36kV 40.5kV Indoor High Voltage Vacuum Circuit Breaker (VAC1)

Model NO.: VAC1-36(40.5)kV
Delivery: FOB
Minimum order quantity: 1 piece

Quantity:

Product Description

Basic Info.

Model NO.	VAC1-36(40.5)kV
Poles Number	3
Type	Circuit Breaker
Function	Conventional Circuit Breaker
Certification	ISO9001-2000, CE
Rated Short-Circuit Breaking Current	20,25,31.5kA
Rated Short-Time Withstand Current	20,25,31.5kA
Rated Short Circuit Duration	4s
Contact Stroke	4~6mm
Mechanical Life (M2)	10,000ms
Trademark	VACEM
Origin	Wenzhou, China

1.General description

VACI-36(40.5)kV type indoor M.V. VCB with tri-phase AC 50Hz, rated voltage 36kV. Applicable to industrial, power station and substation electric protection and control, especially suitable for frequent operation.

The product conforms to IEC 62271-100-2008 GB1984“AC M.V. Circuit Breaker”and JB3855“36-40.5kV Indoor AC M.V. Vacuum Circuit Breaker”standard.

2.Normal using condition

1) Ambient temperature≤+40℃；average in 24 hours≤+35℃, ≥-15℃；

2) Humidity:daily average <95%, monthly average<90%; daily average saturated vapor pressure<2.2kPa, monthly average saturated vapor pressure≤108kPa;

3) Altitude:≤1000m;

4) The surrounding air is not obviously polluted by dust, smoke, corrosive or inflammable gas, vapor, or salt-frog;

5) Outer vibration of switch external and controller can be ignored;

6) Electromagnetic interference in the amplitude of the second system ≤16kV.

3.Main technical parameter

Item	Unit	Data
Rated voltage	kV	36(40.5)
Rated frequency	Hz	50
Rated insulation level 1 min power frequency withstand voltage pole to earth	kV	95
Rated insulation level 1 min power frequency withstand voltage phase	kV	118
Rated insulation level lightning impulse withstand voltage pole to earth	kV	185
Rated insulation level lightning impulse withstand voltage phase	kV	215
Power frequency withstand voltage of secondary circuit	V	2000
Rated current	A	630,1250, 1600, 2000, 2500
Rated short-circuit breaking current	kA	20, 25, 31.5
Rated short-time withstand current	kA	20, 25, 31.5
Rated short circuit duration	s	4
Rated peak withstand current	kA	50, 63, 80
Rated short-circuit making current	kA	50, 63, 80
Rated short circuit current breaking times (class E2)	times	30
Rated single/back to back capacitor bank breaking current	A	630/400
Clearance between open contacts	mm	18~20
Contact stroke	mm	4~6
Allowable wear thickness of contact	mm	3
Average opening speed	m/s	1.4~2.0
Average closing speed	m/s	0.6~1.2
Contact closing bounce time	ms	≤3
Different phases of contact closing and opening	ms	≤2
Rebound amplitude of opening contact	mm	≤2
Opening time (rated voltage)	ms	20~50
Closing time (rated voltage)	ms	30~70
Mechanical life (M2)	times	10000
Rated operating voltage	V	AC110/220 DC110/220
Rated operation sequence		O-0.3s-CO-180s-CO