GE P444 User Manual

P44x/EN TD/
Hb6
Technical Data
(TD) 2
-6
MiCOM P40 Agile P442, P444
Output Contacts
Standard Contacts
General purpose relay outputs for signalling,
tripping and alarming:
Rated voltage: 300 V
Continuous current: 10 A
Short-duration current:
∗ 30 A for 3 s
Making capacity:
∗ 250 A for 30 ms
∗ 10 A continuous.
Breaking capacity:
∗ DC: 50 W resistive
∗ DC: 62.5 W inductive (L/R = 50 ms)
∗ AC: 2500 VA resistive (cos φ = unity)
∗ AC: 2500VA inductive (cos φ = 0.7)
Response to command: < 5 ms
Durability:
∗ Loaded contact: 10000 operations
minimum,
∗ Unloaded contact: 100000 operations
minimum.
Fast operation and High Break Contacts
Dedicated purpose relay outputs for tripping:
∗ Uses IGBT technology
Make and Carry:
∗ 30 Amps for 3 sec, 30 A @ 250 V resistive
Carry:
∗ 250 Amps dc for 30 ms
Continuous Carry:
∗ 10 Amps dc
Break Capacity:
∗ 10 Amps @ 250 V resistive (10,000
operations) 10 Amps @ 250 V L/R=40 ms
Operating time:
∗ <200 µs & Reset time: 7.5 ms
Watchdog Contacts
Non-programmable contacts for relay
healthy/relay fail indication:
Breaking capacity:
∗ DC: 30 W resistive
∗ DC: 15 W inductive (L/R = 40 ms)
∗ AC: 375 VA inductive (cos φ = 0.7)
IRIG-B 12X Interface (Modulated)
External clock synchronization per IRIG
standard 200-98, format B12X.
Input impedance 6 kΩ at 1000 Hz
Modulation ratio:
∗ 3:1 to 6:1
Input signal, peak-peak:
∗ 200 mV to 20 V
IRIG-B 00X Interface (Un-modulated)
External clock synchronization per IRIG
standard 200-98, format B00X.
Input signal TTL level
Input impedance at dc 10 kΩ
Environmental Conditions
Ambient Temperature Range
Ambient temperature range
Operating temperature range:
∗ –25°C to +55°C (or –13°F to +131°F)
Storage and transit:
∗ –25°C to +70°C (or –13°F to +158°F)
Tested as per IEC 60068-2-1: 2007:
∗ –25°C (–13°F) storage (96 hours)
∗ –40°C (–40°F) operation (96 hours)
IEC 60068-2-2: 2007:
∗ +70°C (+158°F) (storage (96 hours)
∗ +85°C (+185°F) operation (96 hours)
Ambient Humidity Range
Per IEC 60068-2-3: 1969:
∗ 56 days at 93% relative humidity and
+40 °C
Per IEC 60068-2-30: 1980:
∗ Damp heat cyclic, six (12 + 12) hour cycles,
93% RH, +25 to +55 °C
Pollution degree
Per IEC 61010-1:1990/A2:1995:
∗ Normally only non conductive pollution
occurs. Occasionally a temporary
conductivity caused by condensation must
be expected.
Corrosive Environments
Per IEC 60068-2-60: 1995, Part 2, Test Ke,
Method (class) 3
Industrial corrosive environment/poor
environmental control, mixed gas flow test.
21 days at 75% relative humidity and +30°C
Exposure to elevated concentrations of H
2
S,
NO
2
, Cl
2
and SO
2
.
Type Tests
Insulation
Per IEC 60255-27: 2005,
∗ Insulation resistance > 100 M
Ω at 500 Vdc
(Using only electronic/brushless insulation
tester).
Creepage Distances and Clearances
Per IEC 60255-27: 2005
∗ Pollution degree 3,
∗ overvoltage category III,
∗ impulse test voltage 5 kV.

GE P444 Specifications

General

Brand	GE
Model	P444
Category	Protection Device
Language	English