Page 8-3
FPU-32 Feeder Protection Unit
Rev.
2-A-103014
Technical Specifications
(3)
Transformer accuracy not included.
(4)
Accuracy is a function of MPU-CIM to FPU-32 cable
resistance: % Accuracy = 2 + 0.65 x cable resistance (
).
(5)
PTC and RTD sensors are mutually exclusive.
(6)
Minimum time is 25 to 45 ms. See Table 5.2 for fault
duration required.
(7)
Display readability decreases at temperatures below
-20
C (-4
F).
8.2 C
URRENT
I
NPUT
M
ODULE
(MPU-CIM)
CT Inputs:
Thermal
Withstand:
Continuous .......................... 5 x CT-Secondary Rating
1-Second ............................. 80 x CT-Secondary
Rating
Burden:
1- and 5-A inputs ................ < 0.01
EFCT-x input ...................... 10
Interconnection Cable:
Type
....................................
Littelfuse
Startco
S75-M16A-20030
Resistance
...........................
5.3
/100 m (328’)
(1)
Supplied Length .................. 6 m (19’)
Terminal-Block Ratings:
CT Inputs ............................... 25 A, 500 Vac,
10 AWG (4.0 mm
2
)
Dimensions:
Height
.....................................
87
mm
(3.4”)
Width
.....................................
113
mm
(4.4”)
Depth
......................................
53
mm
(2.1”)
Shipping Weight ....................... 0.4 kg (0.9 lb)
PWB Conformal Coating ......... MIL-1-46058 qualified
UL QMJU2 recognized
Environment:
Operating Temperature ......... -40 to 60°C (-40 to
140°F)
Storage Temperature ............. -55 to 80°C (-67 to 176°F)
Humidity
.............................
85% Non-Condensing
Surge Withstand ....................... ANSI/IEEE C37.90.1-
1989 (Oscillatory and
Fast Transient)
Certification .............................. CSA, Canada and USA
UL
Recognized
To:
CSA C22.2 No. 14 Industrial Control Equipment
UL
508
Industrial
Control
Equipment
UL 1053 Ground Fault Sensing and Relaying
Equipment
NOTES:
(1)
Accuracy is a function of MPU-CIM to FPU-32 cable
resistance: % Accuracy = 2 + 0.65 x cable resistance (
).
