Shell Naturelle Transformer Fluid S4 I Future name Shell Panolin S4 Transformer

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Overview

Shell Naturelle Transformer Fluid S4 I

Advanced synthetic electrical insulating fluid

Applications Shell Naturelle Transformer Fluid S4 I

Industrial transformers. Electrical insulating fluid for power and distribution transformers, which may have advanced requirements regarding environment and fire protection e.g traction transformers and wind turbine applications.

Transformers in electrical locomotives. Insulating and cooling fluid for mobile railroad transformers.

Details

Features and Benefits of Shell Naturelle Transformer Fluid S4 I are:

Low flammability. Shell Naturelle Transformer Fluid S4 I has low flammability characteristics. This makes the fluid particularly suitable when a mineral oil is not acceptable for safety reasons.
Readily biodegradable. The nature of the synthetic ester base fluid makes it readily biodegradable, as per the OECD 301B biodegradability test. Shell Naturelle Transformer Fluid S4 I is the product of first choice whenever environmental aspects have the highest priority.
Extended Oil Life. The fluid has very good ageing stability (resistance to oxidation) which allows a long service period without any oil change.
Transformer protection. The fluid is compatible with commonly used transformer components
System Efficiency. The fluid ensures that heat transfer inside the machinery is effective.

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Specifications of Shell Naturelle Transformer Fluid S4 I are:

IEC 61099 T1
Meets IEC 61039 (replaced IEC 61100) K fire point classification, and low heat value classification 3
The product meets the performance requirements of original equipment manufacturers.
Maintenance should be carried out according to IEC 61203

Description Shell Naturelle Transformer Fluid S4 I

Shell Naturelle Transformer Fluid S4 I is a high performance, fully synthetic insulating fluid based on specially designed esters. It offers very high oxidation stability and good dielectric strength. Shell Naturelle Transformer Fluid S4 I is readily biodegradable and has low flammability.

Typical Characteristics

Properties			Method	Shell Naturelle Transformer Fluid S4 I
Appearance	-	-	DIN 57370	Bright and clear
Density	@20°C	kg/m3	ISO 12185	970
Kinematic Viscosity	@40°C	mm2/s	ISO 3104	27.2
Kinematic Viscosity	@-20°C	mm2/s	ISO 3104	1 170
Flash Point (PM)	°C	-	ISO 2719 / ASTM D93	255
Firepoint (COC)	°C	-	ISO 2592 / ASTM D92	310
Pour Point	°C	-	ISO 3016	-57
Breakdown Voltage (after treatment) kV	-	-	IEC 60156	72
Dielectric Dissipation Factor (After treatment)	@90°C	-	IEC 60747	0.01
Oxidation Stability (164 hrs) - Total Acidity	-	mg KOH/g	IEC 61125C	0.19
Oxidation Stability (164 hrs) - Sludge	-	% m maximum	IEC 61125C	0.01
Biodegradability	after 28 days	%	OECD 301B	72