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Heavy-Duty Safety Switches

Siemens Heavy-Duty Safety Switches (HDSS) provide superior performance and application flexibility. Siemens HDSS features quick-make-and-quick-break operation and visible blade-switching construction for various amperages with fusible and non-fusible designs. These safety switches include a wide range of accessories and a unique Siemens feature of 200% neutrals and isolated ground kits.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Switch Contact Blocks / Switch Kits HDSS AUX CONT 1A1B 600V 800-1200A HA165678 Siemens 1: $394.65 5In Stock	Mfr. Part No. HA165678 Mouser Part No 982-HA165678	Siemens	Switch Contact Blocks / Switch Kits HDSS AUX CONT 1A1B 600V 800-1200A Learn More about Siemens hdss	Datasheet	5In Stock	$394.65 $389.06 $389.05 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P3W 600V 60A N3R HF362R Siemens 1: $764.87 3In Stock	Mfr. Part No. HF362R Mouser Part No 982-HF362R	Siemens	Disconnect Switches HDSS FUS 3P3W 600V 60A N3R Learn More about Siemens hdss	Datasheet	3In Stock	$764.87 $730.82 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P4W 600V 100A N3R HF363NR Siemens 1: $1,301.09 5In Stock	Mfr. Part No. HF363NR Mouser Part No 982-HF363NR	Siemens	Disconnect Switches HDSS FUS 3P4W 600V 100A N3R Learn More about Siemens hdss	Datasheet	5In Stock	$1,301.09 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P4W 240V 60A N3R HF322NR Siemens 1: $626.66 5In Stock	Mfr. Part No. HF322NR Mouser Part No 982-HF322NR	Siemens	Disconnect Switches HDSS FUS 3P4W 240V 60A N3R Learn More about Siemens hdss	Datasheet	5In Stock	$626.66 Quote Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P3W 600V 100A N3R HF363R Siemens 1: $1,191.97 3In Stock	Mfr. Part No. HF363R Mouser Part No 982-HF363R	Siemens	Disconnect Switches HDSS FUS 3P3W 600V 100A N3R Learn More about Siemens hdss	Datasheet	3In Stock	$1,191.97 $1,062.47 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P4W 600V 200A N1 HF364N Siemens 1: $1,388.86 3In Stock	Mfr. Part No. HF364N Mouser Part No 982-HF364N	Siemens	Disconnect Switches HDSS FUS 3P4W 600V 200A N1 Learn More about Siemens hdss	Datasheet	3In Stock	$1,388.86 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P3W 600V 100A N1 HF363 Siemens 1: $821.96 3In Stock	Mfr. Part No. HF363 Mouser Part No 982-HF363	Siemens	Disconnect Switches HDSS FUS 3P3W 600V 100A N1 Learn More about Siemens hdss	Datasheet	3In Stock	$821.96 $778.69 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS NF 3P3W 600V 100A N3R HNF363R Siemens 1: $844.24 2In Stock	Mfr. Part No. HNF363R Mouser Part No 982-HNF363R	Siemens	Disconnect Switches HDSS NF 3P3W 600V 100A N3R Learn More about Siemens hdss	Datasheet	2In Stock	$844.24 $831.32 View Quote	Min.: 1 Mult.: 1
Disconnect Switches 30A 3P 600V 3W FUSED HD TYPE 1 HF361 Siemens 1: $363.36 3In Stock	Mfr. Part No. HF361 Mouser Part No 982-HF361	Siemens	Disconnect Switches 30A 3P 600V 3W FUSED HD TYPE 1 Learn More about Siemens hdss	Datasheet	3In Stock	$363.36 $324.72 $316.24	Min.: 1 Mult.: 1
Disconnect Switches HDSS NF 2P2W 600V 30A N1 HNF261 Siemens 1: $211.07 5In Stock	Mfr. Part No. HNF261 Mouser Part No 982-HNF261	Siemens	Disconnect Switches HDSS NF 2P2W 600V 30A N1 Learn More about Siemens hdss	Datasheet	5In Stock	$211.07 $198.99 $198.95 $198.10 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HD SAFTEY SWITCH NF 3P3W 600V 30A N3R HNF361R Siemens 1: $373.58 4In Stock	Mfr. Part No. HNF361R Mouser Part No 982-HNF361R	Siemens	Disconnect Switches HD SAFTEY SWITCH NF 3P3W 600V 30A N3R Learn More about Siemens hdss	Datasheet	4In Stock	$373.58 $338.90 $338.85 View Quote	Min.: 1 Mult.: 1
Disconnect Switches 60A 3P 600V 3W NON FUSED HD TYPE 1 HNF362 Siemens 1: $353.15 4In Stock	Mfr. Part No. HNF362 Mouser Part No 982-HNF362	Siemens	Disconnect Switches 60A 3P 600V 3W NON FUSED HD TYPE 1 Learn More about Siemens hdss	Datasheet	4In Stock	$353.15 $327.72 $319.24 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS NF 3P3W 600V 60A N1 H RED HNF362H Siemens 1: $302.51 4In Stock	Mfr. Part No. HNF362H Mouser Part No 982-HNF362H	Siemens	Disconnect Switches HDSS NF 3P3W 600V 60A N1 H RED Learn More about Siemens hdss	Datasheet	4In Stock	$302.51 $277.62 $277.60 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS NF 3P3W 600V 60A N3R HNF362R Siemens 1: $603.96 2In Stock	Mfr. Part No. HNF362R Mouser Part No 982-HNF362R	Siemens	Disconnect Switches HDSS NF 3P3W 600V 60A N3R Learn More about Siemens hdss	Datasheet	2In Stock	$603.96 $577.94 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS NF 3P3W 600V 200A N1 HNF364 Siemens 1: $852.13 1In Stock	Mfr. Part No. HNF364 Mouser Part No 982-HNF364	Siemens	Disconnect Switches HDSS NF 3P3W 600V 200A N1 Learn More about Siemens hdss	Datasheet	1In Stock	$852.13 $808.31 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P3W 600V 30A N3R HF361R Siemens 1: $664.89 5In Stock	Mfr. Part No. HF361R Mouser Part No 982-HF361R	Siemens	Disconnect Switches HDSS FUS 3P3W 600V 30A N3R Learn More about Siemens hdss	Datasheet	5In Stock	$664.89 $589.81 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P4W 600V 60A N3R HF362NR Siemens 1: $828.47 2In Stock	Mfr. Part No. HF362NR Mouser Part No 982-HF362NR	Siemens	Disconnect Switches HDSS FUS 3P4W 600V 60A N3R Learn More about Siemens hdss	Datasheet	2In Stock	$828.47 $748.35 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P3W 600V 200A N1 HF364 Siemens 1: $1,217.95 2In Stock	Mfr. Part No. HF364 Mouser Part No 982-HF364	Siemens	Disconnect Switches HDSS FUS 3P3W 600V 200A N1 Learn More about Siemens hdss	Datasheet	2In Stock	$1,217.95 $1,123.95 View Quote	Min.: 1 Mult.: 1
Disconnect Switches 30A 3P 600V 3W NON FUSED HD TYPE 1 HNF361 Siemens 1: $197.95 9In Stock	Mfr. Part No. HNF361 Mouser Part No 982-HNF361	Siemens	Disconnect Switches 30A 3P 600V 3W NON FUSED HD TYPE 1 Learn More about Siemens hdss	Datasheet	9In Stock	$197.95 $184.98 $180.21 $175.41 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS FUS 3P4W 240V 30A N1 HF321N Siemens 1: $249.11 4In Stock	Mfr. Part No. HF321N Mouser Part No 982-HF321N	Siemens	Disconnect Switches HDSS FUS 3P4W 240V 30A N1 Learn More about Siemens hdss	Datasheet	4In Stock	$249.11 $220.12 $211.40 $210.61 View Quote	Min.: 1 Mult.: 1
Disconnect Switches 60A 3P 600V 3W FUSED HD TYPE 1 HF362 Siemens 1: $405.27 1In Stock	Mfr. Part No. HF362 Mouser Part No 982-HF362	Siemens	Disconnect Switches 60A 3P 600V 3W FUSED HD TYPE 1 Learn More about Siemens hdss	Datasheet	1In Stock	$405.27 $378.97 $378.95 View Quote	Min.: 1 Mult.: 1
Disconnect Switches Replacement Mechanism 400A-600A HM656A Siemens 1: $174.99 2In Stock 1Expected 30/10/2026	Mfr. Part No. HM656A Mouser Part No 982-HM656A	Siemens	Disconnect Switches Replacement Mechanism 400A-600A Learn More about Siemens hdss	Datasheet	2In Stock 1Expected 30/10/2026	$174.99 $158.39 $155.13 $152.97 View Quote	Min.: 1 Mult.: 1
Switch Contact Blocks / Switch Kits HDSS NEUTRAL LUG KIT 600V 30-60A HN612 Siemens 1: $79.46 3In Stock	Mfr. Part No. HN612 Mouser Part No 982-HN612	Siemens	Switch Contact Blocks / Switch Kits HDSS NEUTRAL LUG KIT 600V 30-60A Learn More about Siemens hdss	Datasheet	3In Stock	$79.46 $71.26 $66.70 $65.19 View $63.99 Quote	Min.: 1 Mult.: 1
Switch Contact Blocks / Switch Kits HDSS NEUTRAL LUG KIT 600V 60-100A HN623 Siemens 1: $137.17 5In Stock	Mfr. Part No. HN623 Mouser Part No 982-HN623	Siemens	Switch Contact Blocks / Switch Kits HDSS NEUTRAL LUG KIT 600V 60-100A Learn More about Siemens hdss	Datasheet	5In Stock	$137.17 $129.38 $127.61 $126.36 View Quote	Min.: 1 Mult.: 1
Disconnect Switches HDSS NF 3P3W 600V 30A N12 HNF361J Siemens 1: $652.18 1In Stock	Mfr. Part No. HNF361J Mouser Part No 982-HNF361J	Siemens	Disconnect Switches HDSS NF 3P3W 600V 30A N12 Learn More about Siemens hdss	Datasheet	1In Stock	$652.18 $574.17 View Quote	Min.: 1 Mult.: 1

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Heavy-Duty Safety Switches

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