25 Kv Stay Arm Insulators

Having a positive quality management system, we are captivated in Manufacturing and supplying a wide compilation of 25 KV Stay Arm Insulators in Secunderabad, Telangana, India.

Construction :
Core Material : FRP Rod
Polymer Material : Silicone Rubber compound
Method of Manufacture : Direct Moulding of Solicone Rubber over FRP rod
Metal end fittings : MCI / SCGI
Method of connecting Metal Fitting with FRP rod : Crimping

Specification :
Railway Standard
TI/SPC/OHE/INSCOM/0991 : Issued by Research Designs and Standards Organisation, Ministry of Railways, India.
International Standard : IEC: 61109-1992

Electrical Characteristics :
Dry lighting impulse with-stand Voltage :
240kvp for positive Polarity
260kvp for Negative Polarity

Wet power frequency with-stand Voltage :
Vertical Mounting : 100kVp (rms)
Horizontal Mounting : 125kVp (rms)

Mechanical Characteristic :
Minimum failing tensile load : 7000kgf
Minimum failing bending moment : 200kg.m.
Profile Parameters : The profile parameters of these insulators meet the requirements of IEC:815.

Specific Creepage Distance :
16mm/kV for standard (Normal) zone
20mm/kV for Polluted zone

Guaranteed Creepage Distance
850mm (Min) for Standard (Normal) zone
1050mm (Min) for Polluted Zone

Dimensions :
As per Railway Standard
Inter changeable with existing Ceramic Insulators