6EP1961-3BA00
SIEMENS SITOP MODULAR BUFFER MODULE FOR 6EP1X3X-3BA00 BUFFER TIME 100 MS AT 40 A, 200 MS AT 20 A, UP TO MAX. 3 S IN CASE OF LOW LOAD CURRENT
6EP1931-2EC01
SIEMENS SITOP POWER DC-USV MODULE 15 UNINTERRUPTED POWER SUPPLY WITH CHARGER FOR 24 V LEAD RECHARGEABLE BATTERY INPUT 24 V DC/16 A OUTPUT 24 V DC/15 A