24kv Dead Tank Vacuum Circuit Breaker for Substation

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
• Model NO.: ZW39A
• Certification: ISO9001-2000, CE
• Transport Package: 1PC/Pk
• Specification: 15KV-24KV-33KV
• Trademark: HEMG
• Origin: China
• Production Capacity: 1000

Product Description

TECHNICAL SPECIFICATIONS CIRCUIT BREAKER TANK DEAD 24kV
ITEM	FEATURES	UNITS	REQUESTED	OFFERED
1	Type of circuit breaker required		Dead tank - Vacuum	Dead tank - Vacuum
2	Installation Site		Outdoor, 1000 meters above sea level	Outdoor, 1000 meters above sea level
3	Number of poles		3	3
4	Rated operating voltage	kV	13.8	24
5	Rated operating voltage	kV	24	24
6	Dielectric rigidity to atmospheric impulses at sea level	KVpk	125	125
7	Dielectric rigidity at industrial frequency at sea level	kV	50	65
8	Minimum leakage distance of the insulation	mm	500	600
9	Nominal frecuency	Hz	60	60
10	Rated current	A	2000	2000
11	Nominal line interruption current	A	16	10
12	Rated short circuit interruption capacity
	a) Effective value of the alternating component	kArms	25	25
	b) Effective value of the continuous component	%	32	49
13	Opening factor of the first pole		1	1.5
14	Rate for increasing the recovery voltage to 100% of the interruption capacity	kV/µs	0.81	1.05
15	Nominal short-circuit capacity	kA	65	80
16	Nominal sequence of operation		0-0,3s-CO-15s-CO	0-0,3s-CO-180s-CO
17	Nominal short circuit duration	s	1	4
18	Nominal interruption capacity in phase mismatch	kA	5	7.9
19	Maximum total interruption time	ms	50	60
20	Maximum dead time for high speed reclosing	ms	100	100
21	Adjustment range for reclosing	ms	330	300
22	Mechanism of operation (closing and firing)		motor - spring	motor - spring
23	Mechanical endurance class		M2	M2
24	Control voltage / motor voltage		125	220
25	Insulators material		Porcelain	Porcelain
26	Connector suitable for copper cable per pole:	kcmil	250 - 800MCM	250 - 800MCM
27	Local control panel
27.1	Degree of protection		IP55	IP55
27.2	Equipped with heating controlled by humidity detector (YES / NO)		YES	YES
27.3	Interior lighting (YES / NO), control by door switch		YES	YES
27.4	Opening and closing controls, electrical and mechanical		YES	YES
27.5	Terminals for signal acquisition for the SCADA system		YES	YES
28	As it is of the dead tank type, it should be included in the supply of the same types of bushings current transformers, the one for protection (25VA 5P20) and the other for measurement (25VA Cl. 0.2) The ratio of the current transformers must be multirrelation 2000/5 ANSI C57.13 standard for which you must attach the catalog and respective plans.

 

TECHNICAL SPECIFICATIONS CIRCUIT BREAKER TANK DEAD 24kV
ITEM	FEATURES	UNITS	REQUESTED	OFFERED
1	Type of circuit breaker required		Dead tank - Vacuum	Dead tank - Vacuum
2	Installation Site		Outdoor, 1000 meters above sea level	Outdoor, 1000 meters above sea level
3	Number of poles		3	3
4	Rated operating voltage	kV	13.8	24
5	Rated operating voltage	kV	24	24
6	Dielectric rigidity to atmospheric impulses at sea level	KVpk	125	125
7	Dielectric rigidity at industrial frequency at sea level	kV	50	65
8	Minimum leakage distance of the insulation	mm	500	600
9	Nominal frecuency	Hz	60	60
10	Rated current	A	2000	2000
11	Nominal line interruption current	A	16	10
12	Rated short circuit interruption capacity
	a) Effective value of the alternating component	kArms	25	25
	b) Effective value of the continuous component	%	32	49
13	Opening factor of the first pole		1	1.5
14	Rate for increasing the recovery voltage to 100% of the interruption capacity	kV/µs	0.81	1.05
15	Nominal short-circuit capacity	kA	65	80
16	Nominal sequence of operation		0-0,3s-CO-15s-CO	0-0,3s-CO-180s-CO
17	Nominal short circuit duration	s	1	4
18	Nominal interruption capacity in phase mismatch	kA	5	7.9
19	Maximum total interruption time	ms	50	60
20	Maximum dead time for high speed reclosing	ms	100	100
21	Adjustment range for reclosing	ms	330	300
22	Mechanism of operation (closing and firing)		motor - spring	motor - spring
23	Mechanical endurance class		M2	M2
24	Control voltage / motor voltage		125	220
25	Insulators material		Porcelain	Porcelain
26	Connector suitable for copper cable per pole:	kcmil	250 - 800MCM	250 - 800MCM
27	Local control panel
27.1	Degree of protection		IP55	IP55
27.2	Equipped with heating controlled by humidity detector (YES / NO)		YES	YES
27.3	Interior lighting (YES / NO), control by door switch		YES	YES
27.4	Opening and closing controls, electrical and mechanical		YES	YES
27.5	Terminals for signal acquisition for the SCADA system		YES	YES
28	As it is of the dead tank type, it should be included in the supply of the same types of bushings current transformers, the one for protection (25VA 5P20) and the other for measurement (25VA Cl. 0.2) The ratio of the current transformers must be multirrelation 2000/5 ANSI C57.13 standard for which you must attach the catalog and respective plans.