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Principle and structure
18AM series thermal protector is a kind of current, temperature protector. When the heat generated by the increasing temperature from the protected appliances transmits to double-metal element, and reaching the temperature value of scheduled movement, the double-metal element will move immediately so that the contact will be switched off and the circuit will be cut off. When the temperature decreases to the rated temperature value of reposition, bimetal element will return to its initial state, the moving contact will be closed and the circuit will be on.
Instructions and applications
18AM series thermal protector has the features of small volume, sensitive induction, excellence tightness, and precise temperature. It is mainly used in safety protection in small motor under 0.5hp, transformers, rectifiers, battery, and appliances.
|18AM-B||16||6.8||3.1||Metal case, equipping with bush when it’s using.|
|18AM-B (strengthening type)||15.5||7.2||3.8|
|18AM-C||15||7.3||3.9||PBT plastic case|
|18AM-D (mini type)||13||6||3|
8A /24VDC 8A /125VAC 5A /250VAC
Open temperature: 50~150±5℃; one gear every 5℃.
UL E214731 (UL2111)
CQC07002021782 (18AM-C 18AM-D)
VDE 40022813 (DIN EN60730-2-2)