Description:
A square bodied range of industrial fuse links for a wide variety of applications.
A square bodied range of industrial fuse links for a wide variety of applications.
Part Number Structure:
(amp)NHM(size)B & (amp)NHM(size)B-690 e.g. 50NHM00B and 125NHM2B-690
(amp)NHM(size)B & (amp)NHM(size)B-690 e.g. 50NHM00B and 125NHM2B-690
Class of Operation: aM
Standards/Approvals: IEC 60269, DIN 43620 and CE
Ratings:
• Volts: 500Vac and 690Vac
• Amps: 6 to 630A
• Breaking Capacity: 120kA AC
• Operating Frequency: 45-62Hz
Environmental:
• Recyclable
• RoHS compliant
• Lead and Cadmium free for sizes 000 to 3 (6 to 500A)
Packaging: All fuse links are packed in 3’s.
Features:
• Energy savings
• Reliable dual indicator system
• Low temperature rise
• Globally compliant
• Intuitive part numbers
Microswitch for remote indication:
• BVL-50
Motor Protection Fuse Links - Part Numbers
Cooper Bussmann® aM fuse links have partial range breaking capacity and must be used in conjunction with a low overload protection device such as a motor protection relay.
Technical Data
Time-Current Characteristics
![](/uploads/spec-pics/201309/20NHM000B-690-63NHM00B-16NHM0B-690-Time-Current.jpg)
Cut-Off Current Characteristics
Technical Data
Part Numbers |
Fuse Size |
Amp Rating |
I2t Pre-arcing |
Total Clearing at 500V |
Total Clearing at 690V |
Watts Loss |
Net Weight per Fuse |
6NHM000B-690 | 000 | 6 | 71 | - | 360 | 0.33 | 0.133kg |
10NHM000B-690 | 10 | 175 | - | 700 | 0.52 | ||
16NHM000B-690 | 16 | 520 | - | 2000 | 0.81 | ||
20NHM000B-690 | 20 | 790 | - | 3000 | 0.92 | ||
25NHM000B-690 | 25 | 1000 | - | 4000 | 1.08 | ||
32NHM000B-690 | 32 | 1700 | - | 6800 | 1.42 | ||
35NHM000B-690 | 35 | 2450 | - | 9100 | 1.58 | ||
40NHM000B-690 | 40 | 3500 | - | 13500 | 1.68 | ||
50NHM00B | 00 | 50 | 5000 | 14000 | - | 2.28 | 0.200kg |
63NHM00B | 63 | 8800 | 24000 | - | 2.90 | ||
80NHM00B | 80 | 10500 | 30100 | - | 4.19 | ||
100NHM00B | 100 | 17000 | 49000 | - | 5.09 | ||
160NHM00B | 160 | 38000 | 100000 | - | 7.73 | ||
6NHM0B-690 | 0 | 6 | 71 | - | 360 | 0.42 | 0.245kg |
10NHM0B-690 | 10 | 175 | - | 700 | 0.67 | ||
16NHM0B-690 | 16 | 520 | - | 2000 | 0.98 | ||
20NHM0B | 20 | 790 | 2100 | - | 1.04 | ||
32NHM0B | 32 | 1750 | 4900 | - | 1.67 | ||
50NHM0B | 50 | 5000 | 14000 | - | 2.51 | ||
63NHM0B | 63 | 8800 | 24000 | - | 3.35 | ||
80NHM0B | 80 | 10500 | 30100 | - | 4.93 | ||
100NHM0B | 100 | 17000 | 49000 | - | 5.72 | ||
63NHM1B | 1 | 63 | 8800 | 24000 | - | 3.20 | 0.409kg |
80NHM1B | 80 | 10500 | 30100 | - | 4.60 | ||
100NHM1B | 100 | 17000 | 49000 | - | 5.70 | ||
125NHM1B | 125 | 25000 | 70000 | - | 6.98 | ||
160NHM1B | 160 | 38000 | 100000 | - | 9.20 | ||
200NHM1B | 200 | 51000 | 150000 | - | 13.70 | ||
250NHM1B | 250 | 79000 | 210000 | - | 15.30 | ||
125NHM2B-690 | 2 | 125 | 25000 | - | 96000 | 7.60 | 0.647kg |
160NHM2B-690 | 160 | 38000 | - | 145000 | 9.70 | ||
200NHM2B-690 | 200 | 51000 | - | 200000 | 13.90 | ||
250NHM2B-690 | 250 | 79000 | - | 300000 | 17.00 | ||
315NHM2B-690 | 315 | 115000 | - | 450000 | 26.00 | ||
355NHM2B-690 | 355 | 165000 | - | 650000 | 25.20 | ||
400NHM2B | 400 | 250000 | 710000 | - | 29.30 | ||
315NHM3B-690 | 3 | 315 | 110000 | - | 450000 | 20.60 | 1.113kg |
355NHM3B-690 | 355 | 160000 | - | 650000 | 23.90 | ||
400NHM3B-690 | 400 | 250000 | - | 980000 | 26.50 | ||
500NHM3B-690 | 500 | 550000 | - | 2000000 | 35.80 | ||
630NHM3B | 630 | 800000 | 2300000 | - | 56.90 |
Time-Current Characteristics
![](/uploads/spec-pics/201309/20NHM000B-690-63NHM00B-16NHM0B-690-Time-Current.jpg)
Cut-Off Current Characteristics
![](/uploads/spec-pics/201309/315NHM3B-690-160NHM2B-100NHM1B-Cut-Off-Current.jpg)