The Western Electric KS-14717-L1 DC Ammeter 301-57 is a precision panel mount meter designed for accurate measurement of direct current (DC) in electrical circuits. This instrument is ideal for integration into control panels, providing real-time monitoring of current flow. **Key Features:** – **Measurement Range:** Capable of measuring DC currents up to 50 milliamperes (mA), making it suitable for low to moderate current applications. – **Design and Construction:** Housed in a durable clear plastic case, the meter offers both protection and visibility. Its compact design ensures easy integration into various panel configurations. – **Model Specifications:** The 301-57 model is part of the renowned Weston Model 301 series, known for their reliability and precision in electrical measurements. – **Panel Mounting:** Designed for seamless panel integration, the meter features a standard mounting configuration, facilitating straightforward installation. This ammeter is an excellent choice for professionals seeking a dependable and accurate instrument for monitoring DC currents in electrical systems.