TZ Series High Temperature Limit Switch The TZ series limit switches have been designed to operate at extremely high temperatures. They have a stable operation at an ambient temperature of 400 C. The series incorporates a ceramic insulator, cobalt-alloy spring, and special-alloy contact, thus ensuring high contact reliability at high ambient temperature. Various models are available and users can choose from pin plunger, hinge lever or long or short roller lever. Operating temperature range: -65 to +400 °C (with no icing)
Contact rating: 1A at 250 Vac
Mechanical service life: 100,000 operations minimum
Electrical service life: 50,000 operations minimum