recognized international standards.

CYW1 Series Air Circuit Breakers Specification

Model	CYW1 Series
Number of poles	3/4 Pole
Type	Drawer type; Fixed type
Rated Current Ie (A)	630A-6300A
Rated Voltage Ue (V)	50%In,100%In
Rated insulation Voltage Ui (V)	1000V
Rated ultimate short circuit breaking capacity(kA)	Icu=120kA 400V 80kA 690V Ics=Icw=50kA 400V 40kA 690V
Fixed disconnection time	20~32ms
Electric life	1000
Mechanical life	10000
Connection performance	Horizontal,Vertical

CYM1DC series DC moulded case circuit breaker

qbkg — Tue, 03 Jun 2025 06:04:17 +0000

CYM1DC series DC moulded-case circuit breaker ( hereinafter referred to as circuitbreaker ) is suitable for DC systems of rated voltage up to and including DC 1000V andrated current 10-800A , used to distnbute electric power energy , protect circuits andpower equipment against overload , short circuit and so onThe products can be fed with wires from top and bottom and it is polarity-freeIt

CYNSX series moulded case circuit breaker

qbkg — Tue, 03 Jun 2025 02:39:50 +0000

CYNSX series moulded case circuit breaker is one of breaker which adopts international advanced design, manufacture technology to develop. The rated insulating voltage is 750V, suitable for AC 50 Hz(60Hz), rated working voltage 690V or below, rated working current is 12.5A to 630A of circuit and used in distributing electric energy, and non-frequent breaking in the normal conditions, protecting the current & equipment from overload & under voltage, circuit breaker with rated frame current 400A or below, can be used in mousecage motor’s non-frequent start,breaking during working,protecting motor from voerload, short circuit&undervoltade,the product conforms to IEC 60947-2 standard.

Specification

CYM3(ISOMAX) Series Moulded Case Circuit Breaker

qbkg — Mon, 02 Jun 2025 12:37:31 +0000

CYM3(ISOMAX) Series Moulded Case Circuit Breaker CYM3 series moulded case circuit breaker, applicable circuit of AC 50Hz(or 60Hz), rated insulation voltage 690V(CYM3-125 500V), rated operating voltage AC 690 or below, rated operating current 12.5-800A,for distribute energy of electric and infrequent making and breaking circuitin normal condition. The circuit breakers are provided with the function of the protection againstoverload and short circuit and under-voltage. The circuit breakers comply with standard of IEC60947-2. The circuit breakers are douple insulating(lnm=400Aor above),the control circuit of the accessories is set apart with the main circuit, and doesn’t need to open the cover of the circuit bresker when install the accessories.

Specification

CYM3T(TMAX) Series Moulded Case Circuit Breaker

qbkg — Mon, 02 Jun 2025 11:39:52 +0000

SACE T Generation moulded-case circuit-breakers guarantee an extremely high-performance level while being progressively smaller in size, simple to install and able to provide increasingly better safety guarantees for the operator.

In addition to being ideal for the secondary distribution of alternate and direct current, they feature dedicated solutions for all application requirements.?

Moulded-case circuit-breakers can be used in low voltage civil and industrial installations with 1 to 3200 A operating current. The SACE T Generation family includes 9 circuit-breaker sizes in three- or four-pole versions:
– XT1, XT2, XT3 and XT4 up to 250A;
– T4, T5 and T6 up to 1000A
– T7 and T8 up to 3200A.

The ultimate short-circuit breaking capacity (Icu) at 415V ranges from 18kA to 200kA, or up to 100kA for 690V.

The following ranges are available:
– Circuit-breakers for AC and DC power distribution;
– Circuit-breakers for zone selectivity;
– Circuit-breakers for motor protection;
– Circuit-breakers for up to 1150V AC and 1000V DC applications;
– Switch-disconnectors.

All SACE T Generation circuit breakers can be enhanced with a vast range of standardized accessories. This convenience not only cuts down on inventory but creates an extremely flexible and easily managed solution.

SACE T Generation circuit-breakers can be equipped with thermomagnetic, solely magnetic or electronic trip units, all of which are interchangeable.

Since assembly instructions are simple, trip units can quickly and easily be replaced; even in the field.

All this makes the circuit-breakers very easy to operate with considerable savings due to rationalized stock management.

solar pv mcb miniature circuit breaker

qbkg — Sun, 01 Jun 2025 08:23:58 +0000

L7-63 product is suitable for sea dials altitude 2000 meters and below above 2000 meters need to drop the easy to use and other special requi-rements please and contact the manufacturer: ambient air temperature 25 degrees to 40 degrees, 24 hours average temperature does not exceed 35 degrees; when the ambient air temperature of more than 40 degrees or below-25 degrees, please contact the manufacturer; can withstand humid air, salt fog and mold affect three defenses( Type).

Apply to the unipolar volume constant DC voltage does not exceed 250VDC. Diode does not exceed 500VDC triode does not exceed 800VDC and a quadrupole does not exceed 1000VDC 1200VDC, rated current 1-63A, rated insulation 500v voltage line, used on buildings and similar places the line facilities of over current protection, can also be used in less frequent break operation. The circuit breaker has small volume, breaking capacity, arcing distance is short, fast closing and installation is convenient wait for a characteristic. This product applicable to non professionals use and do not need to maintain. L7-63 series DC circuit breaker above DC800V products with internal edge connection mode, so that the same user connection mode and 2p products, more convenient for users to install.

Electrical Parameters

Outline Dimension

SPD80, 65(60) series surge protector

qbkg — Fri, 30 May 2025 08:58:28 +0000

XZ-SPD80 , 65 ( 60 ) series surge protector is suitable for low-voltage ACpower distribution 50 / 60HZ , 230 / 400V and below IT , TT , TN-C , TN-S , TN-C-Sand other power supply systems can be connected in parallel on the powerline for equal potential when lightning strikes . Mainly used to protect lowvoltage customer electrical installations from surges caused by atmosphericdischarge ( e.g. to indirect lightning ) or other operating instantaneousovervoltages . As a single voltage limiting device . Products in line with GB18802 . 1 . GB50057 and IEC / EN61643-11 standards.

The SPD has a built-in disconnector . When the SPD fails due to overheating orbreakdown , the disconnector can automatically disconnect it from the powergrid and give an indication signal . The visual window displays green whenSPD is working normally , and red when it disengages.

The protection device shall be installed at the end of the upline ( immediatelyconnected to the downline of the pull-in wire ) required to protect thecustomers equipment , connecting the outer lead ( L ) or neutral lead ( N ) to thegrounding device of the customers equipment . It is installed at the junction ofPZOB / LPZ1 and LPZ2 with 35mm standard guide rail and 2 . 5-35mm coppermulti-stranded wire.

Each front pole of SPD surge protector must be connected in series withXZSCB series surge backup protector or fuse.

Usually installed in the line of low voltage main distribution cabinet , used forthe protection of the secondary power supply equipment , used in the floor ofvulnerable to lightning distribution cabinets , elevator , fire control , networkequipment , such as in the center of the civil building distribution bocomputer , telecom equipment room , elevator , fire control center control roomcable TV room , villa , village resident distribution box , etc

Main technical parameters

Overall dimensions

leakage circuit breaker rccb

qbkg — Wed, 28 May 2025 12:22:24 +0000

Residual current circuit breaker devices provide the function of isolation switching and earth larkage protection of electrical circuits.they open a circuit automatically in the event of an earth fault between phase and earth and /or netural and earth.? A wide rang of current ratings and sensitivities are acailable. suitable for domestic. commercial and industrial applications.

It has the following features:

In complicance with?IEC/EN61008-1
Bilateral busbar wiring capabilities?to adapt to the wider use of premises.

With functions of?fault indicator.

Maximum connecting ability of?35mm2, wiring torque 3.5N *m, applicable to a variety of installing equipments, wiring stronger.