Ceramic body construction permits higher interrupting ratings and voltage ratings. Ideal for applications where high current loads are expected. 250 Volts. 1⁄4" × 11⁄4".*Approvals:** Listed by UL and Certified by CSA from 1⁄4 through 30 Amps. Recognized under the Components Program of UL from 12 through 30 Amps. **Electrical Characteristics. % of Ampere Rating/Opening Time:** 110% — 4 hrs. min., 135% — 1 hr. max., 200% — 5 Sec min.