Astro Wall Sw Timer 120/277V LED White Digital Timer Switch

The Astro Wall Switch Timer SS703Z by NSI Industries is a digital, in-wall timer designed for precise control of lighting and electrical loads in commercial and residential applications. Suitable for use by electrical distributors and lighting solutions providers, this timer supports 120/277V input and is compatible with LED lighting. It offers advanced scheduling features, making it ideal for controlling outdoor security lighting, interior lights, fans, motors, and appliances without requiring a neutral wire. The device is also suitable for integration by wire and cable and switchgear suppliers focusing on efficient load management.

Specifications

• Input Voltage: 120/277 VAC, 50/60 Hz
• Contact Rating: 120 VAC
• Switch Type: SPST
• Number of Poles: 1
• Frequency Rating: 60 Hz
• Operating Temperature: 32 to +104 °F (0 to 40 °C)
• Dimensions (W x H x L): 1.695 in x 2.677 in x 1.74 in
• Mounting: Single Gang Wall Plate
• Wire Size: #12 AWG input/output, #16 AWG 3-way (remote)
• Contact Configuration: SPST
• Initiation: Contact
• Product Weight: 0.39 lbs

Features

• Scheduling: 10 ON/OFF pairs per day with 11 day groups for flexible programming
• Astronomic Sunset/Sunrise adjustment with latitude settings from 10° to 60° (Northern or Southern)
• Random Mode to vary ON/OFF times for lived-in look when away
• Automatic Daylight Saving adjustment (optional)
• Leap Year automatic compensation
• Manual Override and Manual Mode for user control and vacation settings
• Easy wiring without neutral required; supports 3-way switch operation
• AM/PM clock format
• Power outage backup with supercapacitor providing 2 days of real-time schedule retention
• Commercial grade switching with no minimum load requirement
• Enhanced switching technology limits inrush current to protect relay contacts

Downloads & Links

• SS703Z_spec_120715.pdf
• 372_ss700z_digital17.pdf