Post Insulator/ Porcelain Station Post Insulator/ Support Insulator

FOB Price 5 - 20 USD / pc

Port	Shenzhen/Shanghai
Lead Time	30-45

Quick Details (View All)

Color:	Grey/Brown	Model:	TR-210
Bending load	12.5kN	Origin	Hunan,China
Brand Name	DF/OEM

Product Details

Porcelain station post insulators

Porcelain station post insulators manufactured by DONGFANG are used in substation and switchgear Solidcore station post insulator shall have ISO metric thread bolt holes on standard bolt circles for interchangeability and ease of mounting And the solidcore post insulator may be mounted either upright, horizontally or inverted positions

Main parameters:
Voltage Range: 1kV~220kV
Cantilever strength:4kN,8kN,12.5kN and as per client’s request
Glaze: Light grey, white, brown

Porcelain station post insulators complies with following standards:
● ANSI C29.9
● IEC60168
● IEC60273

ANSI Class		TR202	TR205	TR208	TR210	TR214	TR216	TR286	TR288	TR308
Creepage distance (mm)		267	394	610	940	1092	1829	2946	3353	4191
Cantilever strength (kN)		8.9	8.9	8.9	8.9	8.9	6.7	7.56	6.23	6.45
Tensile strength (kN)		22	22	22	31	35	53	89	89	111
Torsion strength (N.m)		6000	791	904	1130	1356	1695	4520	4520	10170
Compression strength (lb)		-	44.5	44.5	66.7	66.7	111	267	267	333
Power frequency flashover voltage (kV)	Dry	-	85	110	145	170	235	385	435	575
Power frequency flashover voltage (kV)	Wet	-	55	75	100	125	180	285	335	475
Critical Impulse flashover voltage (kV)	Pos	105	125	170	225	280	390	610	710	1010
Critical Impulse flashover voltage (kV)	Neg	-	200	250	290	340	475	780	900	1240
Power frequency withstand voltage(kV)	Dry	-	50	70	95	120	175	280	335	465
Power frequency withstand voltage(kV)	Wet	30	45	60	80	100	145	230	275	385
Impulse withstand voltage(kV)		95	110	150	200	250	350	550	650	900