Blue Sea Systems 1231 120V AC Dual Source Selector Switch with Indicator Lights

• Backlight label positions
  
• Red "Reverse Polarity" LEDs installed
  
• Green "Power Available" LEDs installed
  
• Lockout slides prevent connecting multiple AC sources simultaneously

• Source Selection: 2
  
• Nominal Voltage: 120V AC
  
• Height: 4.75" (120.65mm)
  
• Width: 4.88" (123.95mm)
  
• Depth: 3.00" (76.2mm)
  
• Weight: 1.71lb (0.78kg)

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

The Blue Sea Systems 1231 is a reliable and efficient 120 Volt AC dual source selector switch designed to seamlessly manage two power sources with a maximum capacity of 50 amps. Ideal for marine, RV, and industrial applications, this switch offers clear visual indicators to ensure safe operation and easy monitoring. The switch features backlit label positions, providing enhanced visibility in low-light conditions, and incorporates red LEDs for reverse polarity warnings along with green LEDs indicating power availability, facilitating quick status assessment. Lockout slides are integrated to prevent simultaneous connection of multiple AC sources, ensuring operational safety and preventing electrical faults.

Constructed with durability in mind, the switch measures approximately 4.75 inches in height, 4.88 inches in width, and extends about 3 inches deep. It weighs around 1.71 pounds, making it suitable for various installation environments. The device includes two double-pole 50A circuit breakers from Blue Sea Systems' A-Series, offering robust protection and reliable switching capabilities. Designed for ease of installation and maintenance, the switch is an essential component for systems requiring manual source selection with visual status indicators. Please note that this product contains chemicals known to the State of California to cause reproductive harm; refer to the provided safety warnings for further information.

For detailed installation instructions, consult the owner’s manual available [here](https://productimageserver.com/literature/ownersManual/57239OM.pdf). This switch is not suitable for truck freight or oversized shipping, ensuring straightforward delivery and setup in your application environment.

Features:

• Backlight label positions for enhanced visibility

• Red LEDs indicating reverse polarity alerts

• Green LEDs indicating power availability

• Lockout slides prevent connecting multiple AC sources simultaneously

• Includes two 50A double-pole circuit breakers from Blue Sea Systems