24kv 50Hz/60Hz Indoor Vacuum Circuit Breaker for Distribution Panel

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: VS1
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
• Certification: ISO9001-2000
• Transport Package: Wooden Case
• Specification: 24kv
• Trademark: HEMG
• Origin: China
• Production Capacity: 50000

Product Description

 

item	Description	Unit	PEDEEE Requirements	Bidder Specification
1	Manufacturer reputation/skills/quality check			HEMG
2	ISO9001 Certificate			ISO
3	Type of circuit breaker			VACUUM
4	Type designation			INDOOR
5	Rated frequency	Hz	60	60
6	Rated voltage highest system voltage Minimum service voltage	kV kV	17              20	24              20
7	Rated normal current at 50ºC ambient temperature for outgoing bay b)  for incoming bay	A      A	≥630 ≥1250	≥630 ≥1250
8	Rated breaking current capacity Symmetrical kA (rms) DC Component %		20	25
9	Rated peak making current, kA (peak)		≥62.5	≥62.5
10	Rated peak short-circuit current, kA (peak)			50
11	Rated short time current 1 sec, kA (rms) 3 sex kA (rms)		≥25	≥25
12	Rated line charging breaking current	A
13	Rated cable charging breaking current	A		25
14	Rated small inductive breaking current	A
15	Rated breaking current under out of phase conditions	kA		17.4
16	Restricting voltage rated of rise (RRRV), kV/Microsecond Peak, kV(peak)
17	Fist pole to clear factor			1.5
18	One minute power frequency withstand voltage phase to earth, kV(rms) across open contacts, kV (rms)		≥50 ≥50	65 65
19	Lighting impulse withstand voltage 1.2/50 microsecond		≥125	125
20	Rated operating sequence			O-0.3s-CO-180s-CO
21	Capacity to make			75
	High speed three phase auto recluse
22	Minimum time between each successive break/make operation	Sec		≤2
23	Opening time (until separation of the arcing contacts without current with 100% rated breaking current	ms ms		50 50
24	Maximum total break time (until total are extinction)	ms		≤50
25	Maximum time interval between opening of the fist and last phase	ms		≤2
26	Maximum time interval between opening of the interrupters of one phase (if any)	ms
27	Make tine without current with 100% rated making current	ms ms
28	Maximum total make time (closing initiation to latching of circuit breaker in fully closed position)	ms		≤75
29	Maximum time between closing of  fist and last phase	ms		≤2
30	Maximum time interval between closing of interrupters of one phase	ms
31	Dead time	ms	≤300	≤300
32	Maximum peak value of switching over voltage when interrupting rated line charging current, kV(peak)
33	Radio influence voltage (RIV) measured at rated voltage to earth, micro V
34	Devices used to limit transient recovery voltages
35	Creepage distance to earth across terminals
36	Operating mechanism type operating voltage Rated,/rage	VDC %	220,110 -20 +10	220,110 -20 +10
37	Closing release coil rated operating voltage minimum operating voltage maximum operating voltage rated power	VDC % % W	220,110 -20% +10	220,110 -20% +10
38	Trip  release coil rated operating voltage minimum operating voltage maximum operating voltage Rated Power	VDC % % W	220,110 -30% +10%	220,110 -30% +10%
39	Distance:  Between phases (between the centers of the two phases "e8" in the attached drawing Between alive part and earth			275mm
40	Weight of circuit breaker  total  Heaviest part to be lifted during maintenance or repair producer			138kg
41	Type certificate details: testing station/authority certificate number applied standards the technical specification doesn't mention on the supply of C.B cradle			YES
42	The interrupter vacuum cubicle/country of origin			CHINA