Stand Off Insulators

• One piece lightweight construction
• Unique EPDM cladding with over 25 years of service history
• Superb impact performance
• M12 studded end fittings
• High pollution resistance
• Excellent UV stability
• Homogenous cladding material
• Outstanding anti-vandal capabilities
• High cantilever strength
• Low profile
• Cladding /GRP bond tested
Henley's polymeric standoff insulators have been primarily designed to be used in conjunction with modern MV cable pole terminations. The insulators can be purchased as individual units, or in sets.
Each insulator is supplied with M12 studs at either end together with necessary nuts and washers. Stainless steel end fittings supplied as standard.
 
Product
System
Voltage
Ordering
Unit
Weight
Fixing
Height (mm)
M12 Ending Fitting Length (mm)
Shed
Diameter (mm)
56141-10
15kV
each
0.85
230
40/65
99
56141-08
24kV
each
2.00
350
40/65
100
56141-09
33kV
each
2.50
395
40/65
115
56141-12
33kV
each
3.25
506
40/65
104
 
     
 
Test
56141-10
56141-08
56141-09
56141-12
Specification
Creepage (mm).
465
615
845
1160
IEC 815
Taut String (mm).
179
240
375
400
Impulse Flashover (Dry) kVp.
130
160
236
234
IEC 383:1983
BS 137:1982
Impulse Withstand (Dry) kVp.
125
150
220
222
AC 1min Flashover (Dry)
95
170
165
AC 1min Withstand (Dry)
85
160
158
AC 1 min Flashover (Wet)
65
80
120
134
AC 1 min Withstand (Wet) kVp.
55
70
108
115
Cantilever Deflection at 1kN load (mm)
18
15
25
25
WT Henley Ltd
Minimum failing tensile load(kN)
<50
<50
<50
<50
Minimum failing torque (Nm)
<45
<65
<65
<65
 
   

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