Product Overview
The Narva 54620BL is an automatically operated electrical device specifically designed to protect electrical circuits from damage caused by overload or short circuit conditions. This high-quality metal circuit breaker eliminates the need for fuse replacement by automatically resetting itself after a fault condition is cleared.
Key Features
- Automatic Reset (Type I): Self-resetting capability eliminates the need for manual intervention or fuse replacement
- Metal Construction: Durable metal housing ensures reliable performance and longevity
- 20 Amp Rating: Suitable for circuits requiring 20 amp protection
- Wide Voltage Range: Compatible with 6-24V electrical systems
- Temperature Rated: Operating temperature range from -23°C to 65°C
- 90° Bracket: Includes mounting bracket for versatile installation options
Technical Specifications
- Current Rating: 20 Amperes
- Voltage Range: 6-24V DC
- Operating Temperature: -23°C to 65°C
- Reset Type: Automatic (Type I)
- Construction: Metal housing
- Mounting: 90° bracket included
- Package: Blister pack of 1
How It Works
Unlike traditional fuses that operate once and require replacement, this circuit breaker can reset automatically to resume normal operation. The automatic units are cycling and continuously self-resetting, providing continuous protection without manual intervention. This makes them ideal for applications where accessibility for manual reset is limited.
Quality & Engineering
Narva products are engineered to the highest standards and tested by experienced quality and product engineers, providing ultimate peace of mind. All products carrying the Narva name incorporate world-leading technology to meet market expectations in performance, longevity and durability.

