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IEC60335-2-30 Fig 103 Electrical Appliances Room Heater Surface Temperature Rise Tester

June 09, 2026
This test corner conforms to the standard requirement of Clause 11.2, Figure 103 of IEC 60335-2-30:2009+AMD1:2016 +AMD2: 2021.
This test box is made of dull black-painted plywood approximately 20 mm thick is used. The wall A can be positioned at different distances from the far end of the test box. The test box is placed in the test corner, with side B against one wall of the test corner and the sloping end of the test box against the other wall of the test corner. The test corner shall be at least 470 mm wide, 760 mm deep and 470 mm high. The cab heater is placed in the test box in the most unfavourable position according to the manufacturer's instructions, if it will fit into the test box, and with the distance L = 0 mm. The shortest distance to the wall of the test box shall not be less than that stated in the manufacturer's instructions for the shortest permissible distance between the heater outlet and the interior surfaces of the motor vehicle. The wall A of the test box may be moved to increase L to a maximum distance L= 220 mm. If the manufacturer has not supplied any instructions for the placing of the cab heater or if the heater cannot fit in the test box, the cab heater is placed in the most unfavourable position on the floor of the test corner. Heaters containing PTC heating elements are placed away from the walls if this will lead to higher temperatures.
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