Products
Pneumatic indoor load switch FK(R)N12-12 series
The pneumatic load switch FKN12-12D and the combined device - pneumatic load switch with fuse FKRN12A-12D series are designed for use in three-phase distribution systems of 12 kV and below as control and protection devices for transformers, cables, overhead lines and other power equipment.
Description
marker
Product Description
Pneumatic load switch FKN12-12D and combined device - pneumatic load switch with fuse FKRN12A-12D series are designed for use in three-phase distribution systems of 12 kV and below as control and protection devices for transformers, cables, overhead lines and other power equipment; Particularly suitable for terminal substations of urban and rural networks, as well as for complete kiosk-type transformer substations. Also suitable for control and protection in ring networks and dual-path redundant power supplies.
FKN12-12D series pneumatic type load switch is capable of switching on and off load current and overload current.
A combined device - a pneumatic type load switch with a fuse of the FKRN12-12D series is capable of switching on and off load current, overload current, and also switching off line short circuit current.
| No. | Parameter name | Unit change | FKN12-12D/630-20 | FKN12-12R.D/125-31.5 | |
| 1 | Rated voltage | kV | 12 | ||
| 2 | Rated frequency | Hz | 50 | ||
| 3 | Rated current | A | 630 | 125 | |
| 4 | Lightning impulse test voltage | kV | Relative to ground and between phases: 75, breaking gap: 85 | ||
| 5 | Power frequency test voltage for 1 min | kV | Relative to ground and between phases: 42, breaking gap: 48 | ||
| 6 | Rated thermal current | kA | 20 (4 s) | ||
| 7 | Rated dynamic current | kA | 50 | ||
| 8 | Rated inrush current (peak) | kA | 50 | ||
| 9 | Rated short circuit breaking current | kA | 20 | 31.5 | |
| 10 | Rated transmission current | kA | 1.5 | ||
| 11 | Maximum breaking current (reference value) | kA | 1.8 | ||
| 12 | Breaking capacity for unloaded transformer | kVA | 1250 | ||
| 13 | Rated charging current of cable | A | 10 | ||
| 14 | Number of active load shedding operations | cycles | >100 | ||
| 15 | Duration of load current disconnection due to shock impact | with | >0.06 | ||
| 16 | Thermal resistance current of the grounding blade | kA | 20(2s) | ||
| 17 | Peak thermal current of grounding blade | kA | 50 | 50 | |
| 18 | Drive motor supply voltage | B | AC/DC220,110 | ||
contact us
Related Popular Products
CNK9-12 Series High Voltage High Speed Magnetic Controlled Vacuum Circuit Breaker (Zero Crossing Switching)
The high-speed vacuum circuit breaker with magnetic drive and synchronized zero-cross switching is a key new generation switchgear that combines magnetic technology, synchronized zero-cross switching technology and vacuum arc suppression.
GW4-252 Series Outdoor High Voltage Disconnector
GW4-252kV series outdoor high voltage disconnect switch is an outdoor high voltage electrical equipment for 50Hz three-phase alternating current.
FZNS16-12 Series Indoor Permanent Magnet Vacuum Load Switch
This series of permanent magnet vacuum load break switches adopts high quality vacuum arcing load chambers and is equipped with the most advanced bistable magnetic drives as the main driving element.
High voltage SF6 circuit breaker LW36-252 kV
The LW36-252 high-voltage autogas gas circuit breaker is designed for use in AC power systems with a frequency of 50–60 Hz and a rated voltage of 252 kV.
High-voltage commercial metering station with prepayment type JLZW
This device consists of a high-voltage vacuum circuit breaker type ZW43-12Y, an integrated combined metering station and a prepayment meter control cabinet.
Combined withdrawable device with vacuum contactor and fuse VCNR-12 series
This series of products is a three-phase high-voltage indoor switching equipment with a rated operating voltage of the main circuit of 7.2 kV and 12 kV, frequency 50-60 Hz.
GW9-12 Series Outdoor High Voltage Disconnector 24 40.5
This series of outdoor high-voltage disconnect switches are 50Hz single-phase AC high-voltage switching equipment designed for use in electrical systems with a rated voltage of 10-35kV for switching on or isolating the power supply when no-load voltage is present.
Vacuum contactors JCZ1-JCZ8C-24 kV series
This series of high voltage vacuum contactors adopts high quality vacuum arc chutes combined with metal frame and insulation supports to provide superior breaking performance.
High voltage vacuum circuit breaker support type ZW32-40.5
The pole switch with the integration of primary and secondary equipment ZW32-40.5 (measurement and control device, comprehensive fault isolation) (hereinafter referred to as the “switch”) is an outdoor distribution equipment used at a voltage of 40.5 kV, three-phase alternating current 50 Hz.
Complete pole switch with integration of primary and secondary equipment type ZW32-12 (deep integration)
The complete pole switch with the integration of primary and secondary equipment (support type with deep integration) complies with the requirements of the standardized design scheme set out in Document No. 151 of the Equipment Department of the State Grid Corporation of China.
P25 Liquid ultra-fast charging for UAV
Changzheng New Energy and Technology Co., Ltd. (Henan) introduces three models of high-power lithium batteries for unmanned aerial vehicles. All models are compatible with UAV power systems and equipment with the appropriate electrical parameters.
Low-voltage commercial metering point with prepayment
This product is intended for use in low-voltage distribution lines with a rated frequency of 50 Hz, transformer power 20-315 kVA, rated voltage 400 V and below for prepayment and metering control purposes.
High voltage vacuum circuit breaker ZW32-33F
The ZW32-33F series outdoor high voltage vacuum circuit breaker is designed for use in 50Hz AC three-phase electrical systems with a rated voltage of 33kV for switching load current, overload current and short-circuit current.
High voltage vacuum circuit breaker ZN85-40.5 kV
The high-voltage vacuum circuit breaker for indoor installation ZN85-40.5 (hereinafter referred to as the circuit breaker) is intended for use in three-phase alternating current electrical power systems with a frequency of 50 Hz and a rated voltage of 40.5 kV.
Liquid ultra-fast chargers
The Changzheng New Energy company's own development is the liquid ultra-fast charger CZ-800V/600A. Peak power is 480 kW, in 10 minutes the power reserve is replenished by 400 km. The device has an IP65 protection rating and a CQC five star safety certificate. Suitable for fast charging of all types of passenger and commercial vehicles.
GW4-12 Series Outdoor High Voltage Disconnector 15
This series of outdoor high-voltage disconnect switches is an outdoor high-voltage electrical equipment for 50Hz three-phase alternating current.
-
-
-
-
-
-
whatsapp
-
WeChat
