The 3057Y-1-501 is a Trimpot® trimming potentiometer featuring a 1-1/4" rectangular multiturn wirewound design with sealed industrial construction. It offers a standard resistance range of 10 to 50 kO with ±5% tolerance, 22 turns of adjustment travel, and a nominal resolution of 0.89% at 500 O. The device operates over a temperature range of -55°C to +150°C with a power rating of 1 watt at 70°C, insulation resistance of 1,000 MO minimum at 500 VDC, and dielectric strength of 1,500 VAC at sea level. The 3057Y style features compact dimensions with 0.028" ± 0.001" diameter solderable pins and flexible leads, making it suitable for precision trimming applications in industrial electronics, instrumentation, and control systems where reliable adjustment and environmental sealing are required.