PRODUCT BRIEF
Cooper Power Systems
manufactures a line of
Superior, Tough And
Reliable faulted circuit
indicators to fit your
application.
BULLETIN B320-97037
S.T.A.R.™ Manual Reset Type Faulted Circuit Indicators
A Cost Effective Unit Designed for Trouble-shooting
Description:
Cooper Power Systems’ S.T.A.R. Manual Reset (MR) faulted circuit indicators (FCIs) can be used on
overhead uninsulated, unshielded cable and unshielded insulated cable such as tree wire. The MR FCI
can also be installed on pad-mounted distribution transformers, sector cabinets and switchgear applications.
To reset the FCI, simply touch the reset tool to the MR housing.
The S.T.A.R. MR FCI is designed with a clamping mechanism that’s “a snap” to connect to an energized
system for a wide range of cable diameters. Installation is quick and easy, with only one hot stick.
The unique FISHEYE™ display, with a highly reflective orange target, provides enhanced 180 degree
visual indication. The display is black under normal conditions.
The selection of an MR faulted circuit indicator has never been easier! For conventional indicators,
trip ratings are selected based on cable diameter, load current and minimum fault current levels. Now to
select trip rating, simply choose the “HI” trip rating for 600 A URD systems, or for applications close to the
substation where available fault currents tend to be greater than 800 A. Select a “LO” trip rating for 200 A
URD circuits, or for areas further out on the system where available fault currents tend to be less than
800 A. This approach to trip selection means that one indicator fits all cable diameters from
0.25” through 2.0”.
With this simplified approach to rating selection:
■ Ordering is easier and faster.
■ Inventory is reduced, eliminating the need to stock multiple designs.
■ Pre-installation load surveys are not needed.
■ FCI changeouts are not necessary as systems grow.
■ Misapplication due to trip selection errors are eliminated.
Design Features:
These design features are standard on every S.T.A.R. Manual Reset faulted circuit indicator:
■ Low Pass Filter: Prevents tripping on high frequency transients
■ Temperature Compensation Circuitry: Assures accurate, reliable performance over a wide
temperature range
■ Reliable Open Core CT Design: Eliminates tripping due to adjacent magnetic fields
■ Quick Response Time: Coordinates with all current-limiting fuses
■ Tough, Durable Construction: Corrosion-proof, damage-resistant, display status cannot
mechanically change
■ Exceeds ANSI®/IEEE Standard 495-1986™
■ Quick and Easy Installation: Only one hot stick is required
PRODUCT BRIEF
S.T.A.R.™ Manual Reset Type Faulted Circuit Indicators
Electrical
Ratings and
Characteristics:
Description
Power Source
Trip Current
Trip Accuracy
Trip Response Speed
Fault Withstand Capability
Temperature Range
Materials
Cable Size
Weight
Ratings and Characteristics
Two 1.2 AH Lithium Ion Batteries (20 year shelf life)
Factory Preset (High and Low)
+/- 10%
Response Curve, Figure 4, Sec. 320-70
25 kA for 10 cycles per ANSI®/IEEE 495-1986™
-40° C to +85° C
Corrosion-resistant & submersible per ANSI®/IEEE 495-1986™
0.25 (6.4 mm) to 2.0 inches (51 mm)
22 ounces (.62 kg)
FRONT VIEW
SIDE VIEW
4.1”
(116 5mm)
6.65”
(168.8 mm)
3.65”
(93 mm)
Because we’ve incorporated so many “custom” features into our standard design, we’ve drastically reduced
the part numbers. This makes ordering easier and delivery faster. Use the diagram below to select the
S.T.A.R. Manual Reset Type faulted circuit indicator for your application. Contact your local Cooper Power
Systems sales engineer for catalog section 320-70 and additional information.
Standard
Ordering
Information:
Digits: 1
S
2
M
Options
3
H
4
I
5
6
7
S.T.A.R. FCI Line
FCI Type
Example: A Manual Reset FCI with a high
trip rating would have a catalog number
SMHI (as shown below).
Options
Trip Rating
Digits
Digit
2
M
Type
Manual Reset
3
4
L O
H I
Trip Rating
Low
High
Catalog No.
Manual Reset Tool
SMRT
Notes:
1. The S.T.A.R. FCI catalog number may vary in length from 4 digits to 7 digits.
2. The standard S.T.A.R. FCI catalog number may be truncated after entering digits 1-4.
© 2006 Cooper Power Systems, Inc., or its affiliates.
S.T.A.R.™ and FISHEYE ™ are trademarks of Cooper Power Systems, Inc., or
its affiliates.
IEEE Standard 495-1986™ is a trademark of the Institute of Electrical and
Electronics Engineers.
ANSI® is a registered trademark of the American National Standards Institute.
Bulletin B320-97037 • June 2006 • Suppersedes 1/99
1045 Hickory Street
Pewaukee, WI 53072 USA
www.cooperpower.com