Cutler-Hammer - Eaton Canada
Cutler-Hammer - Eaton Canada
Cutler-Hammer - Eaton Canada
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<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.