A103SYCB04 is an SPDT toggle switch from the Alcoswitch A Series, featuring gold contacts and PC terminals with a long bat actuator. The switch provides On-Off switching function with epoxy-sealed terminals for enhanced reliability. It features a machined brass toggle with heavy nickel plating and a rigid one-piece die cast bushing and frame. The switch is rated for gold contacts at 0.4 VA @ 20 VAC/DC max, with an operating temperature range of -20°C to +85°C and electrical life up to 30,000 cycles. This toggle switch is suitable for applications requiring reliable switching in instrumentation and control panels.