The 3SB3403-1RC is a 3-pole selector switch produced by Siemens. It is designed to be used in both manual and automatic control systems, and it is suitable for use in applications ranging from industrial machinery and control systems to domestic heating and lighting systems. The 3SB3403-1RC is a single-pole, double-throw switch with both a momentary and a latching action. It comes with a black phenolic body, a red plastic handle, and 6 screw terminals for easy connection to other devices. The 3SB3403-1RC has a rated voltage of 240V AC at a rated current of 5A. It can be used in both a dry and wet environment, has a high insulation resistance, and is protected against both gas explosions and electrostatic discharges.