Eaton Cutler-Hammer Digitrip 520M Instructions Manual page 3

I.L. 70C1037H02
Table 1.1 Protection Types Available for Digitrip Trip Units
Trip Unit Type
Ampere Range
RMS Sensing
Protection and Coordination
Protection Ordering Options
Fixed Rating Plug (In)
Overtemperature Trip
Long Long Delay Setting
Delay Long Delay Time I
Protection Long Delay Thermal Memory
Short Short Delay Pick-Up
Delay Short Delay Time I
Protection Short Delay Time FLAT
Short Delay Time ZSI
Instan- Instantaneous Pick-Up
taneous Off Position
Protection Making Current Release
Ground Ground Fault Option
(Earth) Ground Fault Alarm
Fault Ground Fault Pick-Up
Protection Ground Fault Delay I
Ground Fault Delay Flat
Ground Fault ZSI
Ground Fault Memory
System Diagnostics
Status/Long Pick-up LED
Cause of Trip LEDs
Remote Ground Trip/Alarm Contacts
System Metering
Digital Display
Notes: 1. Limited to 1200 Amperes; this is only for UL versions, not for IEC models.
2. Four cause of trip LEDs–L, S, I, G. Making Current Release is indicated by the Instantaneous LED.
3. Requires optional Ground Alarm/Power Supply Module (see Section 1.6).
4. Additional setting is marked M1 where:
800-3200A Frame:
4000-6300A Frame:
5. ZSI = Zone Selective Interlock (see Section 3.4)
Effective 8/13/99
Courtesy of NationalSwitchgear.com
Digitrip 220
200A-3200A
Yes
Yes
Yes
Fixed @ 1 x (In)
2
t at 6 x (Ir) Fixed @ 10 seconds
Yes
4
2
t at 8 x (Ir)
5
4 200-1000% x (In)
Yes
2 t at .625 x (In)
5
Yes
M1 = 14 x /n for Plug Amps 200 through 1250A
M1 = 12 x /n for Plug Amps 1600, 2000, 2500A
M1 = 10 x /n for Plug Amps 3000, 3200A
M1 = 14 x /n for Plug Amps 2000, 2500A (see Section 2.5)
M1 = 12 x /n for Plug Amps 3200, 4000, 5000A
M1 = 10 x /n for Plug Amps 6300A
Digitrip 520/520i
200A-6300A
Yes
LI LSI,LSIG/WLSIG
Yes
Yes
0.4-1.0 x (In)
2-24 Seconds
Yes
No 200-1000% x (Ir)
No 100-500 ms
No 100-500 ms
No Yes
200-1000% x (In)
No Yes
Yes
No Yes
No No
No 25-100% x (In)
No 100-500 ms
No 100-500 ms
No Yes
No Yes
Yes
2
No Yes
No No
No No
Digitrip 520M/520Mi
200A-6300A
Yes
MLSI,MLSIG,
MLSIA/MWLSIG
Yes
Yes
0.4-1.0 x (In)
2-24 Seconds
Yes
200-1000% x (Ir)
100-500 ms
100-500 ms
Yes
200-1000% x (In)
Yes
Yes
Yes
Yes 3
1 1
25-100% x (In)
100-500 ms
100-500 ms
Yes
Yes
Yes
2
Yes
Yes 3
4 Char. LCD
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