These motorized load break switches are 11 kv 3 pole motorized load break switch, which can bear high voltage fluctuations. Gw4 series disconnect switches are structured in double columns for single pole, one break, and horizontal rotary opening. Alternative offers for rotating insulator type switches will also be considered. View pdf catalogues and other online documentation. Installation possibilites for full remote control automation or automation can be retrofitted at a later date. We are instrumental in offering a wide range of load break switch, which offers excellent performance. Such breakers are used for low voltages, generally up to 15kv and rupturing capacities of 500mva.
You have clicked a page that seems to be very popular. Indoor voltage in kv phase to earth in mm phase to phase in mm 0. These automatic switches provide the features of traditional load break switches and sectionalisers, plus the bene. The switch is intended for switching of the transformer, overhead lines and cables from distribution system. Abb medium voltage products air insulated primary switchgear, iec type air insulated primary switchgear unigear range and zs8. Gang operated air break switch suppliers post insulators. Air break switch manufacturers, suppliers, gang operated switches. Air break switches brochure ak power solutions pty ltd quality endorsed company asnzs iso 9001. The rigidity in the high strength spar prevents flexing in the switch frame, providing reliable long term contact alignment. Air break switch ab switch 9 insulator 11kv manufacturer. Gang operated air break switch application the triple pole air break switch is gang operated and designed for outdoor application. In an electric power system, switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. The air break switch is mostly installed in the distribution network as a switching point. Interlocks ensure that the switch and fuse compartment remains closed until the switch is opened.
Horn gap fuse unit 11kv hg fuse 11kv polymeric type dropout fuse solid core. Gang operated air break isolating switch the triple pole air break switch is gang operated and designed for outdoor. It interrupts the small excitation current of a transmission line or the capacitive charging current. This circuit breaker uses both sf 6 and air as insulation. Abb medium voltage outdoor switches and disconnectors offering provides all solutions up to 38kv for disconnection, load break operation or automatic sectionalizing of overhead lines to allow grid optimization and smart grid, whether it is with sf6 insulation or air insulation, manually operated, motor operated or automatic scheme configuration with communication capabilities. All products are available in voltages from 11kv to 36kv and ratings up to. Reclosers, sectionalizers and load break switches our mv reclosers use solid dielectric technology, rated up to 38kv and designed for standard or advanced smartgrid applications. Air break switch is an essential unit of all overhead power transmission lines which is mainly used for connect or disconnect onoff switching the power system of a certain part of overhead line and transformer from the main distribution line. Current interruption using high voltage airbreak disconnectors. The operating mechanism shall be suitable for manual operation from the ground level and shall be so designed that all the three phases shall open or close simultaneously. Switch have triple pole construction and shall be suitable for. Medium voltage switches, disconnectors and isolators the worlds most successful range of switches for indoor, outdoor overhead and outdoor underground applications up to 40. The operating mechanism shall be suitable for manual. Switch set shall be the gang operated rotating single air break type having 2 post insulators per phase.
This specification covers manufacturing testing and supply of 11kv 200 amps 50hz air break switches for outdoor installation in horizontal configuration. The operating mechanism shall be suitable for manual operation from ground level by one. The switches are suitable for operation under off load conditions only and are intended for use on. This section of the live working manual deals with the general. Load break switch power control electro systems pvt ltd. The maximum voltage for the switches is up to 35kv. Most overhead line networks are designed so that when a fault occurs or maintenance work needs to be carried out it is relatively simple, by means of a systematic series of switching operations, to isolate a certain section of the overhead line. Operation of the hv ac system up to and including 33kv. Air break switch suppliers, ab switch manufacturers, 11kv 22kv 33kv ab switch price list, 100a 200a 400a 800a 1250a ab switch companies, spares parts. Switch have triple pole construction and shall be suitable for vertical. This fuji feature adds to the safety of the electrical system.
Exporter of air break switches 11kv 200a ab switch, 11kv 400a ab switch, 33kv 400a ab switch and 33kv 1200a ab switch offered by topline switchgear private limited, gandhinagar, gujarat. Go switch 33kv polymeric type 900mm cd go switch 6 insulator 11kv air break switch 6 insulator 11kv polymeric type ab switch 9 insulator 11kv. Abb medium voltage products airinsulated primary switchgear, iec type airinsulated primary switchgear unigear range and zs8. The switch whose contacts open in the air and quenching of an arc achieves by compressed air, such type of switch is called an air break switch. The air break switches install in outdoor and mainly use for switching and isolation. A section of a large switchgear panel, in this case, used to control onboard casino boat power generation. Operation of the hv ac system uo to and including 33kv. Sirco mot at are motorised multipolar load break switches.
Line post insulator we offer a wide range of line post insulators. Ab switches 11kv air break switch goab switch manufacturer. This specification details the product range, design, constructional and technical requirements for air break switch disconnectors for 11kv, 20kv and 33kv overhead lines. Nps001003 technical specification for 11kv, 20kv and 33kv overhead line air break switch disconnectors 4. Alibaba manufacturer directory suppliers, manufacturers. The air break switch is operated manually when their handle is placed on a. Air break switch is used to connect disconnect the power system of a certain part of overhead cable and transformer from the main power line. Air break switch manufacturers, suppliers, gang operated. Load break switch motorized load break switch exporter. Northern powergrid currently has a preference for a single design of disconnector that is suitable for use on both the 11kv and 20kv systems.
The type of the 11 kv and 22 kv circuit breaker shall be vcb and insulating medium for load break isolators, earth switch, 11 kv and 22 kv buses and other associated equipments should be sf6 gas. The switches are suitable for operation under offload conditions only and are intended for use on. These interrupters increase the load break capability of the disconnect switch and can be applied for switching load or. Load break switchsectionaliser with advc controller. Air break switch, ab switch manufacturers, 11kv 22kv 33kv. Mv overhead switch disconnectors mv switches, disconnectors. The air break switch is operated manually when their handle is placed on a ground level. Air break switches air break switch with dropout fuse. Air type load break switch interrupter switch emts air type load break switch interrupter switch with the arc unit of the peerfect extinction performance are distribution level gang operated side break switches for 15kv through 25kv on the overhead distribution feeders and outdoor distribution substations. Our 11kv air break switch is made with precision and our quality guidelines are as per the international quality standards to ensure cost effectiveness and high value to our esteemed clients. This specification covers manufacturing, testing and supply of 11kv 200amp. Loadbreak switch all industrial manufacturers videos.
Can be used for single or three phase ap plications. Features single break type with 2 or 3 post insula tors per pole depending on requirements of the customers. Air break switches ab switch latest price, manufacturers. These interrupters increase the load break capability of the disconnect switch and can be applied for switching load or fault currents of the associated equipment. Moreover, these switches are widely used in the electric and power supply industry. Sep 08, 2015 air break switch disconnectors are a vital part of any overhead line network, providing crucial points of isolation. Our 11kv air break switch 6 insulator polymeric type is made using cutting edge technology operated by highly skilled technocrats.
If air load break switches do not have this striker feature it is possible for some of the phases to remain alive after the fuse has blown, so resulting in a dangerous situation. In order to deflect or inhibit the flow of current from one conductor to another, these switches are used to break a circuit. It is more effective and reliable as compared to another switch. Air break switch manufacturers, definition, specification. Square ds hvl is the original open air switchgear for visual confirmation of load interruption. Robust sturdy design with bottom ms channel of adequate dimensions which imparts requisite strength.
Gw4 double column center break disconnect switch gw4 double column center break disconnect switch conductive rod contact finger. Traditional load break air switch with power fuse protection for power distribution. We are an approved vendor in most discoms in india also supplied material in different part of africa. Plain break type air break circuit breaker or crossblast air circuit breaker. The air acts as a dielectric medium for the airbreak switch. As the contacts are opened, arc is drawn between them. An air switch can be modified to include a series interrupter typically vacuum or sf6 for higher voltage and current interrupting levels.
The switch whose contact open in the air and quenching of an arc achieve by compressed air, such type of switch is called an air break switch. Distribution and substation 11kv24kv sf6 gas insulating load break switch. Air break switch disconnectors are a vital part of any overhead line network, providing crucial points of isolation. Mv switches, disconnectors and isolators apparatus abb. We can supply voltage ratings of 11kv, 22kv or 33kv, the option to have flickers is rated at 600amp with optional load breaks we manufacture our abss to the customers requirements if you require them to be longer, shorter, vertical or any other configuration, please contact us to discuss. Available with our latest solutions for protection, control and monitoring, providing optimum performance and reliability in a lightweight design. Scope this specification details the product range, design, constructional and technical requirements for air break switch disconnectors for 11kv, 20kv and 33kv overhead lines. A medium voltage air break switch disconnector from a specialist secondary switchgear provider lucy electric. Thanks to their remotely operated control, they make and break under load conditions and provide safety isolation for any low voltage electrical circuit. Load break switch motorized load break switch exporter from. The air break switches can be fully welded or have adjustable phase poles. Air break switches 11kv 200a ab switch exporter from.
Exporter of air break switches 11kv 200a ab switch, 11kv 400a ab switch, 33kv 400a ab switch and 33kv 1200a ab switch offered by topline. Up to 36kv air break switch disconnectors lucy electric. The range also finds application in substations to insulate high voltage switching gear and transformers. The electrical control is ensured by voltfree contacts using either an impulse or contactor logic. There are four types of acbs used in the control and protection to maintain and stable operation of switch gears and indoor medium voltage.
Nps001003 technical specification for 11kv, 20kv and 33kv. Air circuit breaker has several advantages over the oil, as an arc quenching medium. B p1 overview ak power solutions has been a major supplier of all air break switches installed in australia over the past 17 years. Air break switches, suitable for vertical mounting on structures 6 meters above ground level fitted with 2 no. The recommended phase spacing is 760 mm centre to centre. Air break circuit breaker in air break circuit breaker the arc is initiated and extinguish in substantially static air in which the arc moves. Horizontal or vertical mounting on standard steel work, both pole top and underline with options ranging from 12kv, 24kv and 36kv. Manufacturer of ab switches 11kv air break switch goab switch, disconnecting switch 11kv, rotating type goab switch 112233kv and composite. The construction of our air break switches consists of a rigid spar frame with removable poles. High voltage disconnect switches ge grid solutions.
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