Specification:

Input voltage :

High voltage tap (400V):340V-5% to 480V=5%

Low voltage tap (110V):90V-5% to 140V+5%

Medium voltage tap (230V):200V-5% to 240V+5%

Maximum current for 10s:10A

Internal voltage rheostat :

The voltage can be adjusted using the internal rheostat P1. This rheostat is designed to provide +/-5% adjustment from any voltage within the above voltage ranges.

Remote voltage rheostat :

If required, remove the ST10 jumper in order to connect a remote voltage rheostat.

A 470 Ohms – 3W rheostat can be used for a +/-5% voltage adjustment range or a 1k Ohms – 3W rheostat for a +/-10% voltage range.

An ST1 jumper was included on older R731 modules to increase the voltage adjustment range but was discontinued.

voltage droop

Current sensing : C.T. for // operation

Location : standard line 1 (U), option line 2 (V).

– Maximum continuous current : 1.3A

– Nominal current : 1A

– Maximum current for 10s : 10A

Voltage droop rheostat :

The P2 rheostat on the R731 can be used to adjust the voltage droop. It is designed to provide a minimum voltage droop of 8% at 0 power factor and 1A from the paralleling CT.