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2015-09-11
The IEC 60335 requirements for glow wire tester
According to IEC 60335 clause 30.2.2 , for appliances that are operated while attended, parts of non-metallic material supporting current-carrying connections and parts of non-metallic material within a distance of 3 mm of such connections, are subjected to the Glow Wire Tester of IEC 60695-2-11.
NOTE 1 Contacts in components such as switch contacts are considered to be connections.
NOTE 2 The tip of the glow-wire should be applied to the part in the vicinity of the connection.
NOTE 3 Some applications of the term "within a distance of 3 mm" are shown in Figure O.5.
The test severity is:
– 750 °C, for connections that carry a current exceeding 0,5 A during normal operation,– 650 °C, for other connections.
The Zhilitong Electromechanical Co., ltd supplies Glow Wire Tester ZLT-GTR, which complies with above requirements of IEC 60335 standard.
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