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Station post insulator drawings and specifications

Station post insulator drawings and specifications shown in the following are about ANSI standard type porcelain station post insulators. These insulators are only parts of Orient post insulators.

Station post insulator drawings:
Station post insulator drawings    Station post insulator drawings      Station post insulator drawings

Station post insulator drawings                    Station post insulator drawings
Station post insulator specifications:

ANSI Class
286
287
-
Basic Impulse Insulation Level (KV)
550
550
550
Usual Line Voltage (KV)
115
115
115
Leakage distance/in (mm)
99(2515)
99(2515)
125(3175)
Cantilever Strength/Ib (KN)
1700(7.6)
2600(11.6)
1700(7.6)
Tensile Strength/Ib (KN)
20000(89)
25000(111.2)
20000(89)
Torsional Strength/in-Ib (N.m)
40000 (177.9)
90000(400.3)
40000(177.9)
Compression Strength /Ib (KN)
60000(266.9)
75000(333.6)
60000(266.9)
Critical Impulse Flashover Voltage, Positive (KV)
610
610
610
 
Withstand Voltage
Low Frequency, Wet/KV
230
230
230
Impulse/KV
550
550
550
Radio-Influence Voltage Data
Test Voltage to ground/kV
73
73
73
Maximum RIV at 1000 KHZ/µV
200
200
200
Height-“H”/in (mm)
45(1143)
45(1143)
45(1143)
Shed diameter/in (mm)
8-3/4(222)
8-7/8(225)
D1=9-1/4(235)
 
D2=7-11/16(195)
Bolt circle diameter/in (mm)
5(127)
5(127)
5(127)
(4)Tapped holes, size/in
5/8-11
5/8-11
5/8-11
Cap diameter-“C”/in (mm)
6-1/4(159)
6-1/4(159)
6-1/4(159)
Net Weight/Ib (kg)
142(63.2)
165(73.4)
154(68.5)

 

 

ANSI Class
288
289
-
Basic Impulse Insulation Level (KV)
650
650
650
Usual Line Voltage (KV)
116
116
116
Leakage distance/in (mm)
116(2946)
116(2946)
155(3937)
Cantilever Strength/Ib (KN)
1450(6.4)
2200(9.8)
1450(6.4)
Tensile Strength/Ib (KN)
20000(89)
25000(111.2)
20000(89)
Torsional Strength/in-Ib (N.m)
60000 (266.9)
90000(400.3)
60000(266.9)
Compression Strength /Ib(KN)
60000(266.9)
75000(333.6)
60000(266.9)
Critical Impulse Flashover Voltage, Positive (KV)
710
710
710
 
Withstand Voltage
Low Frequency, Wet/KV
275
275
275
Impulse/KV
650
650
650
Radio-Influence Voltage Data
Test Voltage to ground/kV
88
88
88
Maximum RIV at 1000 KHZ/µV
200
200
200
Height-“H”/in (mm)
54(1372)
54(1372)
54(1372)
Shed diameter/in (mm)
8-13/16(224)
10(254)
D1=9-1/4(235)
 
D2=7-11/16(195)
Bolt circle diameter/in (mm)
5(127)
5(127)
5(127)
(4)Tapped holes, size/in
5/8-11
5/8-11
5/8-11
Cap diameter-“C”/in (mm)
6-1/4(159)
6-1/4(159)
6-1/4(159)
Net Weight/Ib (kg)
160(71.2)
225(100)
170(75.6)

 

 

ANSI Class
291
295
-
Basic Impulse Insulation Level (KV)
750
750
750
Usual Line Voltage (KV)
161
161
161
Leakage distance/in (mm)
132(3353)
132(3353)
180(4572)
Cantilever Strength/Ib (KN)
1200(5.3)
1850(8.2)
1200(5.3)
Tensile Strength/Ib (KN)
20000(89)
25000(111.2)
20000(89)
Torsional Strength/in-Ib (N.m)
60000 (266.9)
90000(400.3)
60000(266.9)
Compression Strength /Ib (KN)
60000(266.9)
75000(333.6)
60000(266.9)
Critical Impulse Flashover Voltage, Positive (KV)
810
810
810
 
Withstand Voltage
Low Frequency, Wet/KV
315
315
315
Impulse/KV
750
750
750
Radio-Influence Voltage Data
Test Voltage to ground/kV
103
103
103
Maximum RIV at 1000 KHZ/µV
500
500
500
Height-“H”/in (mm)
62(1575)
62(1575)
62(1575)
Shed diameter/in (mm)
8-13/16(224)
10(254)
D1=9-1/4(235)
 
D2=7-11/16(195)
Bolt circle diameter/in (mm)
5(127)
5(127)
5(127)
(4)Tapped holes, size/in
5/8-11
5/8-11
5/8-11
Cap diameter-“C”/in (mm)
6-1/4(159)
6-1/4(159)
6-1/4(159)
Net Weight/Ib (kg)
170(75.6)
235(104.5)
195(86.7)

 

ANSI Class
304
308
308
Basic Impulse Insulation Level (KV)
900
900
900
Usual Line Voltage (KV)
230
230
230
Leakage distance/in (mm)
165(4191)
165(4191)
165(4191)
Cantilever Strength/Ib (KN)
950(4.2)
1450(6.4)
1450(6.4)
Tensile Strength/Ib (KN)
20000(89)
25000(111.2)
25000(111.2)
Torsional Strength/in-Ib (N.m)
60000 (266.9)
90000(400.3)
90000(400.3)
Compression Strength /Ib (KN)
60000(266.9)
90000(400.3)
75000(333.6)
Critical Impulse Flashover Voltage, Positive (KV)
1010
1010
1010
 
Withstand Voltage
Low Frequency, Wet/KV
385
385
385
Impulse/KV
900
900
900
Radio-Influence Voltage Data
Test Voltage to ground/kV
146
146
146
Maximum RIV at 1000 KHZ/µV
500
500
500
Shed diameter/in (mm)
9-1/2(241)
10-1/8(257)
D1=9-1/2(241)
 
D2=10-1/8(257)
Bolt circle diameter/in (mm)
5(127)
5(127)
5(127)
(4)Tapped holes, size/in
5/8-11
5/8-11
5/8-11
Cap diameter-“C”/in (mm)
6-1/4(159)
6-1/4(159)
6-1/4(159)
Net Weight/Ib (kg)
310(137.9)
375(166.8)
268(121.6)

 

Cat. No.
07011050-01
07011050-02
07011050-03
ANSI Class
312
316
362
Basic Impulse Insulation Level (KV)
1050
1050
1050
Usual Line Voltage (KV)
230
230
230
Leakage distance/in (mm)
198(5029)
198(5029)
198(5029)
Cantilever Strength/Ib (KN)
800(3.6)
1250(5.6)
2300(10.2)
Tensile Strength/Ib (KN)
20000(89)
25000(111.2)
40000(177.9)
Torsional Strength/in-Ib (N.m)
60000 (266.9)
90000(400.3)
20000(533.8)
Compression Strength /Ib (KN)
40000(177.9)
75000(333.6)
100000(444.8)
Critical Impulse Flashover Voltage, Positive (KV)
1210
1210
1210
 
Withstand Voltage
Low Frequency, Wet/KV
455
455
455
Impulse/KV
1050
1050
1050
Radio-Influence Voltage Data
Test Voltage to ground/kV
146
146
146
Maximum RIV at 1000 KHZ/µV
500
500
500
Shed diameter/in (mm)
9-7/8(251)
10-1/2(267)
10-7/8(276)
Bolt circle diameter/in (mm)
5(127)
5(127)
7(178)
(4)Tapped holes, size/in
5/8-11
5/8-11
3/4-11
Cap diameter-“C”/in (mm)
6-1/4(159)
6-1/4(159)
8-3/8(293)
Net Weight/Ib (kg)
265(117.9)
341(151.7)
424(188.6)


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