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Our UL 891 Trailhead Series commercial switchboards are designed for rapid project deployment and are specialized to meet EUSERC utility standards.
Ranging from 400 to 1200 amps, and available in Type 1 and Type 3R enclosures, these switchboards are perfect for projects that need metering such as schools, shopping centers, warehouses, and commercial offices.
Custom solutions are also available, up to 4000 amps.
UL 891 Compliant Switchboards
We offer EUSERC utility metering sections and merchandised switchboards, in addition to customized switchboard solutions.
Our lowest-amperage switchboard, merchandised from
400 to 1200 amps.
Our midrange switchboard, customized from
1200 to 2500 amps.
Our highest-amperage UL 891 switchboard, customized from
2500 to 4000 amps.
UL 67 Compliant Panelboards
We also supply lighting panels and smaller distribution feed panels for commercial facilities.


The Trailhead
Product Information
APPLICATION
Suitable for use as service entrance equipment on AC systems, our sections contain metering compartments, barriers, main disconnects, distribution panels, neutral buses, and grounding provisions.
METERING
The C/T metering compartment comes with two configurable, 15-inch meter doors or a single 30-inch dual-meter door. Door selection is dependent on EUSERC utility.
Connections over 800 amps are hard-bussed.
MAIN
The main breaker provides the following amperage options: 400, 800, or 1200. 1200A breakers offer optional advanced electronic trip units and neutral C/T devices. We also offer bolted pressure switches as main disconnect devices, up to 1200 amps.
BRANCHES
The distribution bus is rated up to 1200 amps and provides up to 66x of mounting space for 15A - 800A circuit breakers.
For solar applications, a back-fed MCCB configuration is available with an additional bolt-style disconnect.
ENCLOSURE
The enclosure (front accessible only) is finished with a lovely ANSI 49 gray powder coat (or see our color customization options​). The dimensions (H x W x D) are as follows:
-
Indoor (Type 1): 90 in x 42 in x 30 in
-
Outdoor (Type 3R): 90 in x 42 in x 41 in

Specifications
-
Hot sequence utility compartment per EUSERC requirements
-
Up to 600 VAC
-
Maximum of 1200 amps
-
Two panel types available:
-
Utility-service disconnect (up to six service disconnects)
-
Group-mounted distribution (standalone or add-on)
-
-
Single-service disconnect; circuit breaker rated for 400, 600, 800, or 1200 amps and an SCCR of 100 kA @ 480 VAC. 100% rated breakers also available
-
Three layouts for meter doors offered:
-
Single 15-inch door with one meter socket and test block space
-
Dual 15-inch doors, each with one meter socket and test block space
-
Single 30-inch door with two meter sockets and test block space
-
-
Meter sockets can be 6-, 8-, 13-, or 15-jaw ring type, based on application
-
Accessories include the following:
-
Underground pull sections with and without lug landings
-
Padlock hasp attachments
-
Sub-feed circuit breakers with distribution section
-
Loadside wireway (available upon request)
-
ERMS switch (where required)
-
Power meters and SPDs
-
The Pathfinder
Product Information
APPLICATION
Suitable for use as service entrance equipment on AC systems, our sections contain metering compartments, barriers, main disconnects, distribution panels, neutral buses, and grounding provisions.
METERING
The C/T metering compartment comes with two configurable, 15-inch meter doors or a single 30-inch dual-meter door. Door selection is dependent on EUSERC utility.
Connections over 800 amps are hard-bussed.
MAIN
The main breaker provides the following amperage options: 1600, 2000, or 2500. All breakers offer advanced electronic trip units and neutral C/T devices. We also offer bolted pressure switches as main disconnect devices, up to 2500 amps.
BRANCHES
The distribution bus is rated up to 2500 amps and provides up to 66x of mounting space for 15A - 1200A circuit breakers. Fused disconnects are available from 200A - 600A.
For solar applications, a back-fed MCCB configuration is available with an additional bolt-style disconnect.
ENCLOSURE
The enclosure (front accessible only) is finished with a lovely ANSI 49 gray powder coat (or see our color customization options​). The dimensions (H x W x D) are as follows:
-
Indoor (Type 1): 90 in x 42 in x 30 in
-
Outdoor (Type 3R): 90 in x 42 in x 41 in

Specifications
-
Hot sequence utility compartment per EUSERC requirements
-
Up to 600 VAC
-
Maximum of 2500 amps
-
Two panel types available:
-
Utility-service disconnect (up to six service disconnects)
-
Group-mounted distribution (standalone or add-on)
-
-
Single-service disconnect; circuit breaker rated for 1600, 2000, or 2500 amps and an SCCR of 65 to 100 kA @ 480 VAC. 100% rated breakers also available
-
Three layouts for meter doors offered:
-
Single 15-inch door with one meter socket and test block space
-
Dual 15-inch doors, each with one meter socket and test block space
-
Single 30-inch door with two meter sockets and test block space
-
-
Meter sockets can be 6-, 8-, 13-, or 15-jaw ring type, based on application
-
Accessories include the following:
-
Underground pull sections with and without EUSERC lug landings
-
Padlock hasp attachments
-
Sub-feed circuit breakers with distribution section
-
Loadside wireway (available upon request)
-
ERMS switch
-
Power meters
-
SPDs up to 300 kA
-
The Switchback
Product Information
APPLICATION
Suitable for use as service entrance equipment on AC systems, our sections contain metering compartments, barriers, main disconnects, distribution panels, neutral buses, and grounding provisions.
METERING
The C/T metering compartment comes with two configurable, 15-inch meter doors or a single 30-inch dual-meter door. Door selection is dependent on EUSERC utility.
Connections over 800 amps are hard-bussed.
MAIN
The main breaker provides the following amperage options: 2500, 3000, 3500, or 4000. All breakers offer advanced electronic trip units and neutral C/T devices. We also offer bolted pressure switches as main disconnect devices, up to 4000 amps.
BRANCHES
The distribution bus is rated up to 4000 amps and provides up to 66x of mounting space for 150A - 1600A circuit breakers.
For solar applications, a back-fed MCCB configuration is available with an additional bolt-style disconnect.
ENCLOSURE
The enclosure (front accessible only) is finished with a lovely ANSI 49 gray powder coat (or see our color customization options​). The dimensions (H x W x D) are as follows:
-
Indoor (Type 1): 90 in x 42 in x 35 in
-
Outdoor (Type 3R): 90 in x 42 in x 46 in

Specifications
-
Hot sequence utility compartment per EUSERC requirements
-
Up to 600 VAC
-
Maximum of 4000 amps
-
Two panel types available:
-
Utility-service disconnect (up to six service disconnects)
-
Group-mounted distribution (standalone or add-on)
-
-
Single-service disconnect; circuit breaker rated for 2500, 3000, 3500, or 4000 amps and an SCCR of 65 to 100 kA @ 480 VAC. 100% rated breakers also available
-
Three layouts for meter doors offered:
-
Single 15-inch door with one meter socket and test block space
-
Dual 15-inch doors, each with one meter socket and test block space
-
Single 30-inch door with two meter sockets and test block space
-
-
Meter sockets can be 6-, 8-, 13-, or 15-jaw ring type, based on application
-
Accessories include the following:
-
Underground pull sections with and without EUSERC lug landings
-
Padlock hasp attachments
-
Sub-feed circuit breakers with distribution section
-
Loadside wireway (available upon request)
-
ERMS switch
-
Power meters
-
SPDs up to 300 kA
-


