Hoyt Electrical Instrument Works, Inc. Alpha 40A Plus, Руководство по эксплуатации

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System
3 Phase 3 Wire / 4 Wire or Single
Phase programmable at site
Inputs
Nominal Input
Voltage
Max continuous
input voltage
Nominal input
voltage burden
System PT Primary 100V
L-L
to 1200 kV
L-L
,
Values programmable at site
1. 110 V (63.5 V )
2. 230 V (133 V )
3. 415 V (239.6 V )
L-L
120% of Nominal Value
<0.3 VA approx.
per Phase
LN
Nominal Input
Current 1A / 5A AC RMS
System CT primary
values
Nominal input
current burden
max continuous
input current
<0.3 VA approx. per phase
120% of Nominal value
Std. Values 1 to
1A / 5A,
9999A (1 or 5 Amp
secondary)
System CT Secondary
Values
programmable at site
L-L
LN
L-L
LN
Overload Indication
“-OL-”
>121% of Nominal value
(for voltage and current)
System PT
Secondary Values:
Input Voltage PT Secondary Settable Range
110V L-L (63.5V L-N) 100V – 125V L-L (57V – 72V L-N)
230V L-L (133V L-N) 126V – 250V L-L (73V – 144V L-N)
415V L-L (239.6V L-N) 251V – 480V L-L (145V – 277V L-N)
36
14. Optional Pluggable Module
CT1 CT2 CT3
V1 V2 V3 VN
I1 I2 I3
L1
L1 L2 L3 N
INPUT
FOR 3 PHASE 4 WIRE UNBALANCED LOAD
AUX
INPUT
L N E
I n s e r t t h e a d d o n
assembly here and fit
the assembly with the
lock.
G A B
RS 485
RELAY1
RELAY2
Com NC NO Com NC NO