ANSI 55-4 pin type insulator

ANSI 55-4 pin type insulator is one of the most commonly used pin type insulator, and ANSI 55-4 pin type insulator belongs to the porcelain ceramic insulator

Products Inquiry

Name * :

Tel * :

Email :

CompanyName :

Message :

Product Details

Definition of Pin type insulator ANSI 55-4:

Pin type insulator is generally consist of insulation parts，if two parts, which need assembled together with cement. ANSI 55-4 pin type insulator is one of the most commonly used pin type insulator, and ANSI 55-4 pin type insulator belongs to the ceramic insulator.

pin insulator ansi 55-4 pin porcelain insulator ansi 55-4

Technical data:

Type			ANSI 55-4
Creepage distance-mm			229
Flashover voltage-kV	Power frequency	Dry	65
		Wet	35
	50% impulse	Pos.	105
		Neg.	130
Radio influence voltage	Test voltage to ground-KV		10
	Max. RIV at 1000kHz-μv		50
Low frequency Puncture voltage-kV			95
Dry arcing distance-mm			127
Cantilever failing load-lb/KN			3000/13

ANSI 55-4 pin type insulator thread type:

1”(25.4mm) porcelain thread type

Assembled spindle or pin for ANSI 55-4 pin type insulator: should fit with 1”(25.4mm) lead head spindle

Neck and groove information:

ANSI 55-4 is “F” neck.

The side-wire groove shall seat a mandrel with a diameter of 1-1/16 inches, but shall not seat a mandrel with a diameter of 1-3/8 inches.

The top-wire groove shall seat a mandrel with a diameter of 1-3/4 inches.

Radio freed ANSI 55-4 high voltage insulator with semi-conductor glaze on the top.

Specifications of ANSI 55-4 pin type insulator:

Model Number: 55-4

Material: Porcelain

Application: High Voltage

color: brown or grey

Brand Name: SENDUO

Standard: Manufactured and Tested to ANSI Standard C29.5

Senduo insulator is a famous insulator trading enterprise, and we supply many types ceramic insulators, composite insulator, HDPE insulators and electric power fittings for transimission line. To satisfy our customers' requirement is our company object. We believe that ANSI 55-4 pin type insulator and other types insulators or fittings you want will not let you down but be a surprise.