NH1 Size 1 gG HRC Knife-Blade Fuse Link AC 500V/690V 80–250A 100kA Breaking Capacity
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The NH1 Size 1 square tube knife-blade HRC fuse link has overall dimensions of 135 × 68 × 68 mm, adopting gG general-purpose utilization category for cable and line protection. Compliant with IEC 60269-2 and GB 13539 standards, it is rated for AC 500V/690V with 80–250A current range at 500V and 80–160A at 690V, delivering 100kA breaking capacity at 500V. Its standard plug-in structure fits all NH1 fuse bases for quick replacement, widely used in low-voltage distribution panels and industrial switchgears.
Date sheet
MIRO NH00C gG square tube knife plug-in fuse link, rated 500V/690V, max power dissipation 12W, breaking capacity up to 100kA, widely used for cabinet circuit overload and short-circuit safeguarding.
| parameter | value | Test standard/ method |
|---|---|---|
| Frequency | 45－62Hz | Adopt network analyzer for testing |
| Voltage | 500V/690V | Voltmeter |
| Current | 500V: 2A,4A,6A,8A,10A,16A,20A,25A,32A,40A,50A,63A,80A,100A 690V: 2A,4A,6A,8A,10A,16A,20A,25A,32A,40A,50A,63A | Ammeter, clamp meter |
| Power dissipation of a fuse-link | 12W max | Millivoltmeter |
| Breaking capacity of a fuse-link | 500V/100kA 690V/50kA | Type test |
| Utilization category of a fuse-link | gG | GB 13539.1-2015 GB/T 13539.2-2015 |
| Installation method | Square tube knife plug-in type | - |
PRODUCTS SIZE:
Applications
Protection against overload and short-circuit in electric lines (type gG), also available for protection of semiconductor parts and equipments against short-circuit (type aR) and protection of motors (type aM).
Design Features
Variable cross-section fuse element made from pure copper or silver sealed in cartridge made from high-duty ceramic; Fuse tube filled with chemically treated high-purity quartz sand as arc extinguishing medium. Dot-welding of fuse element ends to the terminals ensures reliable electric connection and forms insert knife type contacts. Indicator or striker may be attached to the fuse link to show cutout of fuse or to give various signals and to cut the circuit automatically.
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