Medium-voltage switchgear

Eaton’s ISG-SD solid-dielectric-in-air submersible switches and fault interrupters offer a variety of 2 Way through 5 Way configurations. Its compact, dead-front and fully sealed design is available in a multitude of shapes allowing for easier passage into existing vaults and manhole installations. ISG-SD switchgear is a versatile solution that is both oil and SF6 free.

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Operable from top of unit

Additional safety for service crews

Automation ready

Overcurrent protection solutions easily fit into existing manholes

Flexible versatile designs

Configurable to many new or retrofit applications

Fitur utama

Interrupt rating available in 12.5 kA, 16 kA and 20 kA. Suitable for 4 kV – 27 kV applications
Visible open isolation point, which is visible from a safe working distance
Single-handle operation to de-energize, isolate and create a visible open
Operable from top of unit
Overcurrent protection and automation ready
Fully submersible and virtually maintenance free 304 stainless-steel tank design
Available in multiple shapes and sizes

ISG-SD solid-dielectric switchgear video

Eaton’s ISG-SD solid-dielectric switchgear is available for a variety of padmount and subsurface applications and contains no oil or SF6. Eaton ISG-SD switchgear features a sealed 304 stainless-steel tank construction that is dead-front – adding to the safety of operating crews.

Built for harsh environments

Eaton’s solid-dielectric submersible switchgear is made of 304 stainless-steel and is fully factory sealed, making it the best choice for harsh underground environments including salt water, flooding, humidity, insects, wildlife or other invasive elements. The optional tank integrity device provides a visible indication for operating crews that the tank remains sealed while the equipment is in service.

Flexible automation packages

Eaton’s solid-dielectric submersible switchgear offers both submersible and above-ground pedestal mounted automation and control packages. The two-tier control package offers the option for a CT-powered microprocessor over-current relay or a variety of SEL relays for distribution automation, source transfer, and SCADA applications. The submersible control offering also features IP 68 rated connectors and cables and accessories such as junction boxes, motor operators, pendant controls, and control boxes.

Spesifikasi

Ratings

	15.5 kV	27 kV
Continuous current – A	600	600
Load-break current – A	600	600
Basic Insulation Level (BIL) – kV	125	125
Peak current – A	52,000	41,600
Momentary (Sym.) – A	20,000	16,000
Momentary (Asym.) – A	32,000	25,600
Make and Latch (Sym.) – A	20,000	16,000
Make and Latch (Asym.) – A	32,000	25,600
Fault Close (Sym.) – A	20,000	16,000
Fault Close (Asym.) – A	32,000	25,600
Interrupting current (Sym.) – A	20,000	16,000
Interrupting current (Asym.) – A	32,000	25,600
Frequency – Hz	60	60
Mechanical operations	2000	2000
Load-break operations	2000	2000
*200-amp terminations are rated per the IEEE 386 standard for 10 kA symmetrical

Applicable standards

IEEE Std C37.74-2003/2014 standard, Standard Requirements for Subsurface, Vault, and Pad-Mounted Load-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating Current Systems Up to 38 kV
IEEE Std C37.60-2012 standard, Standard Requirements for Overhead, Pad-Mounted, Dry Vault, and Submersible Automatic Circuit Reclosers and Fault Interrupters for Alternating Current Systems Up to 38 kV

Features

Eaton’s ISG-SD switchgear provides vacuum fault interrupter contacts in every load-break switch. By featuring fault interrupter contacts (in lieu of load-break contacts) in all switch applications, ISG-SD offers a remarkable added measure of safety, reliability and operational duty over conventional load-break switches
Eaton’s ISG-SD switchgear fault interrupters meet the IEEE C37.60 2012 standard and include internally mounted current transformers and substation quality microprocessor relays. These products provide 3-phase 600 amp load current interruption, as well as 12.5 kA, 16 kA and 20 kA fault interruption

Solid-dielectric-in-air design
Suitable for 4 kV – 27 kV applications
Visible open isolation point which is visible from a safe working distance
Single-handle operation to de-energize, isolate and create a visible open
304 stainless steel switch tank that is sealed construction and dead-front
Fully factory assembled and tested (apparatus, cables and controls)

Switches and vacuum fault interrupters are dual-certified to both IEEE C37.60 2012 and IEEE C37.74 – 2003/2014 standards
Rated for 600 amps of continuous load current, and featuring either 200-amp or 600-amp terminations based upon the customer’s requirements
Available in up to four ways, and in any combination of switching and/or fault interrupting
Manually, roped or motor operated. Motor operation available on every way
Welded-in terminations
Field-upgradeable to automation
Open/close vacuum contact position indicators are highly reflective and thus easily visible

Automation and control

SEL over-current relay protection

Eaton’s ISG-SD switchgear includes a variety of SEL programmable, microprocessor over-current relays which are the foundation of our all-in-one automation, protection and communication platforms for distribution-automation and SCADA applications.

Current standard SEL relay offering:

SEL-751
SEL-451
SEL-487e
SEL-700GW

These SEL relays are full-featured relays which allow for control of motor operation, as well as communication of voltage and current through a variety of means, including radio, cellular modem, or fiber optics. SEL relays can quickly integrate into serial- or Ethernet-based communications with IEC 61850, MIRRORED BITS, Modbus, DNP3 and other protocols. Programming and downloading are achieved through a variety of options, depending upon the specific application.

CT-powered over-current relay protection

Eaton’s ISG-SD switchgear offers the Schneider Electric P116 dual-powered (CT and/or other auxiliary power) over-current feeder protection relay for use in distribution circuits. The P116 is a substation quality, reliable, fully-programmable, micro-processor over-current relay that can coordinate with other protected devices in distribution circuits. Eaton provides internally mounted current transformers to power the relay. The P116 is an ideal solution when auxiliary power is not required, is not available or unreliable. The P116 includes a built-in USB port for fast connection to the setting software (Easergy Studio).

Local automation

Motor operators

Eaton’s ISG-SD switchgear motor operators are 24-volt DC powered, constructed of 304 stainless steel, and are sealed and submersible rated. The motor operator is compact, and bolts directly to the operating handle housing for ease of field installation and future upgradability. Each motor operator comes with mounting hardware, connector pins and adjustable linkages to connect the motor operator to the operating handle. The quick-disconnect linkage allows for field testing and operation of the motor operator without interrupting service to the customer.

Pendant control

Eaton’s ISG-SD switchgear pendant controls are portable, handheld, cabled controls for remote operation, and status confirmation of each way located within the vault. The pendant control dramatically increases personnel safety by placing crews outside of the arc flash boundary. Maintenance personnel can remotely open and close any position without being in front of the equipment. The standard cable length is 20’ while other lengths are available. The pendant control comes in a highly durable, submersible-rated case that can be disconnected and carried from vault to vault.

Junction boxes

Eaton’s ISG-SD switchgear submersible-rated junction box allows for pendant control of multi-way switchgear. The junction box makes possible the highest level of personnel safety, time savings, and operational flexibility when maintaining vaults that are in more challenging locations such as in streets, under water, and near heavily trafficked walkways. The junction box brings together the status, trip circuits, and CTs from the switch tank, and the status of the external motor operators, allowing for remote operability and control of each position.

Junction box and motor operator pendant control

Radio/engineering access enclosures

Eaton’s ISG-SD submersible radio/engineering access enclosure remotely positions the SCADA communications radio, cellular modem or fiber optic transceiver outside of the main control cabinet. This solves a multitude of challenges currently facing communications crews who require remote SCADA or local access but may not enter the vault for a variety of safety and clearance reasons. This allows communications crews/engineers to download events or change settings on the relay remotely.

Tautan Unduh

Sebagai perusahaan cerdas di bidang manajemen daya, Eaton berdedikasi untuk meningkatkan kualitas hidup dan melindungi lingkungan bagi semua orang di mana pun mereka berada. Kami memiliki komitmen untuk berbisnis secara sehat, beroperasi secara berkelanjutan, dan membantu pelanggan kami dalam mengelola daya ─ baik hari ini maupun di masa depan. Dengan memanfaatkan tren pertumbuhan global mengenai elektrifikasi dan digitalisasi, kami mempercepat transisi bumi ke arah energi terbarukan sekaligus membantu mengatasi tantangan terberat yang dihadapi dunia dalam bidang manajemen daya.

ISG-SD submersible switchgear