ENVIRONMENTAL CONDETIONS: Temperature Range: -55~+85 C Relative Humidity: Up to 98% at +40 C Atmospheric pressure: 86kPa~106kPa, Low pressure 4 kPa Vibration: 10~2000Hz, 196 m/s2 Shock: 735m/s2 Acceleration: 490 m/s2. TECHNICAL REQUIREMENTS: Rated Voltage: 12VDC, 18VDC, 24VDC, 27VDC Insulation Resistance: 1000Mohm Dieletric Withstanding Voltage: (RMS/50Hz) 500V Contact Resistance: 0.1ohm Rated Load: 2A28VDC, 4A28VDC Life: 1x105: 1x105 / 2x104 Contact Form: 2C(DPDT); Time Delay: 0.05~500s(Nonadjustable) Outline Dimensions: 20.5 x 10.5 x 15mm Weight: 13g .