1.7
Date Code 20090730 Instruction Manual SEL-734 Meter
Introduction and Specifications
Specifications
Specifications
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General
AC Voltage Inputs
Meter Form 9 and Meter Form 5
Maximum Rating: 300 V continuous
600 V for 10 seconds
Range:
Revenue Accuracy
120 V Option:
240 V Option:
57–132 V
132–277 V
Measurement
120 V Option:
240 V Option:
0–150 V
0–300 V
Burden: 0.003 VA @ 120 V
0.02 VA @ 240 V
Meter Form 9
300 V
L-N
, three-phase, four-wire (wye) connection
Meter Form 5
300 V
L-L,
three-phase, three-wire (delta) connection
AC Current Inputs
Measurement Category: II
IA, IB, IC Channels
Range:
CL10/CL20 Option: 0.15–20 A
CL2 Option: 0.010–6 A
Maximum Rating: 22 A continuous
500 A for 1 second
Burden: ≤0.5 VA
Starting Load per ANSI C12.20:
CL10/CL20 Option: 10 mA
CL2 Option: 1 mA
Neutral Channel IN
Range:
CL10/CL20 Option: 0.15–2.5 A
CL2 Option: 0.010–0.75 A
Maximum Rating: 22 A continuous
500 A for 1 second
Burden: ≤0.5 VA
Frequency and Rotation
60/50 Hz system frequency must be specified at time of order.
ABC/ACB phase rotation is user settable.
Frequency tracking range: 45 to 65 Hz
(V
A
or V
C
required for frequency tracking).
Power Supply
Continuous Operating Limits
High-Voltage Supply: 85–264 Vac (50/60 Hz)
85–275 Vdc
Low-Voltage Supply: 19–58 Vdc
VA Rating: <40 VA/15 W
Interruption (IEC 60255-11:1979)
High-Voltage Supply: 50 ms at 125 Vac/Vdc
100 ms at 250 Vac/Vdc
Low-Voltage Supply: 10 ms at 24 Vdc
50 ms at 48 Vdc
Ripple
(IEC 60255-11:1979): 5% for dc inputs
Terminal Voltage
Dropout:
<40 V within 1 minute of power
removal
Rated Insulation Voltage
(IEC 60664-1:2002): 300 Vac
Dielectric Test Voltage: 2000 Vac
Rated Impulse Voltage
(IEC 60664-1:2002): 4000 V
Output Contacts
Output ratings were determined with IEC 60255-23:1994, using
the simplified method of assessment.
Standard (Electromechanical)
Make: 30 A per IEEE C37.90-1989
Carry: 3 A at 120 Vac, 50/60 Hz
1.5 A at 240 Vac, 50/60 Hz
1 s Rating: 50 A
Make Rating: 3.6 kVA, Cos φ = 0.3
Break Rating: 360 VA, Cos φ = 0.3
Durability: > 10,000 cycles at rated conditions
Pickup/Dropout Time: <35 ms
Maximum Operating
Voltage (Ue): 250 V
Rated Insulation
Voltage (Ui)
(excluding EN
61010): 300 V
Breaking Capacity (10000 operations):
24 Vdc 0.75 A L/R = 40 ms
48 Vdc 0.50 A L/R = 40 ms
125 Vdc 0.30 A L/R = 40 ms
250 Vdc 0.20 A L/R = 40 ms
Cyclic Capacity (2.5 cycle/second):
24 Vdc 0.75 A L/R = 40 ms
48 Vdc 0.50 A L/R = 40 ms
125 Vdc 0.30 A L/R = 40 ms
250 Vdc 0.20 A L/R = 40 ms
Courtesy of NationalSwitchgear.com
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