SITOP DC UPS module 24 V/40 A Uninterruptible power supply with USB interface Input: DC 24 V/42.6 A Output: DC 24 V/40 A The uninterruptible power supply with battery modules is the ideal addition to all 24 V power supplies. It bridges longer power outages lasting up to hours and thus ensures uninterrupted system operation. Even if a larger buffer current is required, the DC UPS with maintenance-free lead batteries offers optimum safety.