Name: ABB-SaferingSafeplus-V
Brand: hzkd-power
Rating: 5 (1 reviews)

Description

Desciption

Common features

All modules share many common features. These are described in the chapter “SafeRing/SafePlus configurations”.

Standard features

630 A vacuum circuit-breaker forfeederprotection
Twoposition double springmechanism for vacuum circuitbreaker
Threeposition disconnector/earthing switchdownstream vacuum circuit-breaker
Threepositioning single springmechanism for disconnector/earthing switch
Interlockingbetweenvacuum circuit-breaker and disconnector/earthing switch
Switch positioning indication for vacuum circuit-breaker and disconnector/earthing switch
Self-powered electronicprotectionrelay with ring core CTs on cables
Trip coil(forrelay tripping)
Cablebushingshorizontally in front; Interface C (400 series bolted) for 630 A vacuum circuit- breaker with integrated capacitor for voltage indication

Optional features

Cablebushings:

Interface C (400 series bolted) combisensors with integrated voltage divider for voltage indication and integrated sensor for current and voltage monitoring

Arcsuppressor
Signal(1NO) from internalpressure indicator wired to terminals (only one each SF6 tank)

Optional features also available as retrofit

Motor operation forvacuumcircuit-breaker
Auxiliary switches; Vacuum circuitbreaker

position 2NO+2NC, disconnector position

2NO+2NC, earthing switch position 2NO+2NC and vacuum circuit-breaker tripped signal 1NO

Blockingcoil
Undervoltagerelease with/without time delay

Technical data

Vacuum circuit-breaker
Rated voltage	kV	12	17.5	24
Power frequency withstand voltage	kV	281)	38	50
Impulse withstand voltage	kV	95	95	125
Rated normal current	A		630
Breaking capacities:
• short-circuit breaking current kA 21 16 16
Making capacity kA 52.5 40 40
Short time current 3 sec. kA 21 16 16
Number of mechanical operations 2000 close/open manual
Electrical and mechanical classes E2, C2, S1, M1
Operation sequence O - 3 min - CO - 3 min - CO
Earthing switch downstream
Rated voltage kV 12 17.5 24
Power frequency withstand voltage kV 281) 38 50
Impulse withstand voltage kV 95 95 125
Making capacity kA 52.5 40 40
Short time current 3 sec. kA 21 16 16
Number of mechanical operations 1000 close/open manual
Electrical and mechanical classes E2, M1