Category
10kV-24kV Indoor Load Break Switch, VACF18
1. General description
VACF18 load break switch offers switchgear owners and assemblers the advantages of advanced interrupting technology and proven, dependable performance in a compact design. The switch is available to switchgear assemblers as a building block for metal-enclosed and pad-mounted switchgear applications in ratings from 12 up to 24kV.
The standard VACF18 switch includes a steel frame with stand-off insulators, a unique puffer-type arc extinguishing system, an operating mechanism and current-carrying components, including blade-type interrupters with cast hinges and jaw connectors.
Optional accessories and features include a variety of operating handles, a motor operator, auxiliary switches, a shunt trip device, fuse bases, mechanical fuse tripping, grounding switches, mechanical door interlocking and key interlocking.
The Technical Specifications of this vacem indoor load break switch define its electrical and mechanical parameters for medium-voltage switchgear applications. The vacem middle voltage load break switch model VACF18 offers switchgear owners and assemblers the advantages of advanced interrupting technology and proven, dependable performance in a compact design, available in ratings from 12kV up to 24kV. This reliable load break switch includes a steel frame with stand-off insulators, a unique puffer-type arc extinguishing system, an operating mechanism, and current-carrying components including blade-type interrupters with cast hinges and jaw connectors. As a load break switch, the VACF18 is available to switchgear assemblers as a building block for metal-enclosed and pad-mounted switchgear applications. This vacem indoor load break switch supports optional accessories including a variety of operating handles, a motor operator, auxiliary switches, a shunt trip device, fuse bases, mechanical fuse tripping, grounding switches, mechanical door interlocking, and key interlocking. The vacem middle voltage load break switch is rated at 12kV and 24kV with 630A current, featuring rated short-circuit making current of 50kA peak and rated peak withstand current of 50kA. Each reliable load break switch undergoes rigorous testing to ensure dependable performance in demanding distribution networks.
2. Main technical parameter
Item | Unit | Data | |
Rated voltage | kV | 12 | 24 |
Rated current | A | 630 | 630 |
Rated power frequency | Hz | 50/60 | 50/60 |
Rated short-circuit making current | kA Peak. | 50 | 50 |
Rated peak withstand current | kA Peak. | 50 | 50 |
Short time withstand current: 1 Sec. | kA eff. | 31.5 | 25 |
Short time withstand current: 2 Sec. | 25 | 25 | |
Short time withstand current: 3 Sec. | 20 | 16 | |
IEC 62271-105(IEC 420 1990-11)Max.breaking current in co-operation with fuses IEC 62271-105(IEC 420 1990-11) | A | 1600 | 900 |
Max.fuse current(XRNT Fuse) | A | 200 | 200 |
Rated power frequency withstand voltage (50Hz 1min) | |||
-To earth and between phase | kV | 42 | 65 |
-Between fracture | kV | 48 | 79 |
Impulse withstand voltage (1.2/50μs) | |||
-To earth and between poles | kV | 75 | 125 |
-Between fracture | kV | 85 | 145 |
Mechanical life | times | 2000 | 20 |
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