The T101P3 Intermatic timer has a heavy duty mechanical timer and is designed for commercial and residential applications including pool and spa applications. For Indoor / Outdoor use 110 Volt
This model provides up to 12 ON-OFF operations each day with minimum ON-OFF time of 1 hour. This model is also equipped with "ON" and "OFF" trippers and is available in a plastic indoor-outdoor enclosure.
Product Specs:110 Volt
NEMA 3R Case - 9-3/8" (23.8 cm) high x 5-1/2" (14.0 cm) wide x 3-5/8" (9.2 cm) tall.
Knockouts - Combination 1/2" - 3/4" nominal knockouts, one on the back and each side of case, two on bottom