Key parameters for each item. Full data tables and drawings are in the PDF catalogue.
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LW36-126
Outdoor SF6 circuit breaker with self-blast arc quenching and spring-operated mechanism for 126 kV, 50 Hz networks. It switches rated and short-circuit currents for line control and protection and can also serve as a bus-coupler breaker.
LW38-252
Three-phase outdoor SF6 circuit breaker for 252 kV, 50 Hz substations and transmission lines. It makes and breaks rated and short-circuit currents and supports fast auto-reclosing.
LW30-72.5(126)T/T3150-40
Outdoor dead-tank SF6 circuit breaker with built-in current transformers and spring-operated mechanism for 72.5 (126) kV, 50 Hz networks. Suited to new and refurbished substations, including seismic regions and cold climates.
GW4
GW4 series outdoor disconnectors for opening and closing energised lines under no-load conditions. Each pole has two rotating porcelain insulator columns with a horizontal centre-break blade.
GW7-72.5
Outdoor three-phase, three-column double-break disconnector with earthing switch for 72.5 kV networks. Used to switch lines under no-load conditions and to provide visible isolation of equipment under maintenance from live parts.
GN19-12 · GN19-12C
Indoor disconnectors for AC networks of 12 kV and below, 50 Hz. Operated by a CS6-1 manual mechanism to open and close energised circuits under no-load conditions; version C is a wall-bushing type.
GN30-12 · GCD-12 · GW9-12
Range of 12 kV disconnectors: GN30-12 indoor rotary disconnector and GCD-12 and GW9-12 outdoor disconnectors.
LB7-110 · LB7-110W2
Oil-immersed current transformer with capacitor-graded oil-paper insulation for current measurement, energy metering and relay protection in 110 kV, 50 or 60 Hz networks. Two transformation ratios are selected by reconnecting links outside the expansion tank.
TYD110/√3-0.02-H
Outdoor capacitor voltage transformer for voltage and power measurement, automation and relay protection in 50 Hz HV and EHV networks; also serves as a coupling capacitor for power-line carrier communication. A fast-saturating reactor damper effectively suppresses ferroresonance.
JDJ2-35
Single-phase oil-immersed 35 kV voltage transformer with porcelain housing for voltage measurement and supplying metering and protection circuits.
PT / CT
Range of cast-resin and oil-immersed voltage and current transformers, plus high-voltage metering units, for indoor and outdoor installation.
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Y5W, HY10WZ
Gapless metal-oxide surge arresters in polymer (composite) housing. Connected in parallel with line and substation equipment to protect it against lightning and switching overvoltages.
MOA
Zinc-oxide (metal-oxide) surge arresters for AC generation, transmission and distribution systems up to and including 220 kV. They limit lightning and switching overvoltages and form the basis of equipment insulation coordination.
RW12 · RW12-15 · RW12-35 · RW33-15 · RW12-15F
Outdoor high-voltage drop-out fuses and load-break drop-out fuses, installed on the HV side of distribution transformers or on line tee-offs to protect against short circuits and overloads. On operation the fuse carrier drops open, providing a visible isolating gap.
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RW12-15
Outdoor RW12-15 drop-out fuse cutout protecting distribution transformers and overhead line tee-offs at 12(15) kV against short circuits and overloads.
RW12-35
Outdoor RW12-35 drop-out fuse cutout protecting distribution transformers and overhead line tee-offs at 35 kV against short circuits and overloads.
RW33-15
Outdoor RW33-15 drop-out fuse cutout protecting distribution transformers and overhead line tee-offs at 12(15) kV against short circuits and overloads. Fitted with a pressure-relief cap for increased breaking capacity.
RW12-15F
Outdoor RW12-15F drop-out fuse cutout protecting distribution transformers and overhead line tee-offs at 12(15) kV against short circuits and overloads. An arc chute made of flame-retardant ABS confines and de-ionises the arc.
HY5W · HY5WR · HY5WZ · HY5WS · HY1.5W
Range of surge arresters for distribution networks, substations and low-voltage distribution systems.
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SCB10, SCB13
Three-phase dry-type power transformers with epoxy-resin cast windings and foil LV winding. Designed for sites with stringent fire-safety requirements and indoor power distribution systems.
ZCW10-126
Open-type compact switchgear assembly with air external insulation and SF6 arc quenching for control and protection of three-phase 126 kV networks. The circuit breaker, current transformers and busbars are integrated on a common steel structure, requiring only 30–50 % of the area of a conventional layout.
KYN28-12
Indoor metal-clad switchgear with withdrawable vacuum circuit breakers for three-phase 3.6–12 kV, 50 Hz systems. Used for receiving and distributing power and for control, protection and monitoring of circuits, with full mechanical and electrical interlocking.
KYN61-40.5 · HXGN15-12 · HXGN17-12 · XGN66-12 · SRM16-12 · XGN-12 · TBBZ-12 · DFW-12 · DFWK-12
Switchgear range including metal-clad withdrawable units, compact and gas-insulated ring main units, fixed-type cubicles, plus a reactive power compensation unit and cable distribution cabinets.
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GGD (GGD1, GGD2, GGD3)
Fixed-type low-voltage switchboards for 380 V, 50 Hz AC systems in power plants, substations and industrial facilities, used for power distribution and control of power, lighting and distribution equipment.
ZW32-40.5
Outdoor vacuum circuit breaker with solid-insulated embedded poles for 40.5 kV overhead distribution networks. It switches load, overload and short-circuit currents and is maintenance-free over its service life.
ZW32-12F · ZW32-12FG
Vacuum circuit breaker installed at the customer boundary point or on a tee-off of a 12 kV overhead feeder. It automatically isolates faults in the customer network (short circuits, single-phase earth faults) so that the rest of the feeder stays energised.
ZN63A(VS1)-12
Indoor vacuum circuit breaker for three-phase 12 kV, 50 Hz networks, used for protection and control of utility and industrial equipment. Integrated breaker and operating mechanism, available in fixed or withdrawable (truck) versions.
FW-630A
SF6-insulated pole-mounted load break switch for 12/24/40.5 kV overhead distribution lines, switching load and overload currents and able to automatically sectionalise a faulted line section. Manual, motor and remote operation via an electronic controller.
FZW32-40.5/T1250-25
Outdoor vacuum load break switch with mechanically linked disconnector for three-phase 40.5 kV, 50 Hz networks. Arc interruption takes place in vacuum interrupters, and a visible isolating gap is formed on opening.
FKN12-12 · FKRN12-12
Indoor 12 kV load break switch with compressed-air (puffer) arc quenching, switching load, closed-loop, transformer magnetising and charging currents. FKRN12-12 is a switch-fuse combination capable of interrupting any current up to the short-circuit current.
FZ(R)N25-12 · JN15-12/31.5 · JN22-40.5/31.5 · JN22B-40.5/31.5
Range comprising the FZ(R)N25-12 vacuum load break switch and the JN15-12, JN22-40.5 and JN22B-40.5 indoor high-voltage earthing switches.
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YB□-12/0.4
Prefabricated transformer substation combining HV switchgear, power transformer and LV switchboard in one enclosure. Used in urban distribution networks, industrial and infrastructure facilities and for temporary power supply.
YB□-12
American-type pad-mounted compact transformer substation; presented in the catalogue with photographs of available versions.
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CW(L)B · CWW(L) · FGWB · PD · XP · XWP · S(C) · ZSW · ZS · ZW · ZA · ZB · ZC · ZD · ZL · LXP
Indoor and outdoor wall bushings, pin insulators, porcelain and toughened-glass cap-and-pin suspension insulators, line post insulators, and indoor and outdoor station post insulators.
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