The MCC95-18io1B is a part manufactured by IXYS Power Semiconductor. It is a dual powercont, single phase, zero-cross, 18A Bidirectional Solid State Relay, rated for 10-32VDC. It is designed to provide solid state control of high power loads in AC and DC applications. It features a 800µs on-state delay, 13µs off-state delay, high surge voltage capability, and a wide operating temperature range of -50 to +125°C. It has very low on-resistance, low input current and low voltage control. This part is ideal for switching large loads in high-power applications.