COIL CHARACTERISTICS (Vdc) SERIES A270-100 CODE A Vdc Nominal operating voltage 28Vdc Pick-up voltage, maximum  -Normal, max, continuous current 18Vdc @-55°C to +85°C  -Current continuous test 22Vdc Drop-out voltage, maximum 1.5-7Vdc @ +25°C; 1.0-7Vdc @ -55°C to +85°C Max coil current at 28Vdc +20°C hold 330mAmp Maximum contact voltage drop 150mV Consult factory for other coil voltages. GENERAL CHARACTERISTICS Temperature range -55°C to +85°C Minimum operating cycles (life) at rated resistive load 20,000 Mechanical life (cycles) @10% of rated voltage and current 100,000 Dielectric strength at sea level                                                                                                              Initial/After Life - Main contacts 1,500/1050 Vdc - Coil and aux. contacts 1050/500 Vdc Insulation resistance - Initial (500 Vdc @°20C) 100 M W min - In service 50 M W min Sinusoidal vibration per MIL-STD-202, Method 204 0.036 D.A. 10 – 52 Hz 5G 52-500Hz 10G 500 – 2000 Hz Shock (11 ms duration per MIL-STD-202, Method 213) 20 G Max. contact opening time under vibration and shock 10µ (see chatter/1µsec. transfer) Operate time at nominal voltage (Including bounce) @ +25°C 20 ms max Release time at nominal voltage (Including bounce) 15 ms max Contact bounce at nominal voltage 4 ms max Altitude 45,000 Feet; 70,000 feet [1]

Date of issue: 04/07 - 77 - Page 2 of 4