Tb388b Programmable Timer - Iron Enclosure, 96 Operations, 15min Intervals, 110-240V AC Mechanical Timer Switch. Robust Iron Enclosure: Durable metal housing provides superior physical protection for industrial environments. Wide Voltage Input: Operates globally on 110-240V AC, 50/60Hz for versatile international use. High Load Capacity: Handles 20A resistive loads suitable for lighting, heating, and industrial equipment. 96 Daily Operations: Precise programming with 96 ON/OFF events at 15-minute intervals per day. Manual Control Switch: Features a 3-position OFF-AUTO-ON switch for flexible manual operation. Visual Status Indicator: Built-in indicator light allows for easy monitoring of power and status. Multiple Certifications: Compliant with CE, RoHS, and ISO9001 international standards. DIN Rail Mounting: Designed for 4-Module DIN Rail installation for easy integration.