1.8
SEL-734 Meter Instruction Manual Date Code 20090730
Introduction and Specifications
Specifications
Optional (Solid State): 100 mA continuous 250 Vac/Vdc
operational voltage
Maximum On
Resistance:
100 mA
typical: 50 Ω
guaranteed: 75 Ω
30 mA
typical: 75 Ω
guaranteed: 125 Ω
10 mA
typical: 125 Ω
guaranteed: 200 Ω
Minimum Off
Resistance: 10 MΩ
Pickup/Dropout Time: <25 ms
Analog Outputs
Current Range: ±1.2 mA
Minimum Output
Impedance: 100 MΩ
Maximum Load: 10 kΩ
Accuracy: ±0.15% ±0.5 μA at 25°C
Optoisolated Input Ratings
DC Control Signal
250 Vdc: Pickup 200–275 Vdc
Dropout 150 Vdc
220 Vdc: Pickup 176–242 Vdc
Dropout 132 Vdc
125 Vdc: Pickup 100–137.5 Vdc
Dropout 75 Vdc
110 Vdc: Pickup 88–121 Vdc
Dropout 66 Vdc
48 Vdc: Pickup 38.4–52.8 Vdc
Dropout 28.8 Vdc
24 Vdc: Pickup 15–30 Vdc
Dropout <5 Vdc
AC Control Signal
250 Vac: Pickup 170.6–300 Vac
Dropout 106 Vac
220 Vac: Pickup 150.3–264 Vac
Dropout 93.2 Vac
125 Vac: Pickup 85–150 Vac
Dropout 53 Vac
110 Vac: Pickup 75.1–132 Vac
Dropout 46.6 Vac
48 Vac: Pickup 32.8–57.6 Vac
Dropout 20.3 Vac
24 Vac: Pickup 14–27 Vac
Dropout <5 Vac
AC mode is selectable for each input via Global settings
IN101D–IN102D and IN401D–IN404D.
Current draw at nominal dc voltage: 2–6 mA, except for 220 Vdc
and 250 Vdc (2 mA) and 24 Vdc (10 mA).
Time-Code Input
Meter accepts demodulated IRIG-B time-code input at Port 3 or
2-pin Phoenix connector. Meter time is synchronized to within
±10 µs of time-source input.
Nominal Voltage: 5 Vdc +
10%
Maximum Voltage: 8 Vdc
Synchronized Phasor Measurement
Max. Message Rate: 20 messages/second (Fnom = 60 Hz)
10 messages/second (Fnom = 50 Hz)
The SEL-734 IEEE C37.118-2005 Level 0 performance is specified below:
Voltage and Current
Accuracy:
Fnom = 60 Hz ± 5 Hz
TVE = 1%
Fnom = 50 Hz ± 5 Hz
TVE = 1% for V1 and I1
TVE = 1% + |50–F|/10% for VA, VB,
VC, IA, IB, IC, VAB, VBC, VCA,
IAB, IBC, and ICA
Frequency Accuracy: ± 5 mHz for Fnom ± 9 Hz
Operating Temperature
IEC 60068-2-2:1993: –40° to + 85°C (–40° to +185°F)
UL/CSA: –40° to +80°C (–40° to +176°F)
[–40° to +65°C (–40° to +149°F) with
I/O Board installed in Expansion
Slot 2, see Figure 1.2]
LCD: –20° to +70°C (–4° to +158°F)
Operating Environment
Pollution Degree:
Overvoltage Category:
2
II
Indoor Use
Maximum Altitude:
Maximum Humidity:
2000 M
95% RH
Weight
2.3 kg (5.0 lbs)
Dimensions
Refer to Figure 2.1 for meter dimensions.
Routine Dielectric Test
Current Inputs: 2.75 kVac for 1 s
Voltage Inputs: 2.2 kVac for 1 s
Optoisolated Inputs
and Output Contacts: 2.2 kVac for 1 s
Power Supply: 3.11 kVdc for 1 s
EIA-485 Port: 1.5 kVdc for 1 s
IEC 60255-5:2000
Dielectric tests
performed on all units
with the CE mark:
2200 Vdc for 1 s on EIA-485
communications port.
2000 Vac for 1 s on contact inputs,
contact outputs, and analog inputs.
Terminal Connections
Rear Screw-Terminal Tightening Torque
Current Input Terminal Block
(ring terminals are recommended)
Minimum: 0.9 Nm (8 in-lb)
Maximum: 1.4 Nm (12 in-lb)
Connectorized
®
Minimum: 0.5 Nm (4.4 in-lb)
Maximum: 1.0 Nm (8.8 in-lb)
Connectorized terminals accept wire size 12–24 AWG.
User terminals or stranded copper wire should be at a minimum
temperature rating of 105° C (221°F).
Wires having 0.4 mm-thick insulation are recommended for all
wiring.
Courtesy of NationalSwitchgear.com
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