Alstom MiCOM P846, Technical Manual

Page: 29 / 298

Technical Data P846/EN TD/D
MiCOM P846
(TD) 2-3
TD
30A for 3 secs, dc resistive, 10,000
subject to the above limits of
e)
30A for 3 secs, dc resistive, 5,000
the above limits of
ge)
operations (subject to the above limits of
)
(subject to the above limits of make / break
s – 2 minutes idle
for thermal dissipation
MOV protection: Max Voltage 330V dc
Loaded contact: 10 000 operations
minimum,
ms
te that these con sensitive.
efer to the external connection diagram for
rammable contacts for relay
tion:
e (L/R = 40ms)
(cos
φ
= 0.7)
External clock synchronization per IRIG
ormat B.
20V
nvironmental Conditions
31°F).
midity and +40°C
0,
sistance > 100M
Ω
at 500Vdc
shless insulation
e Distances and Clearances
-5: 2000
5 kV.
EIA(RS)232 ports excepted.
ent
d
Per IEC 60255-5: 2000
ue: 50 µs,
/R No of
shots in
Make, Carry:
operations (
make / break capacity & rated voltag
Make, Carry & Break:
operations (subject to
make / break capacity & rated volta
30A for 200 ms, dc resistive, 10,000
make / break capacity & rated voltage
10A (*), dc inductive, 10,000 operations
capacity & rated voltage)
*Typical for repetitive shot
Voltage Current L
Durability:
Unloaded contact: 100 000 operations
minimum.
Operate Time (Total circuit response):
Less than 0.2
Reset Time (Total circuit response):
Less than 8ms
(No tacts are polarity
R
details.)
Watchdog Contacts
Non-prog
healthy/relay fail indica
Breaking capacity:
DC: 30W
resistive
DC: 15W inductiv
AC: 375VA inductive
IRIG-B Interface
standard 200-98, f
Input impedance 6k
Ω
at 1000Hz
Modulation ratio: 3:1 to 6:1
Input signal, peak-peak: 200mV to
E
Ambient Temperature Range
Per IEC 60255-6: 1988
Operating temperature range:
3°F to +1 -25°C to +55°C (or -1
Storage and transit:
-25°C to +70°C (or -13°F to +158°F).
Ambient Humidity Range
Per IEC 60068-2-3: 1969:
56 days at 93% relative hu
: Per IEC 60068-2-30: 1980
Damp heat cyclic, six (12 + 12) hour cycles,
93% RH, +25 to +55°C
Type Tests
Insulation
Per IEC 60255-5: 200
Insulation re
(Using only electronic/bru
tester).
Creepag
IEC 60255
Pollution degree 3,
y III, Overvoltage categor
Impulse test voltage
High Voltage (Dielectric) Withstand
(i) Per IEC 60255-5: 2000, 2 kV rms
AC, 1 minute:
tw Be een all case terminals connected
ase earth. together, and the c
Also, between all terminals of independ
circuits.
1kV rms AC for 1 minute, across open
watchdog contacts.
1kV rms AC for 1 minute, across open
contacts of changeover output relays.
ii) ( Per ANSI/IEEE C37.90-1989 (reaffirme
1994):
1.5 kV rms AC for 1 minute, across open
changeover output relays. contacts of
Impulse Voltage Withstand Test
Front time: 1.2 µs, Time to half-val
Peak value: 5 kV, 0.5J
Between all terminals, and all terminals and
case
earth.
1 sec
65V 10A 40ms 5
150V 10A 40ms 4
250V 10A 40ms 2
250V 10A 20ms 4