Allen - Bradley 700 - HN128 is a relay socket. Here are its main parameters: Control/Input Ratings: Rated Control Voltage: 5…24V DC, 100/110V AC, 200/220V AC, etc. Operating Control Voltage Range: 4…28V DC for DC type, 75…125V AC for 100/110V AC type, 150…250V AC for 200/220V AC type. Impedance: 15mA max. for DC (5 - 24V DC type), 41kΩ±20% for 100/110V AC type, 72kΩ±20% for 200/220V AC type. Pick - up Voltage: 4V DC max. for DC, 75V AC max. for 100/110V AC type, 150V AC max. for 200/220V AC type. Drop - out Voltage: 1V DC min. for DC, 20V AC min. for 100/110V AC type, 40V AC min. for 200/220V AC type. Output Characteristics: Output On Voltage Drop: 1.6V (rms) max. for some types, 1.5V max. for others. Output Leakage Current: 5mA max (@100V AC) or 10mA max (@200V AC) for AC, 5mA max (@50V DC) or 0.1mA max (@100V DC) for DC. Output VDRM, VCEO: 600V for some cases, 80V for others. Output di/dt: 50A/μs. Output dv/dt: 250V/μs. Output I²t: 18A²s. Output TJ Max: 125°C or 150°C. Other Parameters: Insulation Resistance: 100MΩ min (@500V DC). Dielectric Strength: 1,500V AC, 50/60Hz for 1 minute. Vibration Resistance: 10…55Hz, 1.5mm double - amplitude (10g). Shock Resistance: 1,000m/s² (100g). Ambient Temperature: Operating: - 30°C…80°C (- 22°F…176°F), Storage: - 30°C…100°C (- 22°F…212°F).