Submittal Sheet

9/67
Siemens Industry, Inc.
Industrial Controls Catalog
Siemens / Speedfax Previous folio: 16-51, 10IC 8-51
Product Category: NEMA
a
Temperature rating S25° to R60°C.
Ordering Information

Dimensions see page 9/140.
Current Transformers
Rating Catalog No. List Price $
150:5 97CT002
200:5 97CT003
250:5 97CT004
300:5 97CT005
400:5 97CT006
600:5 97CT008
750:5 97CT009
1200:5 97CT012
Time - Current - Characteristics
CLASS 48
1
2
0.6
10
5
1.5
1
5
10
50
500
1000
multiple of full load amp (FLA)
Trip time in seconds
100
CLASS 5 - cold start
CLASS 5 - warm start
CLASS 10 - cold start
CLASS 20 - cold start
CLASS 30 - cold start
Trip - curve depending on unbalance - CLASS 20
1
2
0.6
10
5
1.5
1
5
10
50
500
1000
multiple of full load amp (FLA)
Trip time in seconds
100
phase unbalance = 0%, CLASS 20
phase unbalance = 20%, CLASS 20
phase unbalance = 50%, CLASS 20
phase unbalance = 80%, CLASS 20
phase unbalance = 100%, CLASS 20
Time - Current - Characteristics
CLASS 958, 958L
1
2
0.6
10
5
1.5
1
5
10
50
500
1000
multiple of full load amp (FLA)
Trip time in seconds
100
CLASS 958L
CLASS 958
Solid State—Class 958 and 958L
Current Adjustment Range Phase Frame Size Catalog Number MRPD/MLFB List Price $
10–40 3 “A1”
958EB3SA 3UB85235EW2
25–100 3 “B”
958GB3SA 3UB85335GW2
50–200 3 “B”
958HB3SA 3UB85335HW2
5.5–22 3 “A1”
958LDB3SA 3UB85236DW2
10–40 3 “A1”
958LEB3SA 3UB85236EW2
13–52 3 “B”
958LFB3SA 3UB85336FW2
25–100 3 “B”
958LGB3SA 3UB85336GW2
50–200 3 “B”
958LHB3SA 3UB85336HW2
Class 958, 958L
Time - Current - Characteristics
CLASS 958, 958L
Trip - curve depending on unbalance
CLASS 20
Time - Current - Characteristics
CLASS 48
multiple of full load amp (FLA) multiple of full load amp (FLA)
multiple of full load amp (FLA)
Overload Relays
Special Use Solid State Overloads, Class 958 and 958L
Selection