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Polymer Braced Post NGK-Locke

Polymer Braced Line Posts

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Description:

A Braced Line Post Assembly (often referred to as a Horizontal-V) consists of a brace (or stay) suspension insulator, a post (or strut) insulator and connecting hardware. The assembly when connected to vertical surface forms the shape of a ’V’. When a Braced Line Post Assembly is loaded the brace is in tension, while the Post is in compression providing transverse and longitudinal stability.

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System Voltage (KV)
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Catalog No. Typical System Voltage, kv Strut Component Catalog No. Stay Component Catalog No. Section Length, in. Assembly Height, in Ttay Length, in. Bracket Length, in. Leakage Distance, in. Low Freq. Flashover Voltage - Dry, kV Low Freq. Flashover Voltage - Wet, kV Critical Impulse Flashover Voltage - Pos., kV Critical Impulse Flashover Voltage - Neg., kV Max. Design Vertical Load, lbs. Max. Design Longitudinal Load, lbs. Max. Design Tenion Load, lbs. Max Design Compression Load, lbs.
HV-554
L2-SN321-13
251-SC480-EE
58.2
69.8
64.1
2.0
132.3
495
435
730
800
1530
HV-556
L2-SN361-13
251-SC550-EE
64.0
78.0
71.3
2.0
148.8
545
475
820
890
1375
HV-558
L2-SN431-13
251-SC670-EE-04
74.1
92.2
83.4
2.0
177.8
620
545
960
1040
1165
HV-560
L2-SN581-13
251-SC920-EE-08
95.7
121.8
108.1
2.0
239.8
765
670
1255
1350
880
HV-562
L3-SN321-13
251-SC470-EE
59.2
68.6
67.3
2.0
131.4
500
440
745
815
2400
HV-564
L3-SN361-13
251-SC530-EE
64.8
75.7
73.4
2.0
148.1
550
480
830
905
2160
HV-566
L3-SN421-13
251-SC630-EE-04
73.3
87.5
84.3
2.0
176.1
615
540
950
1030
1880
HV-568
L3-SN581-13
251-SC880-EE-08
95.9
117.1
110.2
2.0
246.0
770
675
1265
1360
1395
HV-570
L2-SN321-1S*1
251-SS370-EE
59.8
56.8
56.6
22.8
125.5
485
430
740
800
-
HV-571
L2-SN361-1S*1
251-SS420-EE
65.6
62.7
61.3
24.5
141.8
540
480
825
890
-
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NGK-Locke Production merges advanced Japanese technology with American manufacturing heritage to deliver world-class high-voltage insulators. We specialize in precision-engineered porcelain and polymer solutions, ensuring the safety, durability, and superior performance of global power transmission infrastructure.

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