Page 301 - Fegime - Electrical Product Guide Issue 1 V5
P. 301

                    SWITCHGEAR & DISTRIBUTION Bussmann Series - BS88 Low Voltage Fuse Links Cross Reference
    British standard
Bussmann series standard catalogue numbers 240 to 550 V a.c.
Lawson MEM
Mersen
General industrial fuses
BS88 size reference
IEC utilisation class
Rated voltage (V a.c.) ** Rated voltage 500 V a.c.
Rated current (Amps)
SSD NSD ESD SMD STD NITD AAO BAO
SS NS ES MD LST NIT TIA TIS
CEO OSD DEO
TCP TIS TFP
        SS SN2 SP - LS SA2 SB3 SB4 SD5 SO SD6
 BNS42V/ BES42V/ BSS55V BES55V
E1 F1 F2
gG gG gG gG
240 550 550 415
2 2 2 2
BNIT42V/ BTIA42V BTIS42V BTCP42V BNIT55V
BTFP42V
    A1 A2
gG gG gG
240 550 550
2 2 2
A3 A4
 gG gG gG gG
500 500 500 415
40 32 80 125
    4 4 4 4 4 4 4 50 40 100 160
  6 6 6 6 6 6 6 63 50
200
  10 10 10 10
16 16 16 16
20 20 20 20
25 25 25 25
32 32 32 32
40
50
63
gM gM
415 415
20M25 63M80
20M32 63M100
10 10 10
16 16 16
20 20 20
25 25 25
32 32 32
gM gM
415 500
63
80
100
                Motor fuses
IEC utilisation class Rated voltage (V a.c.)
Extended motor range
Dimensions (mm)
Overall length
Fixing centres
Maximum diameter
Tag configuration
Number of hole fixings
Bussmann series Camaster/Safeloc Fuse Holder
Bussmann series Red Spot Fuse Holder
Approvals
gM gM gM gM
500 415 415 415
     20M36 32M40
20M36 32M50
32M40 32M63
32M63
100M200
20M25 32M40 63M80 100M125 100M125 200M250
20M32 32M50 63M100 100M160 100M160 200M315
     32M50
32M63
47 58.5 68 29
N/A N/A N/A N/A
12 17.5 21 21
Solid Solid Solid Ferrule Blade Blade Blade
47 55
35 44
13 17.5
Offset Offset
85871195110
737394
212131
Offset Offset Offset Offset Offset
       0 0 0 0 2 2 2 2 2 2 2
- 32NNS CM32FC CM32F CM63F CM100F
SC20 SC32 SC63 RS20H RS32 RS63 RS100
    BS88 •••••••••••
IEC 60269 • • • • • • • • • • •
ASTA •••••••••••
        Full load circuit of typical induction motors
Motor rating Rated voltage (V a.c.) kW HP 220 380 415 440 550 660
Full load circuit of typical induction motors
Motor rating Rated voltage (V a.c.) kW HP 220 380 415 440 550 660
Direct on-line starting
   0.37 0.5 2 1.15 1.05 1
37 45 55 75 90
50 128 60 151 75 185 100 257 120 308
75 69 65 52 43.3 87 80 75 60 50 10798927462 148 136 128 102 85 180 164 158 123 102 214 196 185 148 123 247 226 213 170 142 292 268 252 202 168 300 275 260 207 173 391 358 338 270 225 467 428 404 323 269 533 488 460 368 307 573 525 495 396 330 587 538 507 406 338
Motor Amps rating
From To
Recommended fuse link
Amps
Alternative extended motor circuit rating
Amps
20M25
20M32
32M40
32M40
32M50
0.55 0.75
2.7 1.6 3.9 2.3 4.7 2.8 6.5 3.8 9.3 5.4
1.5 1.4 2 1.9 2.5 2.4 3.5 3.3 5 4.7 6.5 6.1 8.4 7.9 11 10.3
0.8 1.1 1.5 1.9 2.6 3.8 4.9 6.4 8.2
0.75 1.1 1.5 2.2 3
1 1.5 2 3
0 0.7
4 12
4 5.5 15.4 9 5.5 7.5 20.7 11.9
110 150 370 132 175 426 150 200 500 160 215 - 200 270 - 240 320 - 280 375 - 300 400 - 320 425 -
0.8
1.5
2.1 3 10 3.1 6.1 16 6.2 9 20
7.5 10
11 15
15 20
18.5 25
7.1
28 16.1 14.4 14 11.2
9.1 11 11.1 14.4 14.5 15.4 15.5 18 18.1 22 22.1 28 28.1 45
25 32 35 40 50 63 80
0.7 0.9 1.3 1.6 2.2 3.2 4.1 5.3 6.9 9.3
19.8 15.8 13.2 26.4 21.1 17.6 33 26.4 22 39 31 26 52 42 35
2 1.4 4 2 6
 22 30
39.1 23 21
52.8 30.5 28
66 38 35
77 45 41
301
 Together we
32M63
30 40 103 60 55
GENERATE VALUE
63M80
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