ZN85-40.5 Series Indoor High Voltage Vacuum Circuit Breaker

ZN85-40.5 series indoor high voltage vacuum circuit breaker is a 3-phase AC 50Hz 40.5kV indoor switch equipment.
♦ Installation way: withdrawable type;
♦ Operating mechanism: spring operating mechanism;
♦ Pole type: assembled pole, embedded pole;
♦ Application: switchgear KYN61-40.5.
♦ Secondary plug: 58pins, 64pins.

Send Inquiry

Product Description

XUCKY Electric is a leading China manufacturer and exporter specializing in ZN85-40.5 Series Indoor High Voltage Vacuum Circuit Breaker. We have a wide range of products to meet the different needs of our customers worldwide. Our commitment to superior quality, innovative technology and excellent customer service makes us stand out in our industry.

ZN85-40.5 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 40.5kV indoor switch equipment.

♦ Installation way: withdrawable type;

♦ Operating mechanism: spring operating mechanism;

♦ Pole type: assembled pole, embedded pole;

♦ Application: switchgear KYN61-40.5.

♦ Secondary plug: 58pins, 64pins.

Environmental Conditions

♦ Ambient temperature: -15r~+40r；

♦ Altitude: <1000m;

♦ Relative humidity: daily average <95%, monthly average <90%；

♦ Earthquake intensity: <8 level;

♦ Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense vibration.

Main Technical Parameters

No	Item	Unit	Value
1	Rated voltage	kV	40.5
2	Rated current	A	1250 1600, 2000, 2500
3	Rated short circuit breaking current	kA	25, 31.5
4	Dynamic current (peak)		63, 80
5	4s thermal stability current		25, 31.5
6	Rated short circuit making current (peak)		63, 80
7	Rated short circuit current breaking number	Times	20
8	Rated operating sequence		O-0.3s-CO-180s-CO
9	1 min power frequency withstand voltage	kV	95
10	Rated lightning impulse withstand voltage	kV	185
11	Mechanical life	Times	10000
12	Rated single capacitor bank switching current	A	630
13	Rated back-to-back capacitor bank current	A	400
14	Rated voltage of energy storage motor	V	AC/DC 220/110
15	Power of energy storage motor	W	≤230
16	Energy storage time	s	≤15
17	Ratea voltage of closing/opening coil	V	DC 220/110
18	Rated current of closing/opening coil	A	1.05(110V) 0.96(220V)
19	Clearance between open contacts	mm	20±2
20	Contact travel	mm	7.5±1.5
21	Three phase opening and closing asynchronism	ms	≤2
22	Contact closing bounce time	ms	≤3
23	Main circuit resistance (not include contact arm)	μΩ	≤40