Product
group
GG
Foxtam active power (Watts) transducers can measure directly or via inputs from current transformers and/or voltage transformers. All active power transducers require a separate auxiliary supply. At the time of ordering the input details especially CT and VT input ratio details must be specified. Any specific scale range can also be determined, otherwise a sensible scale range from the input details supplied will be calculated. The 4KV isolated output signals are suitable for many applications, such as inputs to analogue and digital meters, PLC’s or BMS.
Transducer types include:-
FOX.TR.W.12 – Single phase, requiring a single current and voltage input.
FOX.TR.W.33B – Three phase, three wire balanced load, requiring current inputs from L1 & L3 and voltage inputs from L1 & L3. On request the unit can be configured current input L1 only and voltage inputs L1, L2 & L3 (the housing width will increase to case size 3).
FOX.TR.W.33U – Three phase, three wire unbalanced load, requiring current inputs from L1 & L2 and voltage inputs from L1, L2 & L3. On request the current input can be from L1 & L3.
FOX.TR.W.34B – Three phase, four wire balanced load, requiring a single current input from L1 and a voltage input from L1 along with the Neutral.
FOX.TR.W.34U – Three phase, four wire unbalanced load, requiring current and voltage inputs from L1, L2 & L3 plus the connection of the Neutral.
Any of the above active power transducers can be supplied as bi-directional (import / export) with a +/- analogue output or a 4-12-20mA output.
Accuracy: Class 0.25
Input Voltage:
0-50V...600VAC direct
VT ratio specify
Current input:
0-0.7A...7.5A direct
CT ratio specify 1A or 5A
Overload:
1.2 x Un & 2 x In continuous
1.5 x Un & 30 x In for 1 sec
Working range: 0-120%
Frequency: 50Hz or 60Hz
Input burdens:
<0.2VA voltage input
<0.3VA current input
FOX.TR.W.12-Single phase: 2
FOX.TR.W.33B-3P3W Balanced: 2
Special configuration detailed in description tab: 3
FOX.TR.W.33U-3P3W Unbalanced: 3
FOX.TR.W.34B-3P4W Balanced: 2
FOX.TR.W.34U-3P4W Unbalanced: 3
TYPE
FOX.TR.W.12 / Single phase
FOX.TR.W.33B / 3P3W balanced
FOX.TR.W.33U / 3P3W unbalanced
FOX.TR.W.34B / 3P4W balanced
FOX.TR.W.34U / 3P4W unbalanced
INPUT RANGE
0-50....600VAC direct*
VT ratio*
Plus:-
0.7A....7.5A direct*
CT ratio*
OUTPUT
0-1mA
0-2.5mA
0-5mA
0-10mA
0-20mA
4-20mA**
0-1VDC
0-5VDC
0-10VDC
AUX SUPPLY
24VAC
63VAC
110VAC
230VAC
415VAC
24VDC
48VDC
110VDC
*Specify exact direct input ranges required and/or CT & VT ratios
**For bi-directional active power transducers (import / export versions), also +/- output signals can be specified for example -10VDC to 0 to +10VDC
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