Comparison RITAR RTM500 Standby-L 500 VA vs RITAR RTP500 Standby-L 500 VA

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	RITAR RTM500 Standby-L 500 VA	RITAR RTP500 Standby-L 500 VA
	from $33.80 up to $50.92 Outdated Product	from $156.47 Expecting restock
all specs only differences
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Type	smart	smart
Form factor	standard (Tower)	standard (Tower)
Full load operating time	10 min	10 min
Switching to battery	10 ms	10 ms
Input
Input voltage	1 phase (230V)	1 phase (230V)
Input voltage range	175-265 V	175-265 V
Max. current	4 А
Bypass (direct connection)	is absent	is absent
Output
Output voltage	1 phase (230V)	1 phase (230V)
Peak output power	500 VA	500 VA
Rated output power	300 W	300 W
Output waveform	similar to a sinusoid (approximated)	similar to a sinusoid (approximated)
Output frequency	50-60 Hz	50-60 Hz
Redundant sockets	2	2
Socket type	type F (Schuko)	type F (Schuko)
Battery
Total battery capacity	4.5 Ah	4.5 Ah
Number of batteries	1	1
Cold start
Protection
Protection	short circuit protection overload protection noise filtering sound alarm	short circuit protection overload protection noise filtering sound alarm
Fuse	melting	auto
General
Operating temperature	0 – 40 °C	0 – 40 °C
Dimensions (HxWxD)	143x97x314 mm	143x97x314 mm
Weight	4.2 kg	4 kg
Added to E-Catalog	june 2016	june 2016

Max. current

The maximum current drawn by the UPS. In fact, the current reaches its maximum value only when the UPS is operating from the mains with maximum load power and a completely discharged battery. However, when calculating the load on the power grid, this parameter should be taken into account.

Fuse

Fuses are used to protect the UPS from a critical increase in current strength: at the right time, they open the circuit, preventing unpleasant consequences. Today, these types of fuses are used.

— Melting. At a critical current strength, the conductive element in such a fuse melts and opens the circuit. The fusible protection is disposable, after operation such a fuse must be replaced.

— Automatic. Such a fuse has a sensor that monitors the current strength and opens the contacts at the right time. Its main difference from fusible is reusability: after operation, the circuit can be closed again with literally one press of the button on the fuse.