Features: 1. No switching spark, high switching speed, no noise. 2. Anti-vibration, with good electromagnetic compatibility and long life. 3. Especially suitable for corrosive, humid, dusty and other harsh environment. 4. High reliability and compact, an ideal module for temperature controller and other automatic control system. 5. Applicable for petrochemical equipment, food machinery, packaging machinery, CNC machine tools and other automated control fields. Specification: Item Type: Solid State Relay Material: Plastic + Metal Color: Shown As Pictures Model: 40LA Ambient Environment: -40℃+80℃ Setting Mode: Bolting Input Method: 500K potentiometer One-off Time: ≤10MS Off-state leakage current: ≤ 10mA Output Current: 40A Load Voltage: 28-280VAC Control signal: random type Control Current: 4-20mA On-state Voltage Drop: ≥ 1.8VAC Frequency Range: 47/63Hz Package Weight: Approx. 90g Package List: 1 * Solid State Relay 1、No switching spark, high switching speed, no noise 2、Anti-vibration, with good electromagnetic compatibility and long life 3、Especially suitable for corrosive, humid, dusty and other harsh environment 4、High reliability and compact, an ideal module for temperature controller and other automatic control system 5、Applicable for petrochemical equipment, food machinery, packaging machinery, CNC machine tools and other automated control fields