Grundfos NBE - Page 28

Typical shaft
power P2
Maximum fuse
size
Fuse type
Maximum
conductor
cross-section
5)
132 (200) 350 gG 2 × 70
160 (250) 400 gG 2 × 185
200 (300) 500 gG 2 × 185
250 (350) 600 aR 2 × 185
3 x 525-600 V
0.75 (1) 10 gG 4
1.1 (1.5) 10 gG 4
1.5 (2) 10 gG 4
2.2 (3) 20 gG 4
3 (4) 20 gG 4
4 (5) 20 gG 4
5.5 (7.5) 32 gG 4
7.5 (10) 32 gG 4
11 (15) 40 gG 10
15 (20) 40 gG 10
18.5 (25) 50 gG 10
22 (30) 60 gG 35
30 (40) 80 gG 35
37 (50) 100 gG 35
45 (60) 150 gG 50
55 (75) 160 gG 50
75 (100) 225 aR 150
Typical shaft
power P2
Maximum fuse
size
Fuse type
Maximum
conductor
cross-section
5)
90 (125) 250 aR 150
3 x 525-690 V
11 (15) 63 gG 35
15 (20) 63 gG 35
18.5 (25) 63 gG 35
22 (30) 63 gG 35
30 (40) 63 gG 35
37 (50) 80 gG 95
45 (60) 100 gG 95
55 (75) 125 gG 95
75 (100) 160 gG 95
90 (125) 160 gG 95
110 (150) 225 - 2 × 70
132 (200) 250 - 2 × 70
160 (250) 350 - 2 × 70
200 (300) 400 - 2 × 185
250 (350) 500 - 2 × 185
5)
Screened motor cable, unscreened supply cable.
Related information
11.4 Electrical data
11.3.5
UL fuses and conductor cross-sections to mains and motor, for installations in North America
Typical shaft
power P2
Fuse type Maximum
conductor
cross-section
Bussmann SIBA Littel Fuse Ferraz-Shawmut
RK1/E1958/
JFHR2
J/E4273 T/
JDDZ
T/E4274 H/
JDDZ
RK1/
Bussmann
E125085
JFHR2
RK1/SIBA
E180276 RKI/
JDDZ
CC/Littel Fuse
E71611 JFHR2
RK1/E60314
JFHR2
[kW (hp)] [AWG]
1 x 200-240 V
1.1 (1.5) KTN-R20 - - - - - - 10
1.5 (2) KTN-R30 - - - - - - 7
2.2 (3) KTN-R40 - - - - - - 7
3 (4) KTN-R40 - - - - - - 7
3.7 (5) KTN-R60 - - - - - - 7
5.5 (7.5) - - - - - - - 7
7.5 (10) - - - - - - - 2
3 x 200-240 V
0.75 (1) KTN-R10 JKS-10 JJN-10 5017906-010 KTN-R10 ATM-R10 A2K-10R 10
1.1 (1.5) KTN-R20 JKS-20 JJN-20 5017906-020 KTN-R20 ATM-R20 A2K-20R 10
1.5 (2) KTN-R20 JKS-20 JJN-20 5017906-020 KTN-R20 ATM-R20 A2K-20R 10
2.2 (3) KTN-R20 JKS-20 JJN-20 5017906-020 KTN-R20 ATM-R20 A2K-20R 10
3 (4) KTN-R30 JKS-30 JJN-30 5012406-032 KTN-R30 ATM-R30 A2K-30R 10
3.7 (5) KTN-R30 JKS-30 JJN-30 5012406-032 KTN-R30 ATM-R30 A2K-30R 10
5.5 (7.5) KTN-R50 JKS-50 JJN-50 5012406-050 KLN-R50 - A2K-50R 7
7.5 (10) KTN-R50 JKS-60 JJN-60 5012406-050 KLN-R60 - A2K-50R 7
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English (US)