NSI EWZ120 Multipurpose Timer Switch, 30A, SPDT, Astronomic, Indoor/Outdoor
Product details
| Management number | 242505888 | Release Date | 2026/07/19 | List Price | US$105.50 | Model Number | 242505888 | ||
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NSI Multipurpose Timer Switch — Indoor/Outdoor & Astronomic
The NSI EWZ120 timer switch, finished for both indoor and outdoor applications, is a versatile control solution for lighting, HVAC, and security systems. This timer switch supports 30A load capacity and operates on 120-277VAC with a SPDT function type, making it suitable for a wide range of applications.
Key Features
- Voltage: Compatible with 120-277VAC, 50/60Hz for flexible installation.
- Load Capacity: Rated for 30A across various load types including inductive and resistive.
- Pole Configuration: Single-pole double-throw (SPDT) for versatile switching.
- Astronomic Scheduling: Automatically adjusts to sunset times with latitude settings.
- Daylight Saving: Automatic adjustment with an option to omit.
- Manual Override: Allows temporary bypass until the next scheduled event.
- Backup Power: Supercapacitor provides 4 days of real-time backup during power outages.
- Enclosure: NEMA 3R rated for both indoor and outdoor use, ensuring durability.
- Temperature Range: Operates in extreme temperatures from -40°F to 149°F (-40°C to 65°C).
- Terminal Range: Accepts #8 - #16AWG wire for secure connections.
Construction & Interface
The EWZ120 features a durable polycarbonate enclosure with a lockable hasp, suitable for both indoor and outdoor environments. The enclosure is NEMA 3R rated, ensuring protection against weather elements. Note that the wallplate is sold separately.
Sensor, Smart & Timer Capabilities
This timer switch offers astronomic scheduling, adjusting to daily sunset times with latitude settings. It includes 20 ON/OFF set points for individual daily programs, with a minimum setting of 1 minute, providing precise control over connected loads.
Wiring & Installation
The EWZ120 does not explicitly require a neutral wire, simplifying installation. It supports single-pole double-throw (SPDT) configurations and accepts #8 - #16AWG wire, ensuring compatibility with various wiring setups.
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