VOLTAGE OPERATED AUXILIARY RELAY (2 ELEMENTS) WITH SR CONTACTS : AVA21 Standard Specifications : Operating Limits: 70 to 110% of rated coil voltage. Operational Time : 20 - 25 ms at nominal rated voltage. Coil Rating : 24V / 30V / 110V / 220 VDC. AC coils are also available. Burden @30 VDC / 24 VDC : 3 VA, @110 VDC : 2 VA, @220 VDC : 4 VA. Operational Indicator : Mechanical Flag (Red for Alarm, White for Normal) in window : HR Type. Contacts : 4 pair of SR. Combinations : 4NO, 3NO+1NC, 2NO+2NC, and 1NO+3NC. Each Relay conforms : IS : 3231 - 1981 fully for all requirements.