Sel SEL-2725 Instruction Manual

Schweitzer Engineering Laboratories, Inc. SEL-2725 Data Sheet
Features and Benefits
The SEL-2725 is an unmanaged five-port Ethernet switch and copper-to-fiber media converter. Single- or multimode
fiber optics are available to accommodate a wide range of utility and industrial applications. The environmental specifi-
cations exceed the requirements of IEEE 1613 Class 2 and IEC 61850-3, making it suitable for operation in harsh envi-
ronments, such as electric utility substations or industrial plants.
➤Easy Installation. The SEL-2725 has no settings. Copper ports autoconfigure for crossover cables, autospeed
detects for 10 or 100 Mbps links, and automatically detects half- or full-duplex operation.
➤Reliable Power Supply. 10–275 Vdc power supplies exceed all harsh environmental standards along with a
3,000 year MTBF.
➤Robust Performance. Operates above the required temperature range (–40° to +85°C). Exceeds the requirements
of IEEE 1613 and IEC 61850-3.
Use as a multiport media converter to connect Ethernet 10/100BASE-T devices to one location or equipment rack. Use
the 100BASE-FX multimode or 100BASE-LX10 single-mode fiber-optic port options to interconnect devices with the
central or managed Ethernet switch. Keeping the electrical connections short and localized greatly reduces the possibil-
ity of induced noise.
SEL-2725 Unmanaged Ethernet Switch

SEL-2725 Data Sheet Schweitzer Engineering Laboratories, Inc.
2
Installation and Maintenance
Power Supply
DANGER
Contact with instrument terminals may cause electrical shock which can
result in injury or death.
You can order the SEL-2725 with the supply voltage
listed in Specifications. The serial number label on the
device lists the power supply voltage. The SEL-2725
power supply ceases operation when the input voltage is
too low to maintain reliable operation. Applying the
rated input voltage returns the SEL-2725 to proper oper-
ation.
Use 1.5 mm2(16 AWG) wire (or heavier) to connect to
the POWER terminals. Use copper conductors only. Use
AL, AL-CU, CU-AL, CC-CU, or CU-CC wire. When
you use a dc power source, you must connect the source
with the proper polarity, as indicated by the + and –sym-
bols on the power terminals. After connecting the input
wiring and introducing the external source of power, you
will see the POWER LED illuminate. For compliance to
UL/CSA/IEC 61010-1, the SEL-2725 must be installed
so that the input power and protective grounding is not
accessible during normal operation.
The storage of the equipment should be in the supplied
packaging and must be kept between –40 degrees to 176
degrees Fahrenheit.
Protective Ground
Use 1.5 mm2(16 AWG) wire (or heavier) to connect to
the Protective Ground terminal.
Disconnect Device
Disconnect device must be located in reasonable proxim-
ity and be readily accessible. This disconnect must also
comply with IEC 60947-1 and IEC 60947-3 or an equiv-
alent approved disconnect device appropriate for the
country of installation and be identified as the disconnect
device for this equipment.
The maximum current rating for the power disconnect
circuit breaker or overcurrent device must be 15 A. Oper-
ational power is internally fused. This fuse is not user-
replaceable. Should failure occur, return the unit to the
factory for repair.
Branch Circuit Protection
The maximum current rating for the power branch circuit
protection device must be 15 A.
Figure 1 Ethernet Connections and Indicators
Green LED: Link = solid
Activity = blinking
Yellow LED: Full Duplex = solid
Collision = blinking Power
Indication
SEL-2725
SEL-2725
Legacy Serial Device
Local Cat 5 Ethernet Devices
SEL-2411 SEL-710
SEL-734
SEL-2725
Ethernet Switch
SEL-2890
Programmable
Automation Controller
Motor Protection
Metering Ethernet Transceiver
Fiber connection
to managed
switch
Four 10/100BASE-T
ports (Auto crossover)
100BASE-FX or
100BASE-LX10 Fiber Port
LC Connector

Schweitzer Engineering Laboratories, Inc. SEL-2725 Data Sheet
3
Mechanical Diagrams
Specifications
Figure 2 SEL-2725 Dimension Drawing
LEGEND
in
[mm]
5.94
[150.9]
5.38
[136.7]
1.08
[27.3]
3.00
[76.2]
4.90
[124.5]
Ø.21
[Ø5.4]
TOP
5.38
[136.7]
1.51
[38.4]
FRONT
i9400a
Compliance
Designed and manufactured under an ISO 9001 certified quality
management system
FCC CFR 47 Part 15, Class B
RoHS Compliant
UL Listed to US and Canadian Safety Standards File E220228; NRAQ2/
NRAQ8
CE Mark
General
Switching Technology
Non-blocking, store and forward
Latency
Less than 10 s
LED Indicators
Power (green)
Link/Activity (green per port)
Full duplex/collision (yellow per port)
Network
IEEE 802.3u: 100BASE-T and 100BASE-FX or
100BASE-LX10
IEEE 802.3: 10BASE-T
IEEE 802.x: Flow control
Address Table: 1000 MAC addresses
RJ45 Ports
Recommended Cable: Category 5(e) Shielded, Twisted-Pair
Cable (STP) (SEL-C627)
Autonegotiation: 10 or 100 Mbps, full- or half-duplex and
MDI/MDI-X crossover
Fiber Optics
Class 1 LASER/LED
Product: IEC 60825-1:1993 + A1:1997 + A2:2001
Data Rate: 100 Mbps
Connector Type: LC
Multimode
(100BASE-FX) Option: 62.5 µm fiber
Lowest TX Level: –20 dBm
Lowest RX Sensitivity: –31 dBm
Optical Budget: 11 dBm
Max Distance: 2 km
Wavelength: 1300 nm
Single-Mode
(100BASE-LX10) Option: 9 µm fiber
Lowest TX Level: –15 dBm
Lowest RX Sensitivity: –25 dBm
Optical Budget: 10 dBm
Max Distance: 15 km
Wavelength: 1310 nm
Environmental
Operating and Storage Temperature
–40° to +85°C (–40° to +185°F)
SEL-2725 UL Rating: –40° to +40°C (–40° to +104°F)
Relative Humidity
0% to 95% non-condensing
Altitude
2000 m
Note: Above 2000 m, derate dielectric strength and temperature according to
IEEE 1613: 2009 Table 1 and Table 2. IEC 60255-27 certification below
2000 m only.

SEL-2725 Data Sheet Schweitzer Engineering Laboratories, Inc.
4
Operating Environment
Pollution Degree: 2
Overvoltage Category: II
Insulation Class: I
Enclosure Protection
IEC/EN 60255-27:2014
Power Inputs: IP2X
Enclosure: IP4X
Power Supply
Rated Voltage1: 12–250 Vdc, 110–240 Vac (50/60 Hz)
Operational Voltage: 10.8–275 Vdc, 85–264 Vac (50/60 Hz)
Maximum Burden: 5 W, 250 mA
1Rated Voltage — UL Tested at this voltage.
Type Tests
Communication Product Testing
IEEE 1613:2009, Class II
IEC 61850-3:2013, Class II
Electromagnetic Compatibility (EMC) Emissions
Generic Emissions: EN 60255-26:2013
EN 61850-3:2014
47 CFR Part 15
ICES-001, Issue 5
CISPR 11:2009 + A1:2010
CISPR 22:2008
EN 55011:2009 + A1:2010
EN 55022:2010 + AC:2011
EN 55032:2012 + AC:2013
Severity Level: Class B
Electromagnetic Compatibility Immunity
Conducted RF Immunity: IEC 60255-26: 2013
IEC 61000-4-6:2013
Severity Level: 10 Vrms
Electrostatic Discharge
Immunity:
IEC 60255-26:2013
IEC 61000-4-2:2008
IEEE C37.90.3-2001
Severity Level: 2, 4, 8 kV contact;
4, 8, 15 kV air
Fast Transient/Burst
Immunity:
IEC 60255-26:2013
IEC 61000-4-4:2012
Severity Level: Zone A
Magnetic Field Immunity: IEC 60255-26:2013
IEC 61000-4-8:2009
Severity Level: 1000 A/m for 3 seconds,
100 A/m for 1 minute
IEC 61000-4-9:2001
Severity Level: 1000 A/m
IEC 61000-4-10:2001
Severity Level: 100 A/m
Power Supply Ripple: EN 61000-4-17:1999
+A1:2004 +A2:2009
IEC 61000-4-17:1999
+A1:2001 +A2:2008
Power Supply Dips and
Interruptions:
EC 60255-26:2013
IEC 61000-4-11:2004
IEC 61000-4-29:2000
Power Supply Gradual
Shutdown and Startup: IEC 60255-26:2013
Power Supply Discharge
Capacitors: IEC 60255-27:2013
Power Supply Reverse
Polarity and Slow Ramp: IEC 60255-27:2013
Radiated RF Immunity: IEC 60255-26:2013
IEC 61000-4-3:206 + A1:2007 + A2:2010
Severity Level: 10 V/m unmodulated
80 MHz–1 GHz, 1.4 GHz–2.7 GHz
IEEE C37.90.2-2004
Severity Level: 20 V/m 80% AM,
0.5 s keyed, 80 MHz–1 GHz
Surge Immunity: IEC 60255-26:2013
IEC 61000-4-5:2005
Severity Level: Zone B
Surge Withstand Capability: IEC 60255-26:2013
IEC 61000-4-18:2010
Severity Level: 2.5 kV peak common
mode, 1.0 kV peak differential mode
IEEE C37.90.1-2002
Severity Level: 2.5 kV oscillatory,
4 kV fast transient waveform
Environmental
Cold: IEC 60068-2-1:2007
Severity Level: 16 hours at –40°C
IEC 60255-27:2013
Damp Heat, Cyclic: IEC 60068-2-30:2005
Severity Level: 25°C,
Relative Humidity: 93%
Duration: 6 cycles
IEC 60255-27:2013
Dry Heat: IEC 60068-2-2:2007
Severity Level: 16 hours at +85°C
IEC 60255-27:2013
Damp Heat, Steady State: IEC 60068-2-78:2012
Severity Level: 40°C at 90% for 10 days
IEC 60255-27:2013
Cyclic Temperature: IEC 60062-2-30:2005
Severity Level: -40˚C to +85˚C
Vibration: IEC 60255-21-1:1988
Severity Level: Class 2 endurance,
Class 2 response
IEC 60255-21-2:1998
Severity Level: Class 1 shock withstand,
bump, and Class 2 shock response
IEC 60255-21-3:1993
Severity Level: Class 2 (quake response)
IEC 60255-27:2013
Safety
Dielectric Strength: IEC 60255-27:2013
IEC 61850-3:2013
IEEE C37.90-2005
±3.6 kVdc on power supply
±1.5 kVac on Ethernet ports
Type tested for 1 minute
Impulse: IEC 60255-27:2013
IEC 61850-3:2013
IEEE C37.90-2005
Severity Level: Common Mode ±5 kV
power supply, ±1.5 kV Ethernet ports
Common Mode, Port to Port 5 kV
power supply, zero-rated, Ethernet ports
Protective Bonding
Resistance:
IEC 60255-27:2013
IEC 61850-3:2013
IEEE C37.90-2005
Laser (LED) Safety: EN 60825-1:2007
EN 60825-2:2004 + A1:2007 + A2:2010
Complies with 21 CFR Chapter 1,
Subchapter J, Part 1040.10.

Schweitzer Engineering Laboratories, Inc. SEL-2725 Data Sheet
5
Safety Information
Dangers, Warnings, and Cautions
This data sheet uses three kinds of hazard statements,
defined as follows:
Safety Symbols
The following symbols are often marked on SEL products.
Safety Marks
The following statements apply to this device.
Compression Screw Terminals
Power Wiring
Insulation: 300 V minimum
Size 12–18 AWG
Tightening Torque Min/
Max: 0.6–0.8 Nm (5–7 in-lb)
Note: Crimp ferrule is recommended.
DANGER
Indicates an imminently hazardous situation that, if not avoided, will
result in death or serious injury.
WARNING
Indicates a potentially hazardous situation that, if not avoided, could
result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that, if not avoided, may result
in minor or moderate injury or equipment damage.
CAUTION
Refer to accompanying
documents.
ATTENTION
Se reporter à la documen-
tation.
Earth (ground) Terre
Protective earth (ground) Terre de protection
Direct current Courant continu
Alternating current Courant alternatif
Both direct and alternat-
ing current
Courant continu et alter-
natif
Instruction manual Manuel d’instructions
General Safety Marks (Sheet 1 of 2)
CAUTION
To ensure proper safety and operation, the equipment ratings, installa-
tion instructions, and operating instructions must be checked before
commissioning or maintenance of the equipment. The integrity of any
protective conductor connection must be checked before carrying out
any other actions. It is the responsibility of the user to ensure that the
equipment is installed, operated, and used for its intended function in the
manner specified in this manual. If misused, any safety protection pro-
vided by the equipment may be impaired.
ATTENTION
Pour assurer la sécurité et le bon fonctionnement, il faut vérifier les clas-
sements d’équipement ainsi que les instructions d’installation et d’opéra-
tion avant la mise en service ou l’entretien de l’équipement. Il faut
vérifier l’intégrité de toute connexion de conducteur de protection avant
de réaliser d’autres actions. L’utilisateur est responsable d’assurer l’ins-
tallation, l’opération et l’utilisation de l’équipement pour la fonction pré-
vue et de la manière indiquée dans ce manuel. Une mauvaise utilisation
pourrait diminuer toute protection de sécurité fournie par l'équipement.
For use in Pollution Degree 2 environment. Pour utilisation dans un environnement de Degré de Pollution 2.
Ambient air temperature shall not exceed 40°C (104°F). In loca-
tions where touch temperature safety is required.
La température ambiant de l'air ne doit pas dépasser 40°C (104°F)
dans des endroits où la température des surfaces doit être suffisam-
ment basse pour les toucher en toute sécurité.
Overvoltage Category: II Catégorie de surtension : II
Insulation Class: I Classe d'isolation : I
Ambient air temperature shall not exceed 85°C (185°F). La température ambiant de l'air ne doit pas dépasser 85°C (185°F).
For use in a Type 1 enclosure. Pour utilisation dans un boîtier de Type 1.

SEL-2725 Data Sheet Schweitzer Engineering Laboratories, Inc.
6
For all field wiring, use copper conductors only. Pour tout le câblage sur le terrain, utilisez uniquement des conduc-
teurs en cuivre
IP Rating
Power Inputs: IP2X
Enclosure: IP4X
Indice de protection
Entrées d'alimentation : IP2X
Boîtier : IP4X
Other Safety Marks
DANGER
Disconnect or de-energize all external connections before opening this
device. Contact with hazardous voltages and currents inside this device
can cause electrical shock resulting in injury or death.
DANGER
Mettre hors tension ou débrancher tous les raccordements externes
avant d’ouvrir cet appareil. Tout contact avec des tensions ou courants
internes à l’appareil peut causer un choc électrique pouvant entraîner
des blessures ou la mort.
DANGER
Contact with instrument terminals can cause electrical shock that can
result in injury or death.
DANGER
Tout contact avec les bornes de l’appareil peut causer un choc électrique
pouvant entraîner des blessures ou la mort.
WARNING
Use of this equipment in a manner other than specified in this manual
can impair operator safety safeguards provided by this equipment.
AVERTISSEMENT
L’utilisation de cet appareil suivant des procédures différentes de celles
indiquées dans ce manuel peut désarmer les dispositifs de protection
d’opérateur normalement actifs sur cet équipement.
WARNING
Have only qualified personnel service this equipment. If you are not qual-
ified to service this equipment, you can injure yourself or others, or cause
equipment damage.
AVERTISSEMENT
Seules des personnes qualifiées peuvent travailler sur cet appareil. Si
vous n’êtes pas qualifiés pour ce travail,
vous pourriez vous blesser, blesser d’autres personnes ou endommager
l’équipement.
WARNING
Do not look into the fiber ports/connectors.
AVERTISSEMENT
Ne pas regarder vers les ports ou connecteurs de fibres optiques.
WARNING
Do not look into the end of an optical cable connected to an optical
output.
AVERTISSEMENT
Ne pas regarder vers l’extrémité d’un câble optique raccordé à une sortie
optique.
WARNING
Do not perform any procedures or adjustments that this instruction
manual does not describe.
AVERTISSEMENT
Ne pas appliquer une procédure ou un ajustement qui n’est pas décrit
explicitement dans ce manuel d’instruction.
WARNING
During installation, maintenance, or testing of the optical ports, use only
test equipment qualified for Class 1 laser products.
AVERTISSEMENT
Durant l’installation, la maintenance ou le test des ports optiques, utilisez
exclusivement des équipements de test homologués comme produits de
type laser de Classe 1.
WARNING
Incorporated components, such as LEDs and transceivers are not user
serviceable. Return units to SEL for repair or replacement.
AVERTISSEMENT
Les composants internes tels que les leds (diodes électroluminescentes)
et émetteurs-récepteurs ne peuvent pas être entretenus par l'usager.
Retourner les unités à SEL pour réparation ou remplacement.
WARNING
Operator safety may be impaired if the device is used in a manner not
specified by SEL.
AVERTISSEMENT
La sécurité de l’opérateur peut être compromise si l’appareil est utilisé
d’une façon non indiquée par SEL.
CAUTION
Equipment components are sensitive to electrostatic discharge (ESD).
Undetectable permanent damage can result if you do not use proper ESD
procedures. Ground yourself, your work surface, and this equipment
before removing any cover from this equipment. If your facility is not
equipped to work with these components, contact SEL about returning
this device and related SEL equipment for service.
ATTENTION
Les composants de cet équipement sont sensibles aux décharges élec-
trostatiques (DES). Des dommages permanents non-décelables peuvent
résulter de l’absence de précautions contre les DES. Raccordez-vous cor-
rectement à la terre, ainsi que la surface de travail et l’appareil avant d’en
retirer un panneau. Si vous n’êtes pas équipés pour travailler avec ce
type de composants, contacter SEL afin de retourner l’appareil pour un
service en usine.
CAUTION
Class 1 LASER Product. This product uses visible or invisible LASERs
based on model option. Looking into optical connections, fiber ends, or
bulkhead connections can result in hazardous radiation exposure.
ATTENTION
Produit LASER de Classe 1. Ce produit utilise des LASERS visibles ou invi-
sibles dépendant des options du modèle. Regarder vers les connecteurs
optiques, les extrémités des fibres ou les connecteurs de cloison peut
entraîner une exposition à des rayonnements dangereux.
General Safety Marks (Sheet 2 of 2)

Schweitzer Engineering Laboratories, Inc. SEL-2725 Data Sheet
7
General Safety Notes
The SEL-2725 is designed for restricted access locations.
Equipment is intended for permanent installation indoors
and inside an electrical/fire enclosure. Access should be
limited to qualified service personnel. To ensure proper
safety and operation, check the equipment rating, instal-
lation instructions, and operating instructions before
commissioning or maintaining the equipment. Keep it in
the box until ready for installation. Also check the integ-
rity of any protective conductor connection before taking
any other actions. It is the responsibility of the user to
ensure that the equipment is installed, operated, and used
for its intended function and in the manner this manual
specifies. The equipment should not be serviced. If this
equipment is used for anything other than its intended
function or in a manner this manual does not specify, any
safety protection the equipment provides may be
impaired. Positive or negative of the station battery
inputs can be externally connected to the case ground, or
other common ground, without damage.
Technical Support
We appreciate your interest in SEL products and services. If you have questions or comments, please contact us at:
Schweitzer Engineering Laboratories, Inc.
2350 NE Hopkins Court
Pullman, WA 99163-5603 U.S.A.
Tel: [phone]
Fax: [phone]
Internet: selinc.com/support
Email: [email protected]

8
© 2007—2021 by Schweitzer Engineering Laboratories, Inc. All rights reserved.
All brand or product names appearing in this document are the trademark or registered
trademark of their respective holders. No SEL trademarks may be used without written
permission. SEL products appearing in this document may be covered by U.S. and Foreign
patents.
Schweitzer Engineering Laboratories, Inc. reserves all rights and benefits afforded under
federal and international copyright and patent laws in its products, including without lim-
itation software, firmware, and documentation.
The information in this document is provided for informational use only and is subject to
change without notice. Schweitzer Engineering Laboratories, Inc. has approved only the
English language document.
This product is covered by the standard SEL 10-year warranty. For warranty details, visit
selinc.com or contact your customer service representative.
*PDS2725-01*
2350 NE Hopkins Court • Pullman, WA 99163-5603 U.S.A.
Tel: [phone] • Fax: [phone]
selinc.com • inf[email protected]
SEL-2725 Data Sheet Date Code 20210917
Notes