The IC1101T1B2M2QE is an IC Switch manufactured by Jacobs Electronics. It is a dual-throw, single-pole, 12-position rotary switch. It is used in a number of applications, such as power supply control, digital potentiometer control, and multiplexer control. The switch has two 2-position terminal blocks, one 3-position terminal block, and an integrated hexagonal knob. It has a minimum contact resistor of 100 ohms, a maximum contact current of 5 A, and an insulation resistance of 500 M ohms. The switch has an operating temperature range of -55°C to +125°C and is rated for an electrical life of up to 20,000 operations.