Microtherm t11 series bimetallic thermal switches microtherm t11a18010u116l340300 a 180degc normally closed fully insulated thermal cut out features of this sensor such as small dimensions high power rating and no vibration noise plus excellent performance parameters means that this device is suitable for a range of uses such as over temperature protection temperature control and thermal cut out in such applications as motors transformers and coils microtherm t11a18010u116l340300 180