Expansion Module D Unit 12KV Sf6 Insulated Switchgear

Price Negotiable

MOQ: 1

Delivery Time: 30 days

Brand: Knkong

Product Description

GB ISO 12KV Gas Insulated Switchgear Medium Voltage Ring Main Unit

Product Introduction

General

Expansion module: D-unit which referer to the cable connection cabinet without grounding switch. It included busbar, outside the horizontal arrangement of the outlet casing, indicates the capacitive voltage indicator for the casing, SF6 gas pressure gauge, grounding busbar, reserved bus extension, External bus,etc.

Service environment

Air temperature: -35℃~+40℃
Humidity: Monthly average 95%; Daily average 90%.
Altitude:≤ 1000m (Up to 5000 m can be custom)
Ambient air not apparently polluted by corrosive and flammable gas, vapor, etc.
No frequent violent shake

Technical Data

No.	Item		Unit	Parameter
1	Rated voltage		kV	12	24	36
2	Rated frequency		Hz	50/60
3	Rated current		A	630(1250*)
4	1min Power frequency withstand voltage	wet	kV	38	50	70
4	1min Power frequency withstand voltage	dry	kV	48	60	85
5	Lightning impulse withstand voltage		kV	75	125/150	170
6	Rated short circuit breaking current (peak)		kA	80	63	63
7	Rated active load and close circuit breaking current		A	63	50	50
8	Rated transferring current		A	1700	1200	1200
9	Rated short circuit making a current (peak)		kA	80	63	63
10	Rated cable(line) charging breaking current		A	50 and 10 50/10
11	Cable charge breaking current in earthing fault		A	20	20	20
12	Rated withstand current (peak)		kA	80	63	63
13	Short-time withstand current (2s)		kA	25	20	20
14	Mechanism life		times	5000	2000	2000