Features: The board is made of high quality material and original imported electronic components. Advanced SMT technology, beautiful appearance. Rational distribution of components, input/output terminal, compact structure, easy installation. Input status indication can visually display work status of each channel. Convenient to mount with standard DIN rail, and the board has water-resistant paint spraying. Imported SCR has small on-resistance, long service life and can withstand 800V. Professional circuit design, with self-check, over current, short circuit (breaker), anti-interference protection circuit, safe and reliable. Suitable for digital quantity output of controller that installed in PLC and MCU industrial control board. Specification: Input voltage: 24 V DC Output voltage: 0~220 V AC Rated load current: 3.15 A SCR type: BT137-600E Electrical life: 50,000 hours Mechanical life: 20 million times Action/release voltage: >5 V DC/1.5 V DC Action time/release time: <10 ms/<10 ms Installation method: Direct mount on DIN 35mm rail Size: 6.1 * 8.7 * 4.6cm / 2.4 * 3.4 * 1.8in Package list: 1 * Board Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1The board is made of high quality material and original imported electronic components. 2Advanced SMT technology, beautiful appearance. 3Rational distribution of components, input/output terminal, compact structure, easy installation. 4Input status indication can visually display work status of each channel. 5Convenient to mount with standard DIN rail, and the board has water-resistant paint spraying.