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Datasheet · JAES

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SIEMENS

SIEMENS — 3NA6820

FUS.NH ISOL.GL/GG GR.000 500VCA 50A SEGN

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Technical specifications

PRODUCT IDENTIFICATION

ManufacturerSIEMENS
Part number3NA6820

General technical data

Size of fuse system according to EN 60269-1NH000
Operating class of the fuse linkgG

Current

Operational current at AC rated value50 A
Tripping residual / rated value / derated current / at 40 Cel47.5 A

Supply voltage

Rated supply voltage at AC500 V
Rated supply voltage at DC250 V

Switching capacity

Switching capacity current according to IEC 60947-2 rated value120 kA
Switching capacity current at DC according to IEC 60947-2 rated value25 kA

Dissipation

Power loss for rated value of the current at AC in hot operating state per pole3.8 W

Protection class

Protection class IP with connected conductorsIP20

Mechanical Design

Mounting typeinsulated grip lugs
Width of the enclosure21 mm
Net weight126 g

Design

Design of an identification indicatorCombination alarms

Environmental conditions

Ambient temperature maximum40 °C
Global Shipping

Serving over 110 countries

Manufacturer’s Warranty

Provided by the manufacturer

Technical Support

Assistance and replacement parts

Secure Packaging

Protection for your components

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Product & Purchasing FAQs

What you need to know about purchasing, delivery times, and JAES supply warranties.

How soon will I receive a quote with pricing and availability?
The JAES sales team responds within 1 business hour on average, providing an official quote, estimated delivery times, and shipping terms.
What payment methods do you accept?
We accept credit card payments (secure, immediate transactions) and bank transfers. Deferred payment terms may be arranged for established industrial customers or large groups with recurring orders.
Can I request urgent shipping or delivery held for pickup?
Absolutely. JAES arranges dedicated express shipping and ensures continuous tracking. If your equipment is down, simply indicate the urgency in the form’s notes field.
Can I combine this part with components from other manufacturers in one order?
Yes—this is JAES’s core specialty. You can combine SIEMENS components with products from Siemens, Festo, ABB, Schneider, or other brands in a single consolidated order, reducing handling and transportation costs.