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Siemens HNF363 100-Amp 3 Pole 600-volt 3 Wire Non-Fused Heavy Duty Safety Switches

Q: Is this disconnect suitable for outdoor use?

Unfortunately, this model is for indoor use only. The model you would want is HNF363R or a Nema 3R type disconnect. Nema 3R is the designation for weather proofed electrical equipment where Nema 1 is for indoor use only.

Q: Since this is non-fused, can it be wired backwards so the line connects at the bottom and load at the top?

UL98 makes no mention of reverse feeding. Fused safety switches cannot be reverse fed since there would be no way to change the fuse (always energized). HNF363 is non-fused so this is not a concern. The word “Line” is embossed at the top of the enclosure but there is no "Load" marking which can be interpreted to mean it can be backfed. However it still poses a possibly dangerous condition. Consider safety signage on the device at the direction of the engineer that says “Voltage present on load side when switch is in off position” just to alert personnel of a possible hazard. The local AHJ would also have to approve.

Q: What is the HP rating of this switch? Thanks

Power Rating 15 HP at 240 Volt AC 1 Phase, 40 HP at 240 Volt AC 3 Phase, 30 HP at 480 Volt AC 1 Phase, 75 HP at 480 Volt AC 3 Phase, 40 HP at 600 Volt AC 1 Phase, 100 HP at 600 Volt AC 3 Phase, 20 HP at 250 Volt DC

Q: is this for outside use

No, it will be inside (under roof).

4.4/5

Product ID: 366099030

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Details

Operation Mode
automatic
Current Rating
100 Amps
Operating Voltage
600 Volts
Contact Type
Normally Open
Connector Type
Lugs
Brand
SIEMENS

Description

Siemens HNF363 100-Amp 3 Pole 600-volt 3 Wire Non-Fused Heavy Duty Safety Switches

Have a Question? See What Others Asked

Is this disconnect suitable for outdoor use?

Since this is non-fused, can it be wired backwards so the line connects at the bottom and load at the top?

What is the HP rating of this switch? Thanks

is this for outside use

Common Questions

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The product exactly matches the description. Very satisfied with my purchase.

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Received my product in pristine condition. Great service overall.

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Bs.10797

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