28 S&C Instruction Sheet 662-510
Appendix C
Table 4. Optional Features
Item
Suffix to be
Added to
Pad-Mounted
Gear
Catalog Number
Applicable to Models
Light gray outdoor Ultradur II Outdoor Finish instead of olive green -A2 All models
Equipment green outdoor finish (Toronto standard) instead of olive green -A3 All models
Seafoam green outdoor finish instead of olive green -A4 All models
Special color Ultradur II Outdoor Finish instead of olive green -A5 All models
Stainless steel enclosure
①
With olive green Ultradur II Outdoor Finish -A10 All models
With light gray Ultradur II Outdoor Finish -A12 All models
With special color Ultradur II Outdoor
Finish
-A15 All models
Hexhead actuator for use in lieu of penta-
head actuator on all Penta-Latch
Mechanisms
For use except when catalog number suffix
“-F2” is specified
-B1
●■
All models
For use when catalog number suffix “-F2”
is also specified
-B2
▲■
All models except PMH-4
Copper bus
② and copper switch terminals, fuse connector adapters, and bus terminals -B5 All models
Reinforced bus
Used with standard aluminum bus -B6
15-kV models of PMH-6, -7, -8, -9,
-10, -11, 12, -13
Used with optional copper bus -B7
Key interlocks to prevent paralleling of switches in Compartments 1 and 2
③ -C1 PMH-6, -9, -10, -11, -13, -19
Key interlocks to prevent opening fuse-compartment doors unless all switches
(series tap switch only in PMH-19) are locked open③
-C3◆
PMH-5, -6, -7, -9, -11, -12, -19
Key interlocks. Combines functions of options “-C1” and “-C3” listed above
③
-C4◆
PMH-6, -9, -11, -19
Fuse Storage feature for three spare
fuse assemblies per compartment
④
Located in Compartment 1 -E1 PMH-5, -6, -7, -8, -9, -11, -19
Located in Compartment 2 -E2 PMH-6, -7, -9, -11, -12, -19
Located in Compartments 1 and 2 -E3 PMH-6, -7, -9, -11, -19
Mounting provisions for a fault indicator
in each switch compartment (except
series tap switch in PMH-19)
Note: Accommodates three-phase
indicator with single-phase sensors
Without viewing window in door -F1 All models except PMH-4
With viewing window in door
-F2
▼□
All models except PMH-4
Inner barrier panels—a panel inside the enclosure door for each compartment,
secured by recessed pentahead bolt(s)
⑤⑥
-G7□
All models
Copper ground stud for each switch,
fuse, or bus terminal and ground pad
⑦
In fuse compartments⑧ -H2 All models except PMH-3, -10, -13
In switch and bus compartments -J2 All models except PMH-4
① When this optional feature is specified, the entire exterior of the
enclosure is fabricated from 11-gauge Type 304 stainless steel. When
specifying optional hexhead actuators, provisions for fault indicators
with viewing windows in doors, or base spacer, specify the correct suffix
for use in gear with a stainless-steel enclosure.
② Copper bus measures ¼-in. (6 mm) × 2 in. (51 mm).
③ When specifying, furnish name of ultimate user, station, and location
of gear.
④ Fuse assemblies (fuse holders or fuse units with end-fittings) are
not included. For units equipped with Fault Fiter Electronic Power Fuse
Mountings, two spare Fault Fiter Interrupting Modules, one spare Fault
Fiter Electronic Power Fuse Holder, or one spare current-limiting fuse
holder can be accommodated in each compartment.
⑤ Where the National Electrical Safety Code (ANSI Standard C2) app-
lies, this optional feature may be included to meet the requirements of
Section 381G.
⑥ Meets RUS’s requirements for “dead-front.”
⑦ Diameters of copper ground studs are as follows:
Ground Stud
Switch
Fuse
Bus Terminal
Ground Pad
Diameter, in inches (mm)
¼ (6)
/ (11)
/ (11)
/ (11)
⑧ Including bus-compartment terminals in Model PMH-4.
● Specify catalog number suffix “-B11” for gear with stainless-steel
enclosure.
■ Not available if UL listing (catalog number suffix “-X”) is specified.
▲ Specify catalog number suffix “-B12” for gear with stainless-steel
enclosure.
◆ Must be specified if end user is not an electric utility and/or
if Canadian Standards Association listing (catalog number suffix “-Z”)
is specified.
▼ Specify catalog number suffix “-F12” for gear with stainless-steel
enclosure.
□ Not available if Canadian Standards Association listing (catalog
number suffix “-Z”) is specified.
TABLE CONTINUED ▶
To Next Page
Loading...
Need help?
General
