A direct current power supply unit intended to supply stabilised DC electric power according to specified levels and tolerances.

battery back-up power supply unit

tag class

The duration   of time during which a functional or physical object is designed to deliver its rated output under specified conditions.

Specify the gas group classification of the physical object in accordance with IEC/EN 60079-20

Specify the temperature classification of the physical object in accordance with CENELEC EN50014

Specify the hazardous zone in which the functional or physical object is expected to operate.

The current that the functional or physical object can carry under short circuit fault conditions.

Property	Data Type	Max Length	Required	Picklist
autonomy time Number Required	Number		Required
explosion protection gas group Text Required Max Length: 40 Picklist: explosion protection gas group	Text	40	Required	explosion protection gas group
explosion protection temperature class Text Required Max Length: 40 Picklist: explosion protection temperature class	Text	40	Required	explosion protection temperature class
explosion protection zone Text Required Max Length: 40 Picklist: zone	Text	40	Required	zone
rated short circuit current Number Required	Number		Required