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800 Vac Class gR NH fuses
Product description Eaton's BussmannTM series 800 Vac NH size fuses are specifically designed to meet the needs of branch circuit and transformer protection in photovoltaic (PV) inverter systems. The fuses are capable of interrupting low overcurrents associated with faulted PV systems (such as reverse current or multi-array faults).
Catalogue symbol
• Bladed with lugs 170M7350 to 170M7402
• Bolt holes no lugs 170M7353-B to 170M7402-B
Fuse size • NH1, 2 and 3
Technical data
• Volts: 800 V a.c.
• Amps: 32 to 400 A
• Breaking capacity: 65 kA
• Class of operation: gR
Standards/Agency information
• UL 248-13 (file number E125085)
• IEC 60269-4 (see details in technical data table 1)
bladed version)
• 170H0236
• 170H0238
Compatible fuse holders (ordered separately ,only for use with bladed version)
• SD1-D
• SD2-D
• SD3-D
Catalog Numbers
Size
Amps
Vac
Catalog Numbers
NH1
32
800
170M7350
40
170M7351
50
170M7352
63
170M7353
80
170M7354
100
170M7355
125
170M7356
160
170M7357
200
170M7358
NH2
160
170M7397
200
170M7398
250
170M7399
NH3
315
170M7400
355
170M7401
400
170M7402
Carton Quantity
Amp Rating
Carton Qty.
32-400
10
Features
• NH size 1, 2 and 3 are compact to save enclosure space for greater design flexibility.
• Industry-leading low power loss provides greater efficiency and lower operating temperature.
• Dual indication feature and optional microswitches make system monitoring easier.
• Bolt-on version features common hole centers for standardizing busbar designs across the 63-400 amp range.
• Bolt-on version eliminates the need for a fuse block, reducing installation time and components.
• Compatible with Bussmann series PV NH base range
Standard features
• Compact design
• Low power loss
• Variation of fixing options
• Dual indicator feature
• Optional microswitches
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