GE 239 Instruction Manual page 14

Multilin motor protection relay
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1 OVERVIEW
RTDs (OPTIONAL)
INPUTS:
1
TYPE:
RANGE:
TRIP/ALM RANGE: 0 to 200 °C / 0 to 400 °F
DEAD BAND:
ACCURACY:
LEAD RESISTANCE:
Pt or Ni RTD:
Cu RTD:
3 wire lead resistance compensation
COMMUNICATIONS
TYPE:
RS485 2 wire, half duplex, isolated
BAUD RATE:
1200 to 19.2k bps
PROTOCOL:
Modbus
FUNCTIONS:
Read/write setpoints, read actual
values, execute commands
ANALOG OUTPUT (OPTIONAL)
OUTPUT
0-1 mA
2400 Ω
MAX LOAD
MAX OUTPUT
1.1 mA
ACCURACY:
ISOLATION:
OUTPUT RELAYS
WPGU6B@
RESISTIVE
30 VDC
125 VDC
250 VDC
INDUCTIVE
30 VDC
(L/R=7 ms)
125 VDC
250 VDC
RESISTIVE
120 VAC
250 VAC
INDUCTIVE
120 VAC
PF=0.4
250 VAC
CONFIGURATION: FORM C NO/NC
CONTACT MATERIAL: SILVER ALLOY
1-8
Courtesy of NationalSwitchgear.com
3 RTDs, stator/bearing prog.
100 Pt (DIN 43760), 100 Ni, 120
Ni, 10 Cu programmable
–40 to 200 °C/ –40 to 400 °F
2 °C / 4 °F
±2 °C / ±4 °F
25 Ω max
3 Ω max
®
RTU
PROGRAMMABLE
0-20 mA
4-20 mA
600 Ω
600 Ω
21 mA
21 mA
±2% of full scale reading
36 V DC isolated, active source
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H6F@
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10
30
10
30
10
30
10
30
10
30
10
30
10
30
10
30
10
30
10
30
239 Motor Protection Relay
CT INPUTS
CT INPUT
PHASE CT
(1A)
PHASE CT
(5A)
GROUND
CT (5A)
GROUND
CT
(50:0.025)
1s xCT
PHASE CT
(1A)
PHASE CT
(5A)
GROUND
CT (5A)
7S@6F
50:0.025 GROUND INPUT WITHSTAND:
CONTINUOUS:
10
MAXIMUM:
50:0.025 input can be driven by a 50:0.025 CT.
0.5
SWITCH INPUTS
0.3
TYPE:
5
OUTPUT:
0.25
DURATION:
0.15
CONTROL POWER
10
INPUT:
10
POWER:
10
HOLDUP:
10
It is recommended that all 239 relays be
powered up at least once per year to avoid
NOTE
deterioration of electrolytic capacitors in
the power supply.
1 OVERVIEW
BURDEN
(A)
VA
1
0.009
0.01
5
0.2
0.01
20
3.5
0.01
5
0.04
0.002
25
0.9
0.002
100
16
0.002
5
0.04
0.002
25
1.1
0.002
100
17
0.002
0.025
0.07
116
0.1
1.19
119
0.5
30.5
122
BURDEN
5s xCT
continuous
xCT
100
40
3
100
40
3
100
40
3
150 mA
12 A for 3 cycles
dry contacts
29 V DC, 10 mA (pulsed)
100 ms minimum
90 to 300 VDC or
70 to 265 VAC, 50/60 Hz
10 VA (nominal) 20 VA (max)
non-failsafe trip: 200 ms
failsafe trip: 100 ms
both times at 120VAC / 125VDC
GE Multilin

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