PUB 50412
D64RPB100 SERIES B1 DIGITAL GROUND FAULT RELAY
Revision 3
April, 2008
Page 13
Zero Sequence Current Transformers with 500:1 ratio:
C311CT1
1.81" (46 mm) inside diameter, Toroidal
C311CT2
3.54" (90 mm) inside diameter, Toroidal
C311CT3
5.9" x 6.7" (150 x 170 mm) rectangular, Split Core
C311CT4
3.94" x 13.78" (100 x 350 mm) rectangular, Split Core
C311CT5
5.7" (145 mm) inside diameter, Toroidal
C311CT6
9.45" (240 mm) inside diameter, Toroidal
C311CT7
11.8" x 11.8" (300 x 300 mm) square, Split core
C311CT8
1.1" (28 mm) inside diameter, Toroidal
C311CT9
2.56" (65 mm) inside diameter, Toroidal
C311CT28
1.1” (28 mm) inside diameter, Toroidal – with wire leads
For mounting dimensions and additional information on C311CT current transformers refer to the
current Eaton’s Cutler-Hammer catalog.
6.
TECHNICAL SPECIFICATION
Control Voltage............................................................................................. 24 – 240 Volts ac or dc
0.6 VA @ 24 Vac
0.8 VA @ 120 Vac
1.1 VA @ 240 Vac
0.5 Watts @ dc Voltages
-
Operating voltage tolerance...................................... 80% to 110% of rated voltage 24 -32 V ac
55% to 110% of rated voltage 32 – 240 V ac
80% to 110% of rated voltage 24 – 240 V dc
- Isolation voltage........................................................ 400V rms. 50-60 Hz 1min, 2.5 kV impulse
- Under voltage tolerance (no impaired operation):
DC voltage
≥
38V:
withstands loss of supply up to 50 ms
DC voltage
≥
80V:
withstands loss of supply up to 180 ms
DC voltage
≥
138V:
withstands loss of supply up to 400 ms
AC voltage
≥
38V:
withstands loss of supply up to 70 ms
AC voltage
≥
80V:
withstands loss of supply up to 250 ms
AC voltage
≥
138V:
withstands loss of supply up to 600 ms
- Power Up Time................................................................................................ 500 milliseconds
Maximum System Voltage & Frequency .................................................. 660 Volts ac, 45 to 450 Hz
The D64RPB100 may be applied on higher voltage circuits providing the power conductors are
insulated for the system voltage.
Output Relay:
Contacts:
Maximum UL rating:
5 A @ 125 and 250 V ac, general use
5 A @ 30 V dc, resistive
1/6 hp, 125 and 250 V ac
3 A, 360 VA, @ 120 V ac, pilot duty
1.5 A, 360 VA, @ 240 V ac, pilot duty
EN 60947-5-1 rating:
5 A @ 250 Vac, Utilization category AC-12
4 A @ 250 Vac, Utilization category AC-13
3 A @ 250 Vac, Utilization category AC-14, AC15
(Continued on next page)