FLN36-24-275MM,FLN36-24 SF6 air fuse switch LBS

Description:

FLN36-24KV indoor AC high-voltage sulfur hexafluoride load switch is suitable for three-phase AC 50Hz, rated voltage 24kV ring network power supply or double-radiation power supply system, used for closing and breaking load current and overload current, and can also be used for closing and breaking no-load long lines, no-load transformers and capacitor banks, etc. The series combination of load switch and current-limiting fuse can replace the circuit breaker, that is, the load switch is responsi...

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Detailed Description

FLN36-24-275MM,

24kV Indoor SF6 Switch-Disconnector FL(R)N36 Load Break Switch LBS and fuse combination appliance are suitable for power stations and industrial electrical equipment powered by three-phase AC 50Hz ring network or terminal It is used as load control line protection for 24kV power system. The Load Switch switches load current, closed-loop current, no-load transformer and cable charging current; the combined electrical appliance can break any current up to the rated short-circuit breaking current, and is suitable for complete sets of electrical equipment such as ring network units and box- type substations.

Normal Ambient Condition

1、Altitude:<2000M

2、Ambienttemperature:-40℃~+40℃

3、 Relative humidity: daily average ≤95%, monthly average ≦ 90%,

4、 Earthquake intensity:≤ 8 degree

Technical Specification

No.	Item		Unit	Data
1	Rated voltage		KV	24
2	Rated frequency		Hz	50
3	Rated current		A	630
4	Rated peak withstand current		KA	50
5	4s rated short time withstand current		KA	20
6	Rated making current		KA	50
7	Rated breaking current	Active load breaking current	KA	630
		Breaking current loop	A	630
		Cable charging breaking current	A	10
8	1 min power frequency withstand voltage(phase to phase,to earth,fracture)		KV	42/48
9	Lightning impulse withstand voltage(phase to phase,to earth,fracture)		KV	75/85
10	Relative pressure of SF6 gas(20°C Gp)		MPa	≤0.04
11	Rated operating voltage (electric)		V	AC220、DC220
12	Rated voltage of shunt release		V	AC220、DC220
13	Average opening speed		m/s	3.5±1.5
14	Average closing speed		m/s	3.5±1.5
15	Three-phase points,closing phase of the same		ms	≤3
16	The main circuit resistance		μ Ω	≤120
17	Manual maximum torque		N.m	≤160
18	Phase to phase center distance		mm	210±0.5

Outline Overalland Installing Dimensions