The Zhejiang ENOCH electric co.,ltd 12kV 630A T Back Arrester designed to protect 12kV class components, including transformers, equipments, cable and accessories from high voltage surges resulting from lightning or switching. 12kV 630A T Back Arrester has been designed to be used with the EN12-630 separable tee connector.
ENOCH 12kV 630A T Back Arrester are used on underground systems in pad-mounted transformer and entry cabinets, vaults switching devices and other insulation to provide shielded dead-front arrester protection. Installing ENOCH elbow arrester at both ends of an open point on a loop system and the end of a radial system protect equipment and extend cable life.
Zhejiang ENOCH electric co.,ltd has been committed to the pursuit of high quality, fine, beautiful, new products, The 12kV 630A T Back Arrester owns highly competitive product prices and supply speed, perfect service quality, in order to achieve the state of As Good as It Gets. We support minimum order quantity and offer free trial of new products. Scientific management mode, sound quality control guarantees system ISO9001: 2000 and products circuit operation experience of the past 20 years. Make the 12kV 630A T Back Arrester used widely in numerous projects.
The 12kV 630A T Back Arrester with exquisite technology, exquisite technology, optimized sales concept, good reputation, won customers and users praise; in recent years Zhejiang ENOCH electric co.,ltd has continuously expanded the production force, further grasp the technical strength, already formed Benign Enterprise Operation Mechanism. 12kV 630A T Back Arrester Tests conducted in accordance with IEC60502-4 and IEC60099-4. Partial discharge minimum extinction voltage-15kV; AC 60Hz for 1min (kV crest)-35kV.
Voltage Ratings |
|
System Voltage Class |
15kV |
Impulse 1.2850 full wave (kV creat)(BIL) |
95kV |
60 Hz 1min (kV rms) |
34kV |
60 Hz PD extinction (kV rms) |
11kV |
DC 15 min (kV) |
53kV |
All the parameters of the 12kV 630A T Back Arrester are in conformity with the requirements and qualified.
· Provides fully shielded deadfront arrester protection.
· Metal (zinc) Oxide Varistor (MOV) gapless design.
· EPDM insulation rubber molded around MOV module.
· No minimum phase clearance requirements.
· 100% electrical tested at factory.
Protective Characteristics |
||||||||
Arrester code |
Duty Voltage Rating(kV) |
MCOV |
Equivalent front-of-wave(kV crest) |
Maximum discharge voltage kv crest 8/20 us current wave |
||||
1.5kA |
3kA |
5kA |
10kA |
20kA |
||||
A |
3 |
2.55 |
10.9 |
8.9 |
8.5 |
10.2 |
11.3 |
13.1 |
B |
6 |
5.1 |
22.1 |
18.1 |
19.3 |
20.5 |
22.4 |
26.2 |
C |
9 |
7.65 |
31.5 |
26.2 |
28.1 |
30.2 |
32.6 |
37.2 |
D |
10 |
8.4 |
33.1 |
27.1 |
29.2 |
31.1 |
34.0 |
38.6 |
E |
12 |
10.2 |
41.7 |
33.7 |
36.5 |
39.1 |
42.7 |
48.5 |
F |
15 |
12.7 |
48.7 |
38.2 |
40.1 |
42.7 |
47.5 |
53.0 |
Arrester code |
Duty Voltage Rating(kV) |
MCOV |
Residual voltage(Lightning) |
|
a |
b |
|||
Station |
Circuits |
|||
G |
5 |
4 |
13.5 |
15 |
H |
10 |
8 |
27 |
30 |
I |
12 |
9.6 |
32.4 |
35.8 |
J |
15 |
12 |
40.5 |
45.6 |
K |
17 |
13.6 |
45 |
50 |
The 12kV 630A T Back Arrester are packaged in a heavy duty polyethylene bag Each Kit contains:
1 |
Standard 12kV 630A T Back Arrester Body |
2 |
Stud |
3 |
Connecting rod |
4 |
Silicone Lubricant |
5 |
Installation Instruction Sheet |
6 |
Clean Paper |
1. METAL OXIDE RESISTOR ELEMENTS. A two-terminal resistive element, composed of an electronic semiconductor and suitable contacts that has a markedly nonlinear volt-ampere characteristic.
2. SEMICONDUCTING INSERT. Precision molded peroxide cured semiconducting insert provides corona-free electrostatic shielding of the compression connector.
3. SEMICONDUCTING SHIELD. Precision molded peroxide cured semiconducting shield provides ground shield continuity.
4. INSULATION LAYER. High quality peroxide cured EPDM Insulation is mixed and formulated in-house for complete control of rubber characteristics.
5. STUD. Zinc plated, threaded steel stud.
6. CONDUCTIVE RUBBER CAP. Provide a complete grounding system.
7. INSULATING PLUG. Real time collecting conductor temperature field is realized by means of thermal sensor inside of plug, and also provides excellent electrical, thermal and mechanical reliability.
8. DRAIN WIRE TAB. Drain wire tabs provide a convenient point to connect drain wire to ensure grounding of the connector shield.
9. STEEL CAP. Portion of an arrester in which each end of the unit is terminated with an electrode which is exposed to the external environment.
1. Excellent quality
Our 12kV 630A T Back Arrester are tested by third party power labs according to IEC standards.The company has obtained ISO9000 quality system certification and environmental protection certification.
2.Professional services
We have been doing advanced research in the field of 12kV 630A T Back Arrester manufacturing. In order to improve the quality and level of service, our personnel completed the QC training, and set up a special inspection department.
3.Powerful technology
Zhejiang ENOCH electric co.,ltd have own factory and have 20 years experience in power connection.
Besides our existing products, we can produce various products according to customers' drawings or samples. In the early stage, we will communicate with you in detail. After the product is confirmed, we will give the customer a sample of the goods before production. When the customer confirms, we will carry out production. If have any quality problems, we will solve it.Our aim is to be honest, have sincerity and promise, harmonious and altruistic,that is why the customers choose and believe us.
Q1:Can you can design the connectors/bushings according to our size?
A1:Yes
Q2:If OEM is acceptable?
A2:Yes
Q3:Are you a trading company or a manufacturer?
A3:We are a manufacturer.
Q4:How long is your delivery time?
A4:Base on the quantity.
Q5:Where is your factory located?
A5:Lishui city Zhejiang Province China.