Good quality 57-14 Post Insulator - ANSI 57series Porcelain Line Post Insulator for Transmission – Johnson

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for 25kv Pin Insulator, U120b Glass Insulator, 30nf2000 Transformer Bushing, We have now a experienced crew for international trade. We are able to solve the problem you meet. We are able to offer the products and solutions you want. You should really feel free of charge to speak to us.

Good quality 57-14 Post Insulator - ANSI 57series Porcelain Line Post Insulator for Transmission – Johnson Detail:

Line post type porcelain insulators
ANSI Class		57-1	57-2	57-3	57-4	57-5
Dimensions
Creepage distance	mm	356	559	737	1015	1145
Dry arcing distance	mm	165	241	311	368	438
Mechanical Values
Cantilever strength	kn	12.5	12.5	12.5	12.5	12.5
Cantilever strength routine test	kn	5	5	5	5	5
Electrical Values
Type application voltage	kv	25	35	45	55	66
Low frequency dry flashover voltage	kv	80	110	125	150	175
Low frequency wet flashover voltage	kv	60	85	100	125	150
Critical impulse flashover voltage,positive	kv	130	180	210	255	290
Critical impulse flashover voltage,negative	kv	155	205	260	340	380
Radio influence Voltage Data
Test voltage RMS to ground	kv	15	22	30	44	44
Maximum RIV at 1000kHz	μv	100	100	200	200	200
Packing and Shipping Data
Net weight,approximate	kg	5.2	9.0	11.0	16.0	18.0

Line post type porcelain insulators
ANSI Class		57-11	57-12	57-13	57-14	57-15
Dimensions
Diameter	mm	102	102	102	102	102
Height	mm	260	324	400	480	543
Creepage distance	mm	356	559	737	1015	1145
Dry arcing distance	mm	165	241	311	368	438
Mechanical Values
Cantilever strength	kn	12.5	12.5	12.5	12.5	12.5
Cantilever strength routine test	kn	22	22	22	22	22
Electrical Values
Type application voltage	kv	25	35	45	55	66
Low frequency dry flashover voltage	kv	80	110	125	150	175
Low frequency wet flashover voltage	kv	60	85	100	125	150
Critical impulse flashover voltage,positive	kv	130	180	210	255	290
Critical impulse flashover voltage,negative	kv	155	205	260	340	380
Radio influence Voltage Data
Test voltage RMS to ground	kv	15	22	30	44	44
Maximum RIV at 1000kHz	μv	100	100	200	200	200
Packing and Shipping Data
Net weight,approximate	kg	6.8	10.0	11.8	16.5	18.6

57-14 57-13 222 ANSI 57series Porcelain Line Post Insulator for Transmission

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While using the "Client-Oriented" organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for Good quality 57-14 Post Insulator - ANSI 57series Porcelain Line Post Insulator for Transmission – Johnson, The product will supply to all over the world, such as: Puerto Rico, Serbia, Saudi Arabia, we are now looking forward to even greater cooperation with overseas customers based on mutual benefits. We will work wholeheartedly to improve our products and services. We also promise to work jointly with business partners to elevate our cooperation to a higher level and share success together. Warmly welcome you to visit our factory sincerely.

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