Suspension type Polymeric Insulator

Type:
13.8 kV / 22.9 kV

Overview:
Suspension type Polymeric Insulators are made of the highest quality materials. The core is made of fiberglass with Fiberglass Round Rod type ECR and the insulating material of housing and sheds of high consistency silicone rubber.
They are designed and manufactured to be installed as supports for overhead lines, suitable to withstand the stresses from the weight and strength of the conductors and the metallic accessories that hold the conductors, to withstand the action of the wind on them and on the elements they support. They withstand the thermal, dynamic and electrical stresses from possible short circuits, maximum operating voltage and over voltages.

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Specifications

	Products Type		SUSPENSION TYPE POLYMERIC INSULATOR 13.8 kV	SUSPENSION TYPE POLYMERIC INSULATOR 22.9 kV
	Features	Unit	Value	Value
1	Operating voltage (Phase – Phase)		≤ 13.8 kV	≥13.8 kV , ≤22.9 kV
2	Designation, model		FXB-24kV/70kN	FXB-36kV/70kN
3	Standards		IEC 61109:2008, ANSI C29.13	IEC 61109:2008, ANSI C29.13
4	Manufacturing Features
	Core material		Fiberglass with Fiberglas Round Rod Bar ECR	Fiberglass with Fiberglas Round Rod Bar ECR
	Insulated housing and sheds:		High consistency silicone rubber type HTV or LSR	High consistency silicone rubber type HTV or LSR
	- Resistance to tracking and erosion of insulating material: Silicone rubber		Class 2A, 6kV (according to ASTM D2303 – IEC 60587)	Class 2A, 6kV (according to ASTM D2303 – IEC 60587)
	Material of the coupling hardware		Forged steel	Forged steel
	Galvanization of hardware		According to ASTM A153/A153M, average thickness of 86µm	According to ASTM A153/A153M, average thickness of 86µm
	Types of coupling		Clevis – Tongue,	Clevis – Tongue
	Key		Stainless steel	Stainless steel
5	Electrical Values:
	Operation voltage phase-phase	kV	10 kV, 13.2 kV to 13.8 kV	13.8 kV to 22.9 kV
	Maximum voltage for the insulator U_m	kV_(r.m.s)	24	36
	Nominal frequency	Hz	60	60
	Maximum diameter of the insulating part	mm	98	98
	Minimum creepage distance	mm	645	945
	Minimum arcing distance	mm	210	285
	Number of sheds	No.	6	9
	Sheds diameter	mm	98	98
	Passage of the sheds	mm	35	35
	Sheds tilt angle	°	3	3
	Withstand voltage at power frequency:
	- Wet	kV	≥100	≥110
	- Dry	kV	≥130	≥140
	Impulse withstand voltage 1.2/50us:	kV
	- Positive	kV	≥190	≥240
	Low Frequency Test Voltage (RMS to Earth)	kV	20	30
	RIV Maximum at 1000 KHz	µV	10	10
6	Mechanical values:
	Specified Maximum Mechanical Load (SML)	kN	70	70
	Specified Mechanical Test Load (RTL)	kN	35	35
	Torque	N-m	47	47
	Core diameter	mm	16	16
	Weight	kg	1.4	1.9
7	Design Tests		According to clause 10 IEC 61109	According to clause 10 IEC 61109
8	Type Tests		According to clause 11 IEC 61109	According to clause 11 IEC 61109
9	Sampling tests		According to clause 12 IEC 61109	According to clause 12 IEC 61109
10	Individual tests		According to clause 13 IEC 61109	According to clause 13 IEC 61109
11	UV resistance tests		According to ASTM G154 and ASTM G155 or ISO 4892-3 and ISO 16474-3	According to ASTM G154 and ASTM G155 or ISO 4892-3 and ISO 16474-3