145kV Tested High Voltage AC Circuit Breaker SF6 Type With 3 Pole

Price Negotiable

Price: Pending

MOQ: 1 unit

Delivery Time: 40 work days

Brand: Tianan Electric

Product Description

145kV Tested High Voltage AC Circuit Breaker SF6 Type With 3 Pole

Overview

LW36-145/T3150-40 HV AC SF6 circuit breaker is an outdoor product.It can also be used as a connection circuit breaker.

1. Altitudes : ≤ 2000m (product designs for 3000m are available)

2. Environment temperautere: -30ºC~+40ºC

3. Pollution grade: Class iV

Parameters

Table 1

No.	Items	Unit	Parameters
1	System nominal voltage	kV	145
2	Rated voltage	kV	132
3	Rated frequency	Hz	50
4	Rated current	A	3150
5	Rated short-circuit breaking current	kA	31.5	40
6	Rated short-circuit making current	kA	80	100
7	Rated short time withstand current/time	kA/s	31.5/4	40/3
8	Rated peak withstand current	kA	80	100
9	First-pole-to-clear factor		1.5
10	Lightning impulse withstand voltage	kV	650
11	1min power frequency withstand voltage	kV	275
12	Creepage distance fracture/to earth	cm/kV	250/250
13	Rated operation order		O-0.3s-CO -180s-CO
14	Making time	ms	≤110
15	Breaking time	ms	≤65
16	Closing-opening time	ms	≤100
17	Closing non-simultaneity	ms	≤5
18	Opening non-simultaneity	ms	≤3
19	Fracture no of per pole	piece	1
20	Mechanical endurance	time	6000
21	SF6 gas pressure Rated value (20ºC) Alarm value The lowest function pressure	MPa MPa MPa	0.55 0.50 0.45	0.60 0.55 0.50

22	SF6 moisture content	ppm(V/V)	≤150
23	SF6 yearly air leakage percentage		≤1%
24	Per set circuit-breaker SF6 gas charging weight	kg	9	11
25	Gross weight of per set circuit-breaker	kg	2200
26	Sub-static pull on wiring longitudinal terminal of circuit-breaker horizontal vertical	N N N	1250 750 1000
27	Voltage of auxiliary circuit	V	AC220
28	Opening-closing coil rated voltage rated current	V A	DC220 or DC110 1.29
29	Energy Storage motor rated voltage rated power	V W	AC220 or DC 220 700
30	Energy storage time	s	≤15
31	Heater voltage power	V W	AC220 100
32	Standards		GB1984

3.2 Mechanical parameters of circuit breaker
Table 2

No.	Name	Unit	Parameters
1	Contact travel of moving-contact	mm	38~42
2	Main drive lever travel of mechanism	mm	113~118
3	Distance between opening movable and static contact	mm	75~80