1-6 469 Motor Management Relay GE Power Management
1.2 SPECIFICATIONS 1 INTRODUCTION
1
ANALOG CURRENT OUTPUT
Type: Active
Range: 4 to 20 mA, 0 to 1 mA
(must be specified with order)
Accuracy: ±1% of full scale
4 to 20 mA maximum load: 1200 Ω
0 to 1 mA maximum load: 10 kΩ
Isolation: 36 V
pk
(Isolated with RTDs and Analog Inputs)
4 Assignable Outputs:
phase A current
phase B current
phase C current
3 phase average current
ground current
phase AN (AB) voltage
phase BN (BC) voltage
phase CN (CA) voltage
3 phase average voltage
hottest stator RTD
hottest bearing RTD
hottest other RTD
RTD # 1 to 12
Power factor
3 phase Real power (kW)
3 phase Apparent power (kVA)
3 phase Reactive power (kvar)
Thermal Capacity Used
Relay Lockout Time
Current Demand
kvar Demand
kW Demand
kVA Demand
Motor Load
Torqu e
OVERLOAD / STALL PROTECTION /
THERMAL MODEL
Overload Curves: 15 Standard Overload Curves, Custom
Curve, Voltage Dependent Custom
Curve for high inertia starting (all curves
time out against average phase current)
Curve Biasing: Phase Unbalance
Hot/Cold Curve Ratio
Stator RTD
Running Cool rate
Stopped Cool Rate
Line Voltage
Overload Pickup: 1.01 to 1.25 (for service factor)
Pickup Accuracy: as per Phase Current Inputs
Timing Accuracy: ±100 ms or ±2% of total time
Elements: Trip and Alarm
OUTPUT RELAYS
Configuration: 6 Electromechanical Form C
Contact Material: silver alloy
Operate Time: 10 ms
Max ratings for 100000 operations:
TERMINALS
Low Voltage (A, B, C, D terminals): 12 AWG max.
High Voltage (E, F, G, H terminals): #8 ring lug, 10 AWG
wire standard
PHASE SHORT CIRCUIT
Pickup Level: 4.0 to 20.0 × CT primary in steps of 0.1
of any one phase
Time Delay: 0 to 1000 ms in steps of 10
Pickup Accuracy: as per Phase Current Inputs
Timing Accuracy: +50 ms
Elements: Trip
MECHANICAL JAM
Pickup Level: 1.01 to 3.00 × FLA in steps of 0.01 of any
one phase, blocked on start
Time Delay: 1 to 30 s in steps of 1
Pickup Accuracy: as per Phase Current Inputs
Timing Accuracy: ±0.5 s or ±0.5% of total time
Elements: Trip
UNDERCURRENT
Pickup Level: 0.10 to 0.95 × CT primary in steps of
0.01 of any one phase
Time Delay: 1 to 60 s in steps of 1
Block From Start: 0 to 15000 s in steps of 1
Pickup Accuracy: as per Phase Current Inputs
Timing Accuracy: ±0.5 s or ±0.5% of total time
Elements: Trip and Alarm
VOLTAGE MAKE/CARRY BREAK MAX.
LOAD
CONTINUOUS
0.2s
DC
RESISTIVE
30 V 10 A 30 A 10 A 300 W
125 V 10 A 30 A 0.5 A 62.5 W
250 V 10 A 30 A 0.3 A 75 W
DC
INDUCTIVE
L/R=40ms
30 V 10 A 30 A 5 A 150 W
125 V 10 A 30 A 0.25 A 31.3 W
250 V 10 A 30 A 0.15 A 37.5 W
AC
RESISTIVE
120 V 10 A 30 A 10 A 2770 VA
250 V 10 A 30 A 10 A 2770 VA
AC
INDUCTIVE
P. F. =0 . 4
120 V 10 A 30 A 4 A 480 VA
250 V 10 A 30 A 3 A 750 VA
To Next Page
Loading...
Need help?
General
