Siemens SENTRON 3VL160X System Manual page 42

Functions
4.1 Protection functions
Further information on
Further information for
Ground-fault protection (Page 49)
Table 4- 5 Image references for
No. Meaning
①
Vectorial summation current formation
(3-conductor system)
②
Vectorial summation current formation
(4-conductor system)
③
Direct recording of the ground-fault current
at the neutral point of the transformer
Table 4- 6 General data II
Order No. Releases
supplement
DK M
DE M
EE M
DA TM
2)
DD TM
2)
DC TM
2)
EH TM
2)
EJ TM
2)
EA TM
2)
EC TM
2)
EM TM
2)
SP ETU10M
3)
MP ETU10M
3)
SB ETU10
MB ETU10
LB ETU10
TA ETU10
NA ETU10
LA ETU10
TB ETU10
NB ETU10
SL ETU12
ML ETU12
42
① ② ③
, and
① ②
,
① ② ③
, and
I t Trip class (t
2
(ON/OFF)
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— 10
— 10
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
③
and can be found in chapter:
Information in image
"Molded case circuit breaker in balanced systems"
•
"3-pole molded case circuit breaker, current transformer in neutral
•
conductor current"
"4-pole molded case circuit breaker, current transformer installed
•
internally"
"3-pole molded case circuit breaker, current transformer at the
•
grounded neutral point of the transformer"
) Time-lag Thermal-
C
class (t ) magnetic
R
release
— —
— —
— —
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
— —
— —
2.5 ... 30 —
2.5 ... 30 —
2.5 ... 30 —
2.5 ... 30 —
2.5 ... 30 —
2.5 ... 30 —
2.5 ... 30 —
2.5 ... 30 —
2.5 ... 30 —
2.5 ... 30 —
Magnetic Electronic
release trip unit
✓ —
✓ —
✓ —
— —
— —
— —
— —
— —
— —
— —
— —
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
— ✓
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
LCD
display
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—