L1 is a compact, single pole, push-to-reset thermal circuit breakers. Widely used in household and commercial appliances, transportation, marine, telecommunications, power strips, audio-visual,, and power supplies. Family Thermal Circuit Breakers Amps 3A-50A Rated Current 5A Category L Series L1 Voltage 125-250Vac;50V dc Mounting QC Reset Type T3, Manual Reset Operating Temperature -10oC (14oF) to 60oC (140oF) Interrupt Capacity 1,000 Amps Dimension 35.0 x 31.0 x 14.6 mm The part is not designed for push on / push off manual switch operation, but the button pops out at overload and is reset by pushing back in. Push-to-reset operation with white manual reset button. Mounts in 3/8 inch (10 mm) round hole. Fine workmanship and good performance. Easy to install. Durable in use. Suitable for automotive, industrial, marine etc. Colour: Black Material: plastic + metal Package included: 1 x Circuit Breaker Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.