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Square D > On-line Catalog > Products > Switchboards and Switchgear > Speed-D Switchboards: SB/SF Switchboards

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Speed-D® Switchboards

Class 2710 / Refer to Pricing List 2710PL9602

Speed-D® SB/SF Switchboards (UL Listed)

Utility–Service disconnect–distribution
Utility–Up to six service disconnects
Single service disconnect, either circuit breaker or fusible rated 400, 600, or 800 amperes with either type of distribution interiors, NQOD up to 240 Vac, I-Line® through 480 Vac
Six service disconnects, group-mounted fusible, QMB/QMJ, 30–400 amperes; utility compartment—400, 600, and 800 amperes
Meter doors can be 15 inches with one meter socket and test block or 30 inches high with two meter sockets and test block

Application

Suitable for use as service entrance equipment on ac systems. Sections contain metering compartment, barriers, main disconnects, distribution panel, neutral bus, and grounding provisions.

Metering

C/T compartment with two 15-inch blank meter doors. (Order doors with meter socket from Table E on 11-5.) Incoming cable lugs are for top feed with one twin conductor 2 AWG600 kcmil lug per phase and neutral, suitable for aluminum or copper cables. Optional single conductor lug is available. Refer to Table F on page 11-5.

Mains

Main circuit breaker types are either LH or MH. Main fusible device is supplied with Class T fuses. Multiple main devices use plug-on fusible switches.

Branches

NQOD distribution bus is rated 400 amperes and provides mounting space for QO®/QOB Type (150 amperes maximum) circuit breakers. Panel provides space for mounting 42 single pole circuit breakers. One or two individually mounted 225 amperes maximum circuit breakers can be added with bus connectors. (Order subfeed circuit breakers from Table G on page 11-5.)
I-Line® distribution bus is rated 400, 600, or 800 amperes and will accept 27-inches of I-Line circuit breakers on the left side maximum frame size of “J” or “K”. The right side will accept either a QO plug-on distribution panel (240 volts only) or LA or LH I-Line circuit breaker.

Enclosure

Totally enclosed front accessible with ANSI 49 gray baked enamel finish. Dimensions are 90 in. (H) x 36 in. (W) x 14 in. (D) for indoor and 90 in. (H) x 36 in. (W) x 24.5 in. (D) for outdoor enclosures.

EUSERC Utility Metering, Main Disconnects and Distribution Panel (UL Listed)

Service
Voltage
Mains
Ratings
(A)
SCCR
240 V
Max.
SCCR
480 V
Max.
65