The Narva 54640BLNA is a 40 AMP automatic reset circuit breaker designed to protect electrical circuits from overloads and short circuits. Here are some key features:

• Current Rating: 40 Amps
• Voltage Range: 6 to 24 volts
• Operating Temperature: -23°C to 65°C
• Design: Features an automatic reset (Type I) with a 90° bracket for easy installation
• Application: Suitable for automotive, marine, and other electrical systems requiring reliable circuit protection