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Speed-D Switchboards

CTC Cabinets -- Wall Mounted Metering Equipmentf

Class 2730

Main Circuit Breaker and Current Transformer Compartment

Service Entrance Equipment Hot or Cold Sequence Metering, Top or Bottom Feed, Indoor Construction at 600 Volts

General: Suitable for use as service entrance equipment on AC systems. Listed by Underwriters’ Laboratories.

Service: 1Ø3W, 3Ø3W, 3Ø4W, rated up to 600 Vac maximum.

Metering: a Current transformer compartment with provisions for installing bar type current transformers. For window type current transformers, order bus link kit from product selection table below.

Standard unit is factory assembled for bottom feed cold sequence or top feed hot sequence metering applications. The unit is field convertible for bottom feed hot sequence or top feed cold sequence metering. Refer to Class 2730 Installation and Operation Bulletin for field conversion details.

Mains: Main disconnects provided. 400-800 ampere: MJP. 1000-1200 ampere: PJP. Handle lock-off attachment provided for main circuit breaker as standard.

Refer to page 7-37 for field installable accessories.

Enclosure: Front accessible, totally enclosed, gray baked enamel finish. Available as indoor construction only. Dimensions—78"H x 26"W x 14.3"D.

 

Table 9.174:

Product Selection Table

System	Service Voltage (AC)	Ampere Rating of Main	Catalog Number	$ Price
1P3W, 3Ø3W, 3Ø4W	600 V Max.	400	CTC364CUd	4680.
		600	CTC366CUd	5870.
		800	CTC368CUd	7603.
		1000	CTC3610CUd	9730.
		1200	CTC3612CUd	10944.
Bus Link Kit—Utilized when installing window type current transformers			SS4BLCc	152.
Ground Fault Protection Factory installed onlyb				3145.

 

Table 9.175:

Lug Table

Ampere Rating	Main Circuit Breaker Lug Wire Range e	Ground Lug
400	(3) 3/0–500 kcmil	#6 AWG–300 kcmil
600	(3) 3/0–500 kcmil
800	(3) 3/0–500 kcmil
1000	(4) 3/0–500 kcmil
1200	(4) 3/0–500 kcmil

a	Field conversion is the customer’s responsibility, only the standard configuration is built by the factory.

b	Must specify feed (top or bottom) and sequence (hot or cold) at the time of order. Ground fault protection—consists of ground fault relay, ground fault sensor, and display. Available only on 1000 A and 1200 A units.

c	Kits required per 3Ø application:  400–600 A—Order one kit  800–1200 A—Order two kits

d	Includes 8" box extension.

e	CT bus lugs and neutral lugs are identical to the main circuit breaker lugs.

f	Not EUSERC approved. For EUSERC approved Speed-D switchboard, see pages 11-3 through 11-5.

 

 

PE1A	Discount Schedule