Selection Guide

16
CONTROL PRODUCTS
Siemens / Speedfax Previous folio: 16-51, 10IC 8-51
Product Category: NEMA
Overload Relays
Special Use Solid State Overloads, Class 958 and 958L Selection
Siemens Power Distribution & Control, SPEEDFAX™ 2007-2008 Product Catalog
16-51
NEMA & General Purpose Control

Temperature rating 앥25° to 쎵60°C.
Ordering Information
䊳
Dimensions see page 16-109.
Current Transformers
Rating Catalog No. List Price $
150:5 97CT002 178.00
200:5 97CT003 178.00
250:5 97CT004 178.00
300:5 97CT005 178.00
400:5 97CT006 178.00
600:5 97CT008 178.00
750:5 97CT009 178.00
1200:5 97CT012 178.00
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
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
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 355.00
25–100 3 "B" 958GB3SA 3UB85335GW2 410.00
50–200 3 "B" 958HB3SA 3UB85335HW2 450.00
5.5–22 3 "A1" 958LDB3SA 3UB85236DW2 175.00
10–40 3 "A1" 958LEB3SA 3UB85236EW2 240.00
13–52 3 "B" 958LFB3SA 3UB85336FW2 250.00
25–100 3 "B" 958LGB3SA 3UB85336GW2 265.00
50–200 3 "B" 958LHB3SA 3UB85336HW2 450.00
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)
Sect_16a_Speedfax2007 10/6/09 2:28 PM Page 16-51