measuring and monitoring relay rated voltage 400 480 volts ac 15 50 6 0 hz rated operational power 13 v a at 400v ac as per rcf spec edts 073 amend 5 as per drg n o nil as per specn rcf spec edts 073 amend 5 warranty period 30 months after the date of delivery quantity tolerance 5 age item category normal total po value variation permitted max 8 lacs