P44x/EN TD/Hb
MiCOM P40 Agile P442, P444
(TD) 2-
Ratings
AC Measuring Inputs
Nominal frequency:
∗ 50 and 60 Hz (settable)
Operating range:
∗ 45 to 65 Hz
AC Current
Nominal current (In):
∗ 1 and 5 A dual rated (separate terminals
are provided for the 1A and 5A windings,
with the neutral input of each winding
sharing one terminal)
Nominal burden per phase 1 A:
∗ <0.04 VA at rated current
Impedance per phase 1 A:
∗ <40 mΩ over 0 – 30 In
Nominal burden per phase 5 A:
∗ <0.15 VA at rated current
Impedance per phase 5 A:
∗ <8 mΩ over 0 – 30 In
Thermal withstand:
∗ continuous 4 In
∗ for 10 s: 30 In
∗ for 1 s; 100 In
Linear to 64 In (non-offset AC current).
AC Voltage
Nominal voltage (Vn):
∗ 100 to 120 V phase-phase
Nominal burden per phase:
∗ < 0.02 VA at 110/√3 V
Thermal withstand:
∗ continuous 2 Vn
∗ for 10 s: 2.6 Vn
Power supply
Auxiliary Voltage (Vx)
Three ordering options:
(i) Vx: 24 to 48 Vdc
(ii) Vx: 48 to 110 Vdc, and 40 to 100Vac (rms)
(iii) Vx: 110 to 250 Vdc, and 100 to 240 Vac (rms).
Operating Range
(i) 19 to 65 V (dc only for this variant)
(ii) 37 to 150 V (dc), 32 to 110 V (ac)
(iii) 87 to 300 V (dc), 80 to 265 V (ac).
With a tolerable ac ripple of up to 12% for a dc
supply, per IEC 60255-11: 1979.
Nominal Burden
Quiescent burden: 12 W
Additions for energized binary inputs/outputs:
Per opto input:
∗ 0.09 W…(24 to 54 V),
∗ 0.12 W...(110/125 V),
∗ 0.19 W...(220/250 V).
Per energized output relay: 0.13 W
Per energized high break output relay: 0.73 W
Power-up Time
Time to power up < 11 s.
Power Supply Interruption
Per IEC 60255-11: 1979
The relay will withstand a 20 ms interruption in
the DC auxiliary supply, without de-energizing.
Per IEC 61000-4-11: 1994
The relay will withstand a 20 ms interruption in
an AC auxiliary supply, without de-energizing.
Battery Backup
Front panel mounted Type ½ AA, 3.6 V
Field Voltage Output
Regulated 48 Vdc
Current limited at 112 mA maximum output
The operating range shall be 40 V to 60 V with
an alarm raised at <35 V
Digital (“Opto”) Inputs
Universal opto inputs with programmable
voltage thresholds. May be energized from the
48 V field voltage, or the external battery
supply.
Rated nominal voltage: 24 to 250 Vdc
Operating range: 19 to 265 Vdc
Withstand: 300 Vdc.
Nominal pick-up and reset thresholds:
∗ Pick-up: approx. 70% of
battery nominal set,
∗ Reset: approx. 64% of
battery nominal set.
Recognition time:
∗ <2 ms with long filter removed,
∗ <10 ms with half-cycle ac immunity filter on.
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