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Cutler-Hammer - Eaton Canada

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<strong>Cutler</strong>-<strong>Hammer</strong><br />

May 2001<br />

for lifting the breaker on or off the rails➀<br />

7. One — (Optional) Ramp for rolling<br />

breaker mounted in lower compartment<br />

directly onto the floor➀<br />

8. One — (Optional) Test cabinet for testing<br />

electrically operated breakers outside<br />

housing<br />

9. One — (Optional) “Dockable” transport<br />

dolly for moving breaker about outside its<br />

compartment➀<br />

10.One — (Optional) Electrical levering<br />

device.<br />

Bills of Material<br />

A. The metal-clad switchgear auxiliary section<br />

for control and instrumentation shall<br />

include the following:<br />

1. [Two — Line-to-line] [Three —<br />

Line-to-ground] voltage transformers<br />

2. Three — Current transformers<br />

3. One — _____ kVA [Single-phase]<br />

[Three-phase] control power transformer<br />

4. One — Microprocessor-based<br />

metering system<br />

5. Additional requirements as shown<br />

on the plans.<br />

B. The metal-clad switchgear main circuit<br />

breaker section for control of a main circuit<br />

breaker shall include the following:<br />

1. One — Drawout power circuit breaker<br />

rated ____ amperes<br />

2. Three — Current transformers, single<br />

➀ Applicable to 5-, 15- and 27-kV switchgear only.<br />

Medium-Voltage Distribution Equipment<br />

Metal-Clad Switchgear – Drawout Vacuum Breakers (VCP-W)<br />

Typical Specifications<br />

secondary<br />

3. One — Circuit breaker control switch with<br />

red and green indicating lights<br />

4. [One — Microprocessor-based threephase<br />

and ground overcurrent relay,<br />

ANSI device number 51/50, 51/50N]<br />

[Three — Single-phase overcurrent<br />

relays, induction-disk type ANSI device<br />

number 51/50 and One —<br />

Single ground overcurrent relay,<br />

ANSI device number 51/50N]<br />

5. One — Nameplate<br />

6. One — Microprocessor-based<br />

metering system<br />

7. One — Set of cable lugs.<br />

C. The metal-clad switchgear tie breaker<br />

section for control of a tie breaker shall<br />

include the following:<br />

1. One — Drawout power circuit breaker<br />

rated ______ amperes<br />

2. Three — Current transformers, single secondary<br />

3. One — Circuit breaker control switch with<br />

red and green indicating lights<br />

4. [One — Microprocessor-based threephase<br />

and ground overcurrent relay,<br />

ANSI device number 51/50, 51/50/N]<br />

[Three — Single-phase overcurrent<br />

relays, induction-disk type ANSI device<br />

number 51/50 and One — Single ground<br />

overcurrent relay. ANSI device number<br />

51/50, 50/51N]<br />

5. One — Nameplate<br />

6. One — Microprocessor-based<br />

metering system.<br />

B1-19<br />

D. Each metal-clad switchgear feeder<br />

breaker section for control of a feeder<br />

circuit breaker shall include the following:<br />

1. One — Drawout power circuit breaker<br />

rated ______ amperes<br />

2. Three — Current transformers, single secondary<br />

3. One — Circuit breaker control switch with<br />

red and green indicating lights<br />

4. [One — Microprocessor-based 3-phase<br />

and ground relay, ANSI device number<br />

51/50, 50/51G] [Three — Single-phase<br />

overcurrent relays, induction-disk type<br />

ANSI device number 51/50 and<br />

One — Single ground overcurrent relay.<br />

ANSI device number 51/50G]<br />

5. One — Nameplate<br />

6. One — Microprocessor-based metering<br />

system<br />

7. One — Set of cable lugs<br />

8. One — Zero sequence current<br />

transformer.

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