ABB HD4/R - 5.7.5 General specifications of fixed circuit-breakers with rh lateral operating mechanisms for ABB UniSec switchgear (12 - 17.5 - 24 kV)

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5.7.5 General specifications of fixed circuit-breakers
with rh lateral operating mechanisms for ABB UniSec switchgear (12 - 17.5 - 24 kV)
Circuit-breaker HD4/R-SEC 12 HD4/R-SEC 17 HD4/R-SEC 24
Standards
IEC 62271-100
• • •
CEI EN 62271-100
(dossier 7642)
• • •
Rated voltage Ur[kV] 12 17.5 24
Rated insulation voltage Us[kV] 12 17.5 24
Withstand voltage at 50 Hz Ud(1min)[kV] 28 38 50
Impulse withstand voltage Up[kV] 75 95 125
Rated frequency fr[Hz] 50-60 50-60 50-60
Rated thermal current (40°C) Ir[A] 630 800 630 800 630
Rated duty breaking capacity
(symmetrical rated short-circuit current)
Isc[kA]
12.5 12.5 12.5 – 12.5
16 16 16 16 16
20 20 20
(5)
20
(5)
20
25 25 – – –
Short-time withstand current (3 s)
Ik[kA]
12.5 12.5 12.5 – 12.5
16 16 16 16 16
20
(3)
20 20
(5)
20
(5)
20
25
(4)
25
(4)
– – –
Making capacity Ip[kA]
31.5 31.5 31.5 – 31.5
40 40 40 40 40
50 50 50 50 50
63 63 – – –
Sequence of operations [O-0.3s-CO-15s-CO]
• • •
Opening time [ms] 45 45 45
Arcing time [ms] 10...15 10...15 10...15
Total break-time [ms] 55…60 55…60 55…60
Closing time [ms] 80 80 80
Overall dimensions
(maximum)
H[mm] 740 740 740
L[mm] 315 315 315
D[mm] 1049 1049 1049
Polecenter-distance[mm] 230 230 230
Weight
(1)
[kg] 103 103 103
Absolute gas pressure (nominal duty value) [kPa] 380 380 380
Application of PR521 protection device In[A] application not available
Application of REF 601 protection device
•
(2)
•
(2)
•
(2)
Standardized dimensions table 1VCD003536 1VCD003536 1VCD003536
Wiring diagram with / without REF 601 1VCD400119 1VCD400119 1VCD400119
Operating temperature [°C] - 5 ... + 40 - 5 ... + 40 - 5 ... + 40
Tropicalization IEC:60068-2-30,60721-2-1
• • •
Electromagnetic compatibility IEC 62271-1
• • •
(1)
increase the indicated weight by 20 kg for circuit-breakers with REF 601 devices and 3 current sensors (15 kg only with 2 current sensors)
(2)
the REF601 device and the current sensors are available on request. The rated current of the REF 601 must be set in the relay and must be compatible with the rated current of the
circuit-breaker.TheratedcurrentthatcanbesetwithCEI0-16is80Aor250A.WiththeCEI0-16versionofREF601,thecircuit-breakerisalwayssuppliedwith3phasesensors
(Rogowskycoils)onthecircuit-breakeritself,one40/1Aclosed-coretoroidalTAanda-MUundervoltagereleaseforrelay-controlledopening  
(3)
at12and17.5kVandat630Aratedcurrent,theratedshort-timewithstandcurrentis20kAfor1second    
(4)
at12,theratedshort-timewithstandcurrentis25kAfor2seconds     
(5)
at17.5kV,thebreakingcapacityis21kAandtheratedshort-timewithstandcurrentis21kAfor3seconds     
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L
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