Sediver toughened glass insulator disc

kN

ANSI	Toughened Glass Suspension Insulator Ball Socket type

		Standard Profile
*CATALOGUE N°*			NN220CZ156 C11KNI

ANSI class (1)			52-11

MECHANICAL CHARACTERISTIC
Combined M&E Strength	kN		220
	lbs		50000

Impact strength	m.N		45
	inch-pounds		400

Tension proof	kN		110
	lbs		25000

Time load	kN		135
	lbs		30000
DIMENSIONS
Diameter	mm		280
	Inches		11

Spacing	mm		156
	Inches		6 1/8

Leakage distance	mm		380
	Inches		15
Metal fitting type (1)			BS type K
ELECTRICAL CHARACTERISTICS (1) (2)
Low frequency dry flashover	kV		80
Low frequency wet flashover	kV		50
Critical impulse flashover pos.	kV		140
Critical impulse flashover neg.	kV		140
Low frequency puncture voltage	kV		130
R.I.V Low frequency test voltage	kV		10
Max. RIV at 1 MHz	µV		50
String values
PACKING AND SHIPPING DATA
Approx. net weight	kg		7.2
No. of insulators per crate			6
Volume per crate	m³		0.090
Gross weight per crate	kg		49

No of insulators per pallet			72
Volume per pallet	m³		1.39
Gross weight per pallet	kg		600
Former designation			N21/156

Insulators with specific protection against corrosion are also available
(1) in accordance with ANSI C29.2
(2) in accordance with ANSI C29.1

We also supply a range of custom products which are not shown here, for example insulators with different spacing.
Please contact our sales department for more details.