7 Day Digital 1CH 40A 120-277V DPST

7 Day Digital 1CH 40A 120-277V DPST Timer - Electrical Timing Control This 7 Day Digital Timer by NSI Industries is a single-channel, dual-pole single-throw (DPST) device designed for precise time control in electrical applications. Suitable for indoor and outdoor use with a NEMA 3R plastic enclosure, it supports a wide voltage range of 120-277 VAC and operates at 50-60 Hz frequency. Ideal for electrical distributors and lighting solutions providers, this timer is used in applications such as outdoor signs, lighting security, and HVAC systems. Specifications Manufacturer: NSI Industries Model Number: EW103B Input Voltage: 120-277 VAC Frequency Rating: 50-60 Hz Contact Rating: 40A at 120-277 VAC Number of Channels: 1 Number of Poles: 2 (DPST) Mounting: Screw Mount Base: Screw Enclosure: NEMA 3R Plastic, suitable for indoor/outdoor use Operating Temperature: -40 to +149 °F Product Weight: 2.0 lbs Initiation: Contact Features Digital 7-day scheduling with 20 ON/OFF set points per day, minimum 1-minute increments Automatic daylight saving time adjustment with option to omit Leap year automatic compensation Manual override function until next scheduled event Permanent schedule retention with supercapacitor providing 4 days of real-time backup Durable polycarbonate enclosure with lockable hasp for secure installation Designed for multipurpose control including lighting security, outdoor signage, and HVAC Downloads & Links Spec Sheet Short Instructions Operating Manual Catalog Page Wiring Diagram EW Series Spec Sheet