Schweitzer Engineering Laboratories SEL-734W, Field Reference Manual, Page: 20 / 48

1.8
SEL-734W and SEL Wireless Current Sensor Field Reference Guide Date Code 20191029
Introduction and Specifications
SEL-734W Specifications
Physical
Operating Temperature
SEL-734W Device: IEC 60068-2: –40° to +85°C
(–40° to +185°F)
LCD: –20° to +70°C (–4° to +158°F)
Device in Compact Enclosure With Integrated 15 Vdc Power Supply
0 W of Accessories: –40° to +65°C (–40° to +149°F)
15 W of Accessories: –40° to +60°C (–40° to +140°F)
40 W of Accessories: –40° to +50°C (–40° to +122°F)
Without Direct Sunlight: Increase max. temperatures by 15°C (27°F)
Without Direct Sunlight: Increase max. temperatures by 15°C (27°F)
Operating Environment
Pollution Degree: 2 (SEL-734W Device)
Maximum Altitude: 2000 m
Maximum Humidity: 95% RH
Dimensions
SEL-734W Device
Dimensions: 5.7" x 6.63" x 7.56"
Compact Enclosure Exterior
Dimensions: 13.7" x 11.8" x 8.0"
Weight
4-Jaw Compact Enclosure
Model:
8.8 kg (19.4 lb)
(including SEL-2401 and SEL-3060)
Dielectric Test
Voltage Inputs: 2.2 kVac for 1 s
Optoisolated Inputs and
Output Contacts: 2.2 kVac for 1 s
AC Power Supply: 3.11 kVdc for 1 s
Type Tests
Electromagnetic Compatibility Immunity
Surge Withstand Capability: IEEE C37.90.1-2002 Elec. Relays
2.5 kV oscillatory, 4 kV fast transient
IEC 60255-22-1:2007
2.5 kV peak common, 2.5 kV peak
differential mode, 1.0 kV peak common
mode on communications ports
Power Frequency Magnetic
Field Immunity:
IEC 61000-4-8:2009
1000 A/m for 3 seconds, 100 A/m for
1 minute
Pulse Magnetic Field
Immunity: IEC 61000-4-9:1993, 1000 A/m
Electrostatic Discharge
Immunity:
IEC 61000-4-2:2008
Elec. disturbance, Section 2: ESD,
Severity Level: 4
IEC 60255-22-2:2008
Elec. disturb. Section 2: ESD, Severity
Level: 4; both polarities at Levels 1, 2,
3, and 4
Radiated Immunity: IEC 61000-4-3:2010
Severity Level: X (15 V/m)
IEC 60255-22-3:2007
Elec. relays, Section 3: Radiated
electromagnetic field disturb., Severity
Level: 3 (10 V/m)
Conducted Radio Frequency
Immunity:
IEC 61000-4-6:2008
Severity Level: 3
Fast Transient/Burst
Immunity:
IEC 61000-4-4:2011
Severity Level: 4
Environmental Tests
Cold: IEC 60068-2-1:2007
Envir., Test Ad, Severity: 16 hours
at –40°C
Dry Heat: IEC 60068-2-2:2007
Envir., Part 2: Test Bd
SEL-734W device, Severity: 16 hours at
+85°C
Device in Cabinet, Severity: 16 hours at
+70°C
Damp Heat, Cyclic: IEC 60068-2-30:2005
Basic envir., Part 2: Test Db
Severity: 25° to 55°C, 6 cycles,
95% humidity
Enclosure Protection: IEC 60529:2001, IP45
Seismic (Compact Enclosure
Only):
IEC 60255-21-3:1993
Class 2 Response (Method A)
Radiated Emissions: FCC Part 15; Class A
Safety
Dielectric Strength/Impulse: IEC 60255-5:2000
Severity:
2500 Vac on analog inputs, contact inputs,
and contact outputs
3100 Vdc on power supply
High-Voltage Line Surges
SEL-734W Device: IEC 61000-4-5:2005
Level 4 (4 kV) on LEA voltage
measurement inputs and power supply
inputs.
Level 2 (1 kV) on LEA current
measurement inputs and auxiliary
circuits
SEL-734W in Compact
Socket-Based Enclosure:
IEEE C62.41:2002
Location Category B (6 kV) on LEA
voltage measurement inputs and power
supply inputs
IEC 61000-4-5:2005
Level 2 (1 kV) on LEA current
measurement inputs and auxiliary
circuits
Impulse Voltage Test: IEC 60060-1
4 kV on power supply, ac current inputs,
and voltage inputs