ANSI 52-4 Disc Ceramic isolatorsCeramic isolators Suspention Insulator

Short Description:

Hot selling electrical 11kv/33kv 52-4 ceramic suspension insulator
ANSI U70C standard Porcelain insulator support high voltage transmission lines. A suspension string can be made suitable for any voltage level.
The disc-shaped suspension porcelain insulator is a special insulation control, which can play an important role in overhead transmission line.

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52-4(292ZR)drg-Model 52-4(292ZR333)drg-Model

Parameter table

*Clevis type suspension porcelain insulators( ANSI Class )*
ANSI Class		52-1	52-4	52-6	52-9	52-10
Coupling size		Type B	Type B	Type J	Type B	Type K
Dimensions
Diameter(D)	mm	165	254	254	121	280
Spacing(H)	mm	140	146	146	159	165
Creepage distance	mm	178	320	320	178	380
Mechanical Values
combined M&E strength	kN	44	67	111	44	178
Dry arcing distance	mm	114	197	197	102	216
Impact strength	N.m	5	6.2	10	5	11.3
Routine proof test load (Maximum working load)	kN	22	33.5	55.5	22	89
Time load test value	kN	27	44.5	67	27	107
Electrical Values
Low frequency dry flashover voltage	kV	60	80	80	60	80
Low frequency wet flashover voltage	kV	30	50	50	30	50
Critical impulse flashover voltage,positive	kV	100	125	125	100	125
Critical impulse flashover voltage,negative	kV	100	130	130	90	130
Low frequency puncture voltage	kV	80	110	110	80	110
Radio influence Voltage Data
Test voltage RMS to ground	kV	7.5	10	10	7.5	10
Maximum RIV at 1000kHz	μv	50	50	50	50	50
Packing and Shipping Data
Net weight,approximate	kg	2.5	4.8	5.5	2.6	8.1