
Safety Switches
Safety switches and disconnects are electrical safety devices that are used to protect electrical circuits and equipment from overloading, short-circuits, and other electrical hazards. They help to prevent electrical fires, minimize the risk of electric shock, and protect electrical equipment from damage.
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Light Duty Safety Switches
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General Duty Safety Switches
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Heavy Duty Safety Switches
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Double Throw Safety Switches
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Special Application Safety Switches
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Disconnect Switches
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Rotary Safety Switches
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Safety Switch Accessories
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- Price
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Siemens HNF367 Safety Switches
MSRP $12,449.50Surplus $2,484.86SKU: S21-2181 Brand: Siemens MPN: HNF367 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-2181
- Series:
- HNF
- Country of Origin:
- USA
- Type:
- Heavy Duty
- Number of Poles:
- 3
- Number of Wires:
- 3
- Enclosure:
- NEMA 1
- Approval:
- UL
- Short Description:
- 240/480/600 VAC, 250/600 VDC, 800 A, 50 HP at 600 VAC 1-Phase, 500 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 3-Pole, NEMA 1, Painted Steel, Non-Fusible, Heavy Duty, Single Throw Safety Switch
- Power Rating:
- 50 HP (1 Phase), 500 HP (3 Phase)
- AC Voltage Rating:
- 600 V
- Current Rating:
- 800 A
- Data Sheet:
- SiemensAG_06227_1_DATA.pdf
- Catalog:
- SiemensAG_01698_18_6_18_10_18_13_18_27_CAT.pdf
- Neutral Type:
- No
- Fuse Provision:
- Non-Fusible
- DC Voltage Rating:
- 250 V
MSRP $12,449.50Surplus $2,484.86 -
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Siemens HNF367J Heavy Duty Safety Switches
MSRP $15,765.00Surplus $3,830.90SKU: S21-3342 Brand: Siemens MPN: HNF367J UPC: 78364315196 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3342
- Short Description:
- 240/480/600 VAC, 250/600 VDC, 800 A, 50 HP at 600 VAC 1-Phase, 500 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 3-Pole, NEMA 12/13/3R/3S, Galvanized/Painted Steel, Non-Fusible, Heavy Duty, Single Throw Safety Switch
- Country of Origin:
- USA
- Series:
- HNF
- Approval:
- UL 98
- AC Voltage Rating:
- 480/600 V
- Number of Wires:
- 3
- Fuse Provision:
- Non-Fusible
- Type:
- Heavy Duty
- Number of Poles:
- 3
- Data Sheet:
- SiemensAG_06228_1_DATA.pdf
- DC Voltage Rating:
- 250 V
- Current Rating:
- 800 A
- Neutral Type:
- No
- Enclosure:
- NEMA 12
- Catalog:
- SiemensAG_01698_18_6_18_10_18_13_18_27_CAT.pdf
- Power Rating:
- 50 HP at 480/600 VAC 1-Phase, 500 HP at 480/600 VAC 3-Phase, 50 HP at 250 VDC
MSRP $15,765.00Surplus $3,830.90 -
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Siemens HNF367S Heavy Duty Safety Switches
MSRP $35,142.00Surplus $8,539.51SKU: S21-3994 Brand: Siemens MPN: HNF367S UPC: 78364317419 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3994
- Country of Origin:
- USA
- Fuse Provision:
- Non-Fusible
- Current Rating:
- 800 A
- Enclosure:
- NEMA 4X
- Size:
- 39.96 Inch Width x 14.68 Inch Depth x 55.16 Inch Height
- Enclosure Material:
- 304 Stainless Steel
- Approval:
- UL 98
- Installation/Operator:
- SiemensAG_00666_INST.pdf
- Data Sheet:
- SiemensAG_10133_1_2_DATA.pdf
- Short Description:
- HDSS NF 3P3W 600V 800A N4X
- Catalog:
- SiemensAG_09175_18_3-18_31_CAT.pdf
- Neutral Type:
- No
- AC Voltage Rating:
- 480/600 V
- Number of Poles:
- 3
- Number of Wires:
- 3
- Power Rating:
- 50 HP at 480/600 VAC 1-Phase, 500 HP at 480/600 VAC 3-Phase, 50 HP at 250 VDC
- DC Voltage Rating:
- 250 V
- Type:
- Heavy Duty Safety
MSRP $35,142.00Surplus $8,539.51 -
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Siemens HNF368 Heavy Duty Safety Switches
MSRP $6,615.00Surplus $1,607.45SKU: S21-3963 Brand: Siemens MPN: HNF368 UPC: 78364315125 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3963
- Country of Origin:
- USA
- Short Description:
- 40" x 17.8" x 55.16", 600 VAC, 1200 A, 500 HP, NEMA 1 Indoor, 3-Pole, Steel, Non-Fusible, Heavy Duty, Single Throw, Safety Switch
- Enclosure:
- NEMA 1
- Current Rating:
- 1200 A
- AC Voltage Rating:
- 480/600 V
- Fuse Provision:
- Non-Fusible
- Size:
- 39.96 Inch Width x 14.68 Inch Depth x 55.16 Inch Height
- DC Voltage Rating:
- 250 V
- Power Rating:
- 50 HP at 480/600 VAC 1-Phase, 500 HP at 480/600 VAC 3-Phase, 50 HP at 250 VDC
- Type:
- Heavy Duty Safety
- Data Sheet:
- SiemensAG_09358_1_2_DATA.pdf
- Number of Poles:
- 3
- Approval:
- UL 98
- Neutral Type:
- No
- Number of Wires:
- 3
- Catalog:
- SiemensAG_57195_18_5_CAT.pdf
- Enclosure Material:
- Steel
MSRP $6,615.00Surplus $1,607.45 -
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Siemens HNF368R Safety Switches
MSRP $21,437.50Surplus $6,516.99SKU: S21-2182 Brand: Siemens MPN: HNF368R UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-2182
- Series:
- HNF
- Short Description:
- 240/480/600 VAC, 250/600 VDC, 1200 A, 50 HP at 600 VAC 1-Phase, 500 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 3-Pole, NEMA 3R, Galvanized/Painted Steel, Non-Fusible, Heavy Duty, Single Throw Safety Switch
- Current Rating:
- 1200 A
- Enclosure:
- NEMA 3R
- Number of Wires:
- 3
- Fuse Provision:
- Non-Fusible
- Type:
- Heavy Duty Safety
- Power Rating:
- 15 HP at 240 VAC, 50 HP at 480/600 VAC 1-Phase, 250 HP at 240 VAC, 500 HP at 480/600 VAC 3-Phase, 50 HP at 250 VDC
- Size:
- 40.25 Inch W x 14.68 Inch D x 54.16 Inch H
- Country of Origin:
- USA
- Catalog:
- SiemensAG_01698_18_6_18_10_18_13_18_27_CAT.pdf
- Number of Poles:
- 3
- Approval:
- UL 98
- DC Voltage Rating:
- 250 V
- Data Sheet:
- SiemensAG_06230_1_DATA.pdf
- AC Voltage Rating:
- 240/480/600 V
- Neutral Type:
- No
MSRP $21,437.50Surplus $6,516.99 -
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Siemens LNF222RA Safety Switches 2P 60A 240V 50/60Hz 1Ph Non Fusible 2Wire NEMA 3R
MSRP $402.00Surplus $78.15Siemens LNF222RA Safety Switches 2P 60A 240V 50/60Hz 1Ph Non Fusible 2Wire NEMA 3R​ ARCA SKU: S21-1512 Brand: Siemens MPN: LNF222RA UPC: 804766784736 Shipping Weight: 3.00 lbs. Shipping...- SKU:
- S21-1512
- Short Description:
- 240 VAC, 60 A, 10 HP at 240 VAC 1-Phase, 2-Wire, 2-Pole, NEMA 3R, Non-Fusible, General Duty
- Number of Wires:
- 2
- Fuse Provision:
- Non-Fusible
- Enclosure:
- NEMA 3R
- Type:
- General Duty
- AC Voltage Rating:
- 240 V
- Current Rating:
- 60 A
- Number of Poles:
- 2
- TS PIK:
- 127758181
- Data Sheet:
- SiemensAG_06416_1-4_DATA.pdf
- Catalog:
- SiemensAG_01698_18_6-18_8_18_24_CAT.pdf
- Installation/Operator:
- SiemensAG_00393_INST.pdf
- Number of Phases:
- 1
- Series:
- LNF
- Country of Origin:
- MEX
MSRP $402.00Surplus $78.15 -
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Siemens NF355HDTK Double Throw Safety Switches
MSRP $19,590.00Surplus $4,760.37SKU: S21-3394 Brand: Siemens MPN: NF355HDTK UPC: 78364339763 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3394
- Current Rating:
- 400 A
- Country of Origin:
- USA
- Short Description:
- 600 VAC, 250 VDC, 400 A, 350 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 3-Pole, 3-Wire, NEMA 3R/12, (2) 1/0 AWG to 250 KCMIL/(1) 1/0 to 750 KCMIL Copper/Aluminum, Non-Fusible, Heavy Duty, Service Equipment, Double Throw Safety Switch
- Type:
- Heavy Duty, Service Equipment
- Number of Poles:
- 3
- Power Rating:
- 350 HP at 600 VAC 3-Phase, 50 HP at 250 VDC
- AC Voltage Rating:
- 600 V
- Number of Wires:
- 3
- Size:
- 22.66 Inch W x 7.25 Inch D x 53.82 Inch H
- Approval:
- UL
- Enclosure:
- NEMA 3R/12
- Neutral Type:
- No
- Series:
- NF
- Fuse Provision:
- Non-Fusible
- DC Voltage Rating:
- 250 V
- Data Sheet:
- SiemensAG_06750_1_DATA.pdf
- Catalog:
- SiemensAG_01698_18_31_18_34_CAT.pdf
MSRP $19,590.00Surplus $4,760.37 -
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Siemens NF355SSDTK Double Throw Safety Switches
MSRP $34,374.00Surplus $8,352.88SKU: S21-3410 Brand: Siemens MPN: NF355SSDTK UPC: 78364339764 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3410
- Country of Origin:
- USA
- Short Description:
- DOUBLE THROW SW 400A 3P NF TYPE 4
- Current Rating:
- 400 A
- DC Voltage Rating:
- 600 V
- Number of Wires:
- 3
- Enclosure:
- NEMA 4X
- Fuse Provision:
- Non-Fusible
- Number of Poles:
- 3
MSRP $34,374.00Surplus $8,352.88 -
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Siemens NF454DTK Double Throw Safety Switches
MSRP $6,898.50Surplus $1,676.34SKU: S21-3368 Brand: Siemens MPN: NF454DTK UPC: 78364327853 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3368
- Short Description:
- 600 VAC, 250 VDC, 200 A, 15 HP at 240 VAC 1-Phase, 150 HP at 600 VAC 3-Phase, 40 HP at 250 VDC, 4-Pole, NEMA 1, 6 AWG to 250 KCMIL Copper/Aluminum, Non-Fusible, Heavy Duty, Service Equipment, Double Throw Safety Switch
- Enclosure:
- NEMA 1
- Number of Poles:
- 4
- Size:
- 19.19 Inch W x 6.32 Inch D x 37.25 Inch H
- Approval:
- UL
- AC Voltage Rating:
- 600 V
- Current Rating:
- 200 A
- Neutral Type:
- No
- Catalog:
- SiemensAG_01698_18_31_18_34_CAT.pdf
- Type:
- Heavy Duty, Service Equipment
- DC Voltage Rating:
- 250 V
- Fuse Provision:
- Non-Fusible
- Power Rating:
- 150 HP at 600 VAC 3-Phase, 40 HP at 250 VDC
- Data Sheet:
- SiemensAG_06751_1_DATA.pdf
- Country of Origin:
- USA
- Series:
- NF
MSRP $6,898.50Surplus $1,676.34 -
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Siemens NF455DTK Double Throw Safety Switches
MSRP $19,732.00Surplus $4,794.88SKU: S21-4023 Brand: Siemens MPN: NF455DTK UPC: 78364308721 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-4023
- Type:
- Heavy Duty Safety
- AC Voltage Rating:
- 600 V
- Current Rating:
- 400 A
- Size:
- 27 Inch Width x 8.88 Inch Depth x 63.31 Inch Height
- Short Description:
- DOUBLE THROW SW 400A 4P NF TYPE 1
- Data Sheet:
- SiemensAG_10144_1_2_DATA.pdf
- Number of Poles:
- 4
- Enclosure:
- NEMA 1
- Catalog:
- SiemensAG_09175_18_32_18_34_CAT.pdf
- Power Rating:
- 350 HP at 600 VAC 3-Phase (Standard), 50 HP at 250 VDC
- Country of Origin:
- USA
- DC Voltage Rating:
- 250 V
- Approval:
- UL 98
- Fuse Provision:
- Non-Fusible
- Neutral Type:
- No
MSRP $19,732.00Surplus $4,794.88 -
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Siemens NF456DTK Double Throw Safety Switches
MSRP $25,936.00Surplus $6,302.45SKU: S21-4024 Brand: Siemens MPN: NF456DTK UPC: 78364308722 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-4024
- Country of Origin:
- USA
- Short Description:
- DOUBLE THROW SW 600A 4P NF TYPE 1
- Number of Wires:
- 4
- Number of Poles:
- 4
- Current Rating:
- 600 A
- Type:
- Double Throw
- DC Voltage Rating:
- 600 V
- Fuse Provision:
- Non-Fusible
- Enclosure:
- NEMA 1
MSRP $25,936.00Surplus $6,302.45 -
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Siemens NF457DTK Double Throw Safety Switches
MSRP $65,736.00Surplus $15,973.85SKU: S21-4025 Brand: Siemens MPN: NF457DTK UPC: 78364333037 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-4025
- Country of Origin:
- USA
- Short Description:
- DOUBLE THROW SW 800A 4P NF TYPE 1
- Type:
- Double Throw
- Current Rating:
- 800 A
- Number of Poles:
- 4
- Fuse Provision:
- Non-Fusible
- Number of Wires:
- 4
- Enclosure:
- NEMA 1
- DC Voltage Rating:
- 600 V
MSRP $65,736.00Surplus $15,973.85 -
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Siemens NF651SS Heavy Duty Safety Switches
MSRP $899.00Surplus $218.46SKU: S21-4009 Brand: Siemens MPN: NF651SS UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-4009
- Number of Poles:
- 6
- DC Voltage Rating:
- 600 V
- Fuse Provision:
- Non-Fusible
- Current Rating:
- 30 A
- Number of Wires:
- 6
- Type:
- Heavy Duty
- Enclosure:
- NEMA 4X
MSRP $899.00Surplus $218.46 -
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Siemens NF652H Heavy Duty Safety Switches
MSRP $799.00Surplus $194.16SKU: S21-4007 Brand: Siemens MPN: NF652H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-4007
- Number of Poles:
- 6
- Fuse Provision:
- Non-Fusible
- Current Rating:
- 60 A
- Number of Wires:
- 6
- Enclosure:
- NEMA 3R
- Type:
- Heavy Duty
- DC Voltage Rating:
- 600 V
MSRP $799.00Surplus $194.16 -
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Siemens NF652SS Heavy Duty Safety Switches
MSRP $899.00Surplus $218.46SKU: S21-4010 Brand: Siemens MPN: NF652SS UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-4010
- Type:
- Heavy Duty
- Current Rating:
- 60 A
- Enclosure:
- NEMA 4X
- Number of Poles:
- 6
- Number of Wires:
- 6
- Fuse Provision:
- Non-Fusible
- DC Voltage Rating:
- 600 V
MSRP $899.00Surplus $218.46 -
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Siemens NFR256DTK Double Throw Safety Switches
MSRP $5,947.00Surplus $1,445.12SKU: S21-4028 Brand: Siemens MPN: NFR256DTK UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-4028
- Current Rating:
- 600 A
- Type:
- Double Throw
- Enclosure:
- NEMA 3R
- Number of Poles:
- 2
- Number of Wires:
- 2
- Fuse Provision:
- Non-Fusible
- DC Voltage Rating:
- 600 V
MSRP $5,947.00Surplus $1,445.12 -
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Siemens NFR454DTK Double Throw Safety Switches
MSRP $12,918.00Surplus $3,139.07SKU: S21-3389 Brand: Siemens MPN: NFR454DTK UPC: 78364327857 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3389
- DC Voltage Rating:
- 250 V
- AC Voltage Rating:
- 600 V
- Type:
- Heavy Duty, Service Equipment
- Series:
- NF
- Enclosure:
- NEMA 3R
- Power Rating:
- 150 HP at 600 VAC 3-Phase, 40 HP at 250 VDC
- Country of Origin:
- USA
- Data Sheet:
- SiemensAG_06752_1_DATA.pdf
- Fuse Provision:
- Non-Fusible
- Approval:
- UL
- Neutral Type:
- No
- Catalog:
- SiemensAG_01698_18_32_18_34_CAT.pdf
- Current Rating:
- 200 A
- Number of Poles:
- 4
- Size:
- 19.19 Inch W x 6.32 Inch D x 37.25 Inch H
MSRP $12,918.00Surplus $3,139.07 -
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Siemens NFR455DTK Double Throw Safety Switches
MSRP $26,726.00Surplus $6,494.42SKU: S21-3390 Brand: Siemens MPN: NFR455DTK UPC: 78364308726 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3390
- Country of Origin:
- USA
- Short Description:
- DOUBLE THROW SW 400A 4P NF TYPE 3R
- Number of Poles:
- 4
- Current Rating:
- 400 A
- Fuse Provision:
- Non-Fusible
- Enclosure:
- NEMA 3R
- Number of Wires:
- 4
- DC Voltage Rating:
- 600 V
MSRP $26,726.00Surplus $6,494.42 -
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Siemens NFR456DTK Double Throw Safety Switches
MSRP $32,874.00Surplus $7,988.38SKU: S21-4031 Brand: Siemens MPN: NFR456DTK UPC: 78364308727 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-4031
- Short Description:
- DOUBLE THROW SW 600A 4P NF TYPE 3R
- Country of Origin:
- USA
- Type:
- Double Throw
- Fuse Provision:
- Non-Fusible
- Number of Wires:
- 4
- Enclosure:
- NEMA 3R
- Number of Poles:
- 4
- DC Voltage Rating:
- 600 V
- Current Rating:
- 600 A
MSRP $32,874.00Surplus $7,988.38 -
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Siemens NFR457DTK Double Throw Safety Switches
MSRP $80,576.00Surplus $19,579.97SKU: S21-4032 Brand: Siemens MPN: NFR457DTK UPC: 78364308728 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-4032
- Short Description:
- DOUBLE THROW SW 800A 4P NF TYPE 3R
- Country of Origin:
- USA
- Type:
- Double Throw
- Fuse Provision:
- Non-Fusible
- DC Voltage Rating:
- 600 V
- Number of Wires:
- 4
- Enclosure:
- NEMA 3R
- Current Rating:
- 800 A
- Number of Poles:
- 4
MSRP $80,576.00Surplus $19,579.97
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