Line Post Insulators

Two Horizontal, Two Vertical Types
Newell-PSN offers line posts for a broad range of transmission and distribution applications:
TWO BASIC HORIZONTAL LINE POST CLAMP-TYPE DESIGNS
- GAIN BASE CASTINGS
- STUD BASE CASTINGS
TWO BASIC VERTICAL LINE POST STUD-BASED DESIGNS
- CONVENTIONAL TIE-TOP
- CLAMP TOP
100% Puncture-Proof Solid Core
Solid core porcelain provides totally trouble-free electrical performance. The solid core design ensures 100% puncture-proof reliability throughout the insulator life.
Newell-PSN is the best source for performance proven, solid core porcelain Line Post Insulators.
AUXILIARY HARDWARE AVAILABLE

Typically, insulators are supplied WITHOUT conductor clamps and mounting studs. All auxiliary hardware is available from Newell-PSN.
Line Post Insulators
EXAMPLE (57-1) – ANSI Class 37610 – Newell-PSN Part No.
End Codes – Example: 37610- (7001)
Typical App. Voltage |
Leakage Distance (In) |
C-Neck Tie Top |
F-Neck Tie Top |
N-Neck Tie Top |
Vertical Clamp Top Stud Mount |
Horizontal Clamp Top Stud Mount |
Horizontal Clamp Top Gain Base |
13.2 | 7.5 | 43150 | 43152 | ||||
13.2 | 10 | 37600 | 47102 | 43902 | 48661 | ||
13.2 | 11 | 43400 | 43570 | ||||
23 | 14 | (57-1) 37610 |
(57-11) 43920 |
( 57-21) |
(57-31) |
||
27 | 15 | 43401 | 47101 | ||||
34.5 | 22 | (57-2) 37620 |
(57-12) 43930 |
(57-22) |
43694 |
||
46 | 29 | (57-3) 41640 |
(57-13) 43940 |
(57-23) |
(57-33) |
||
69 | 40 | (57-4) 41650 |
(57-14) 43950 |
(57-34) |
|||
69 | 42 |
(57-24) |
43760 | ||||
69 | 45 | (57-5) 41670 |
(57-15) 43970 |
(57-25) |
(57-35) |
||
69 | 53 | (57-6) |
|
(57-26) |
(57-36) |
||
115 | 68 | 47041 | |||||
115-138 | 82 | 47042 | |||||
115-138 | 100 | 47043 | |||||
115-138 | 115 | 47044 | |||||
115-138 | 130 | 47045 |
Line Post Hardware
Mounting Studs for Stud-Mount Insulators
87563-3001 5/8″ X 1-3/4″ Stud (for 3/4″ Tap)
87564-3001 5/8″ X 7″ Stud (for 3/4″ Tap)
87573-3001 3/4″ X 1-3/4″ Stud (for 3/4″ Tap)
87574-3001 3/4″ X 7″ Stud (for 3/4″ Tap)
87583-3001 7/8″ X 2″ Stud (for 7/8″ Tap)
87584-3001 7/8″ X 8″ Stud (for 7/8″ Tap)
Clamps for Line Post Insulators
270650-3001 Iron 0.250″ – 0.563″ Conductor
270651-3001 Iron 0.500″ – 1.063″ Conductor
270652-3001 Iron 1.063″ – 1.500″ Conductor
270654-3001 Iron 1.500″ – 2.000″ Conductor
270660-3001 Alum .0250″ – 0.563″ Conductor
270661-3001 Alum .0500″ – 1.063″ Conductor
270662-3001 Alum 1.063″ – 1.500″ Conductor
270663-3001 Alum 1.500″ – 2.000″ Conductor