Hot Flaming Oil Test Device – IEC 60950 Annex A.3.

Hot Flaming Oil Test Device / Hot Flaming Oil Flammability Test Chamber – IEC 60950 Annex A.3

The Hot Flaming Oil Test Device is a test system designed to evaluate the fire risk of oil-filled sections in electronic equipment. This test is applied to determine the ignition potential and fire hazard of components containing oil at specific temperatures.

This test device is used in compliance with IEC 60950 Annex A.3 to examine the flammability of components present in hot oil. Liquids such as insulating and transformer oils, which are exposed to high temperatures in electrical equipment, are thoroughly evaluated using this test.

Main Features

• Wide Temperature Range: Precise temperature control between 100°C and 400°C.
• High-Sensitivity Sensors: Accurately measures oil temperature and ignition thresholds.
• Fireproof Test Chamber: Designed with special fire-resistant materials to ensure test safety.
• Standards Compliance: Fully compliant with IEC 60950 Annex A.3.
• User-Friendly Interface: Touchscreen control with programmable test duration.

Technical Specifications

• Test Chamber Size: 50x50x50 cm or custom dimensions upon request.
• Maximum Temperature: 400°C.
• Temperature Control Accuracy: ±1°C.
• Sensor Type: Thermocouple Type T, K.
• Ignition Detection: Flame detection sensors and smoke detectors.

Application Areas

• Electronics and Electrical Devices: Combustion testing for sections containing transformer oils and cooling fluids.
• Automotive Industry: Analysis of fire risk in engine oils and hydraulic systems.
• Aerospace and Defense Industry: Fire risk tests for hydraulic and high-temperature systems.

Other Standards Covering the Hot Flaming Oil Test Device

• IEC 60950 Annex A.3 – Oil combustion test for electrical devices.
• UL 746A – Polymeric Materials – Oil tests for flammable polymeric materials.
• ASTM D92 – Cleveland Open Cup (COC) – Flash point testing for oils.
• ISO 2592 – Flash point tests for mineral oil and other flammable liquids.
• MIL-STD-810H, Method 504 – Oil contamination and combustion test.

Relevant Sections and Figures in Standards

• IEC 60950 Annex A.3 – Defines detailed test procedures.
• ISO 2592, Section 6.1 – Description of flash point testing.
• ASTM D92, Figure 3.2 – Flaming oil ignition test setup.
• MIL-STD-810H, Method 504, Figure 4 – Fire test mechanism for oils and hydraulic fluids.

For more information about the Hot Flaming Oil Test Device – IEC 60950 Annex A.3 or to place a custom-sized order, please contact us.

The procedure follows the hot flaming oil test described in IEC 60950-1, Annex A.3.2.

Standard reference

The hot flaming-oil test follows IEC 60950-1 Annex A.3.2 (now carried into IEC 62368-1): burning oil is dropped onto the specimen to verify that materials beneath an oil-containing component do not propagate fire. The drop arrangement and quantity follow the annex.