I need to replace a damaged 24V DC power supply for a water pump. The PSU's specs are: Input: 100-240V~ 50/60Hz 2.5A Output: 24V = 5.0A Can I use a power supply with the following specs, even if the input amps rating does not match? Input: 100-240V~ 50/60Hz 0.3A Output: 24V = 5.0A...

(A question for UK residents; 240v,13amp; British regs.): I've never been able to fully conceptualize the difference between voltage and current. Usually, that has not been a problem, as carefully observe the normal 5 or 13amp fuse criteria, just like everybody else. The "power brick"...