12KV Three Phase 50HZ Smart Grid Devices 1250A Electrical Protection Devices

Product Details:

Place of Origin:	CHINA
Brand Name:	TIANAN Electric
Certification:	GB1984, JB3855, DL403 and IEC standards
Model Number:	ZN12-12/40.5

Payment & Shipping Terms:

Minimum Order Quantity:	10 units
Price:	Pending
Packaging Details:	wooden case
Delivery Time:	30days
Payment Terms:	L/C, T/T
Supply Ability:	1000sets Per year

Contact Now

Detailed Product Description

Rated Voltage:	12KV/24KV/40.5KV	Rated Current:	630,1250,1600,2000,2500,3150
Poles Number:	3	Altitude:	Not Exceed 2000M.
Product Name:	12KV Three Phase 50HZ Smart Grid Devices 1250A Electrical Protection Devices
High Light:	12KV Smart Grid Devices , three phase 50HZ Smart Grid Devices , 1250A electrical protection devices

12KV Three Phase 50HZ Smart Grid Devices 1250A Electrical Protection Devices

1. General Features of 12KV Three Phase 50HZ Smart Grid Devices 1250A Electrical Protection Devices

ZN12 -40.5 series indoor high voltage vacuum circuit breaker applied to power system that of 35KV three-phase AC 50HZ. It is using the longitudinal magnetic field contacts for the ceramic structure,the proliferation of breaking arc generated when current distribution in the contact on the same local melting phenomenon does not occur, but also has a low arc energy voltage (20-200V) and low chopping current (4-5A), and operate with high reliability organizations.

2. Environmental Condition of 12KV Three Phase 50HZ Smart Grid Devices 1250A Electrical Protection Devices

Altitude:not exceed 2000m
Ambient temperature:not higher than +40°C, not less than -10°C
Relative humidity:daily average relative humidity:≤95%;monthly average relative humidity≤90%;daily average saturated vapor pressure ≤2.2KPa;monthly average value ≤1.8KPa
Earthquake intensity:≤8 degree
The installation should be free from fire,explosion,severe vibration,chemical corrosion and serious pollution

3. Technical Data of 12KV Three Phase 50HZ Smart Grid Devices 1250A Electrical Protection Devices

No.	Item	Unit	Data
1	Rated voltage	KV	40.5
2	Rated current	A	1250,1600,2000,2500,3150
3	Rated frequency	HZ	50
4	Rated short time with stand current	KA	25,31.5
5	Rated short-circuit breaking current times		20
6	Mechanical life	times	30000
7	Rated lightning impulse with stand voltage	KV	185
8	Rated operating sequence		O-0.3S-CO-180S-CO
9	Raged voltage of closing and opening electromagnet	V	AC/DC220,110
10	Rated voltage of no-voltage release	V	AC/DC220,110
11	Rated short-duration power frequency withstand voltage (1min)	KV	95
12	Opening time	ms	30≤t≤75
13	Closing time	ms	30≤t≤65
14	Energy storage time	s	≤15