parallax power
Parallax Power ATS503 Transfer Switch
- SKU:
- 19548849
- MPN:
- ats503
- Availability:
- Usually ships the same or next business day. In stock at our CA, FL, KS, MI, PA, TX, WA warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/20/2025 07:27:16 AM PST
- Stock Update:
- 12/20/2025 07:27:16 AM PST
Description
This item is brand-new, factory sealed.
Parallax Power Supply ATS503 120/240V 50 Amp Transfer Switch- 120/240 Volt
- With a flick of the generator switch, the ATS 503 line generator switch from Parallax transfers power smoothly between shoreline power and generator/secondary power source, regardless of line voltage conditions
- Engineered for superior reliability in 50 Amp
- Electronic circuit board design is proven in extensive cycle testing to withstand heat and torque
- Easy installation
- Manufacturer: AP Products
- Brand: Parallax Power Supply
- Model: ATS503
- Item Weight: 10 pounds
- Product Dimensions: 14 x 12 x 6 inches
- Item model number: ATS503
- Manufacturer Part Number: ATS503
Parallax Power Supply Line Generator Switch Model ATS 503. With a flick of the generator switch, the ATS 503 line generator switch from Parallax transfers power smoothly between shoreline power and generator/secondary power source, regardless of line voltage conditions. ATS 503 is engineered for superior reliability in 50 Amp, 120/240-volt electrical systems (per the new UL Standard 1008). Electronic circuit board design is proven in extensive cycle testing to withstand heat and torque. The low-profile chassis measuring just 3-1/2 high allows mounting in areas not possible with other 50 Amp transfer switches, and installation can be made without cover removal. Manual shut-off for time delay optimizes use with inverters. 10 lbs.
Warranty Information