|
Still deciding? Get samples of $ !
Order Sample
|
| Customization: | Available |
|---|---|
| Material: | Porcelain |
| Type: | a Type Insulator |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency


Porcelain insulators,also named ceramic Insulators are made from clay, quartz or alumina and feldspar, and are covered with a smooth glaze to shed water. Insulators made from porcelain rich in alumina are used where high mechanical strength is a criterion. Porcelain has a dielectric strength of about 4-10 kV/mm.
Features:
1.In comply with ANSI, IEC, BS, AS etc standard
2.Brown or grey glazed
3.The material is porcelain
| Class ANSI | Mian Demension in (mm) | leakage Distance in (mm) |
Min. Pin Length in (mm) |
Cantilever Strength 1b(KN) | Average Flashover Voltage |
Power Frequaency Puncture Voltage KV |
Radio influence Voltage | ||||||||||
| D | H | d | d1 | h | R1 | R2 | Power Frequency | Critcal Impulse |
Test Voltage ToGround KV |
Max Riv At 1M Hz V |
|||||||
| Dry kv | Wet kv | Positive kv | Nagative kv | ||||||||||||||
| 56-1 | 7 1/2 (191) |
5 3/4 (146) |
3 1/2 (89) |
1 1/2 (35) |
2 (51) |
3/4 (19) |
9/16 (14) |
13 (330) |
6 (152) |
2500 (11) |
95 | 60 | 150 | 190 | 130 | 15 | 100 |
| 56-2 | 9 (229) |
6 1/2 (165) |
4 (102) |
1 3/8 (35) |
2 (51) |
3/4 (19) |
9/16 (14) |
17 (432) |
7 (178) |
3000 (13.2) |
110 | 70 | 175 | 225 | 145 | 22 | 100 |
| 56-3 | 10 1/2 (167) |
7 1/2 (191) |
4 (102) |
1 3/8 (35) |
2 (51) |
3/4 (19) |
9/16 (14) |
21 (533) |
8 (203) |
3000 (13.2) |
125 | 80 | 200 | 265 | 165 | 30 | 200 |
| 56-4 | 12 (305) |
9 1/2 (241) |
1 3/8 (35) |
2 (51) |
3/4 (19) |
9/16 (14) |
27 (685) |
10 (254) |
3000 (13.2) |
140 | 95 | 225 | 310 | 185 | 30 | 200 | |
| 56-5 | 13 1/2 (343) |
12 1/2 (318) |
|
1 3/8 (35) |
2 (51) |
3/4 (19) |
9/16 (14) |
34 (864) |
12 (305) |
3000 (13.2) |
175 | 125 | 270 | 340 | 225 | 44 | 200 |