
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
- Product
- Qty in Cart
- Price
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Square D H366NR Heavy Duty Safety Switches
MSRP $15,047.81Surplus $10,585.47SKU: S21-2602 Brand: Square D MPN: H366NR UPC: 78590119582 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-2602
- TS PIK:
- 111085067
- Current Rating:
- 600 A
- AC Voltage Rating:
- 600 V
- Number of Wires:
- 4
- Type:
- Heavy Duty
- Fuse Provision:
- Fusible
- Enclosure:
- NEMA 3R
- Short Description:
- 600 VAC/VDC, 600 A, 500 HP, 3-Phase, 3-Pole, 4-Wire, Galvannealed Steel, Surface Mount, NEMA 3R, Class R/J/H/K, Fusible, Factory Installed Neutral, Heavy Duty, Safety Switch
- Installation/Operator:
- SchneiderElectric-Telemecanique_00477_INST.pdf
- DC Voltage Rating:
- 600 V
- Number of Poles:
- 3
- Data Sheet:
- SchneiderElectric-SquareD_46317_1-3_DATA.pdf
- CAD Drawings:
- SchneiderElectric_29507_1_CAD.pdf
- Fuse Type:
- Class R/J/H/K
- Catalog:
- SchneiderElectric-SquareD_32357_3_10_CAT.pdf
- Enclosure Material:
- Steel
- Neutral Type:
- Factory Installed
- Power Rating:
- 150 HP at 480 VAC 3-Phase, 400 HP at 480 VAC 3-Phase, 200 HP at 600 VAC 3-Phase, 500 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
- Size:
- 27.88 Inch Width x 10.13 Inch Depth x 50.31 Inch Height
- Prop 65 Warning:
- Yes
- Series:
- H
- Country of Origin:
- Mexico
- Approval:
- UL
- Finish:
- Galvannealed
MSRP $15,047.81Surplus $10,585.47 -
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Square D H366R Heavy Duty Safety Switches
MSRP $10,295.51Surplus $2,501.81SKU: S21-3530 Brand: Square D MPN: H366R UPC: 78590145201 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3530
- Short Description:
- 600 VAC/VDC, 600 A, 350 HP at 600 VAC 3-Phase, 3-Pole, 3-Wire, Galvannealed, Steel, Surface Mount, NEMA 3R, Class R/J/H/K, Fusible, Single Throw, Heavy Duty, Safety Switch
- Finish:
- Galvannealed
- AC Voltage Rating:
- 600 V
- Number of Poles:
- 3
- Fuse Provision:
- Fusible
- DC Voltage Rating:
- 600 V
- Current Rating:
- 600 A
- Power Rating:
- 100 HP at 480 VAC 3-Phase, 250 HP at 480 VAC 3-Phase, 125 HP at 600 VAC 3-Phase, 350 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
- Size:
- 27.88 Inch Width x 10.13 Inch Depth x 50.31 Inch Height
- Number of Wires:
- 3
- Fuse Type:
- Class R/J/H/K
- Enclosure:
- NEMA 3R
- Enclosure Material:
- Steel
- Data Sheet:
- SchneiderElectric-SquareD_46318_1-3_DATA.pdf
- CAD Drawings:
- SchneiderElectric_29507_1_CAD.pdf
- Installation/Operator:
- SchneiderElectric-Telemecanique_00477_INST.pdf
- Approval:
- UL
- Neutral Type:
- No
- Type:
- Heavy Duty, Single Throw
- Prop 65 Warning:
- Yes
- Catalog:
- SchneiderElectric-SquareD_32357_3_10_CAT.pdf
MSRP $10,295.51Surplus $2,501.81 -
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Square D H466 Heavy Duty Safety Switches
MSRP $6,452.56Surplus $1,567.97SKU: S21-3517 Brand: Square D MPN: H466 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-3517
- Current Rating:
- 600 A
- Enclosure Material:
- Steel
- CAD Drawings:
- SchneiderElectric_29514_1_CAD.pdf
- Fuse Provision:
- Fusible
- Size:
- 27.88 Inch Width x 10.13 Inch Depth x 50.31 Inch Height
- Number of Wires:
- 4
- Number of Poles:
- 4
- Enclosure:
- NEMA 1
- Power Rating:
- 150 HP at 480 VAC 2-Phase, 400 HP at 480 VAC 2-Phase, 200 HP at 600 VAC 2-Phase, 500 HP at 600 VAC 2-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
- Approval:
- UL
- Neutral Type:
- No
- Prop 65 Warning:
- Yes
- Type:
- Heavy Duty, Single Throw
- AC Voltage Rating:
- 600 V
- Installation/Operator:
- SchneiderElectric-SquareD_00229_INST.pdf
- DC Voltage Rating:
- 600 V
- Data Sheet:
- SchneiderElectric-SquareD_49930_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_3_10_CAT.pdf
- Short Description:
- 600 VAC/VDC, 600 A, 500 HP at 600 VAC 2-Phase, 4-Pole, 4-Wire, Steel, Surface Mount, NEMA 1, Class R/J/H/K, Fusible, Single Throw, Heavy Duty, Safety Switch
- Fuse Type:
- Class R/J/H/K
MSRP $6,452.56Surplus $1,567.97 -
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Square D H92346 Double Throw Safety Switches
MSRP $13,137.91Surplus $3,192.51SKU: S21-4115 Brand: Square D MPN: H92346 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-4115
- Number of Poles:
- 2
- Current Rating:
- 600 A
- DC Voltage Rating:
- 600 V
- Enclosure:
- NEMA 12
- Number of Wires:
- 2
- Fuse Provision:
- Non-Fusible
- Type:
- Double Throw
MSRP $13,137.91Surplus $3,192.51 -
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Square D H92356 Double Throw Safety Switches
MSRP $421.76Surplus $102.49SKU: S21-4107 Brand: Square D MPN: H92356 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-4107
- Type:
- Double Throw
- Number of Wires:
- 3
- Fuse Provision:
- Non-Fusible
- Enclosure:
- NEMA 12
- Current Rating:
- 600 A
- Number of Poles:
- 3
- DC Voltage Rating:
- 240 V
MSRP $421.76Surplus $102.49 -
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Square D H92446 Double Throw Safety Switches
MSRP $13,137.91Surplus $3,192.51SKU: S21-4121 Brand: Square D MPN: H92446 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-4121
- Fuse Provision:
- Non-Fusible
- Type:
- Double Throw
- Current Rating:
- 600 A
- Enclosure:
- NEMA 12
- Number of Poles:
- 4
- DC Voltage Rating:
- 600 V
- Number of Wires:
- 4
MSRP $13,137.91Surplus $3,192.51 -
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Square D H92456 Double Throw Safety Switches
MSRP $13,137.91Surplus $3,192.51SKU: S21-4111 Brand: Square D MPN: H92456 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-4111
- Number of Poles:
- 4
- Fuse Provision:
- Non-Fusible
- DC Voltage Rating:
- 240 V
- Current Rating:
- 600 A
- Enclosure:
- NEMA 12
- Number of Wires:
- 4
- Type:
- Double Throw
MSRP $13,137.91Surplus $3,192.51 -
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Square D HU266 Heavy Duty Safety Switches
MSRP $4,263.59Surplus $1,036.06SKU: S21-3519 Brand: Square D MPN: HU266 UPC: 78590125916 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3519
- CAD Drawings:
- SchneiderElectric_29466_1_CAD.pdf
- Installation/Operator:
- SchneiderElectric-Telemecanique_00478_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_3_11_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_47119_1_2_DATA.pdf
- Enclosure Material:
- Steel
- Neutral Type:
- No
- Approval:
- UL
- Enclosure:
- NEMA 1
- Short Description:
- 600 VAC/VDC, 600 A, 400 HP at 480 VAC 3-Phase, 2-Pole, 2-Wire, Steel, Surface Mount, NEMA 1, Non-Fusible, Single Throw, Heavy Duty, Safety Switch
- AC Voltage Rating:
- 600 V
- Fuse Provision:
- Non-Fusible
- Number of Poles:
- 2
- DC Voltage Rating:
- 600 V
- Size:
- 27.63 Inch Width x 10.13 Inch Depth x 50.25 Inch Height
- Type:
- Heavy Duty, Single Throw
- Current Rating:
- 600 A
- Number of Wires:
- 2
- Power Rating:
- 200 HP at 240 VAC 3-Phase, 400 HP at 480 VAC 3-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
MSRP $4,263.59Surplus $1,036.06 -
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Square D HU266AWK Heavy Duty Safety Switches
MSRP $10,038.23Surplus $2,439.29SKU: S21-3569 Brand: Square D MPN: HU266AWK UPC: 78590145131 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3569
- Finish:
- Galvannealed
- Power Rating:
- 200 HP at 240 VAC 3-Phase, 400 HP at 480 VAC 3-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
- Approval:
- UL
- Installation/Operator:
- SchneiderElectric-Telemecanique_00478_INST.pdf
- Type:
- Heavy Duty, Single Throw
- Number of Poles:
- 2
- AC Voltage Rating:
- 600 V
- DC Voltage Rating:
- 600 V
- Number of Wires:
- 2
- Size:
- 26.25 Inch Width x 10.13 Inch Depth x 46.25 Inch Height
- CAD Drawings:
- SchneiderElectric_29467_1_CAD.pdf
- Short Description:
- 600 VAC/VDC, 600 A, 400 HP at 480 VAC 3-Phase, 2-Pole, 2-Wire, Galvannealed, Steel, Surface Mount, NEMA 3R/12, Non-Fusible, Single Throw, Heavy Duty, Safety Switch
- Fuse Provision:
- Non-Fusible
- Current Rating:
- 600 A
- Catalog:
- SchneiderElectric-SquareD_32357_3_11_CAT.pdf
- Enclosure Material:
- Steel
- Prop 65 Warning:
- Yes
- Enclosure:
- NEMA 3R/12
- Data Sheet:
- SchneiderElectric-SquareD_47120_1_2_DATA.pdf
- Neutral Type:
- No
MSRP $10,038.23Surplus $2,439.29 -
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Square D HU266DS Heavy Duty Safety Switches
MSRP $22,270.87Surplus $5,411.82SKU: S21-3546 Brand: Square D MPN: HU266DS UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-3546
- Prop 65 Warning:
- Yes
- Enclosure Material:
- 304 Stainless Steel
- Short Description:
- 600 VAC/250/600 VDC, 600 A, 50 HP, 2-Pole, 2-Wire, NEMA 4/4X/5, 304 Stainless Steel, Non-Fusible, Heavy Duty, Non-Fusible Safety Switch
- Number of Poles:
- 2
- Power Rating:
- 50 HP at 250/600 VDC
- Approval:
- UL
- Current Rating:
- 600 A
- Enclosure:
- NEMA 4/4X/5
- Fuse Provision:
- Non-Fusible
- Type:
- Heavy Duty Safety
- DC Voltage Rating:
- 250/600 V
- Neutral Type:
- No
- Size:
- 26.25 Inch W x 10.13 Inch D x 46.25 Inch H
- Data Sheet:
- SchneiderElectric-SquareD_04799_1_2_DATA.pdf
- Catalog:
- SchneiderElectric_00260_3_9_3_10_CAT.pdf
- Series:
- E4
- AC Voltage Rating:
- 600 V
- Number of Wires:
- 2
MSRP $22,270.87Surplus $5,411.82 -
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Square D HU266R Heavy Duty Safety Switches
MSRP $7,954.08Surplus $1,932.84SKU: S21-3536 Brand: Square D MPN: HU266R UPC: 78590125933 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3536
- Catalog:
- SchneiderElectric-SquareD_32357_3_11_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_47121_1-3_DATA.pdf
- CAD Drawings:
- SchneiderElectric_29717_1_CAD.pdf
- Number of Wires:
- 2
- Prop 65 Warning:
- Yes
- Short Description:
- 600 VAC/VDC, 600 A, 400 HP at 480 VAC 3-Phase, 2-Pole, 2-Wire, Galvannealed, Steel, Surface Mount, NEMA 3R, Non-Fusible, Single Throw, Heavy Duty, Safety Switch
- Power Rating:
- 200 HP at 240 VAC 3-Phase, 400 HP at 480 VAC 3-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
- Neutral Type:
- No
- Enclosure Material:
- Steel
- Approval:
- UL
- Type:
- Heavy Duty, Single Throw
- AC Voltage Rating:
- 600 V
- Current Rating:
- 600 A
- Fuse Provision:
- Non-Fusible
- Enclosure:
- NEMA 3R
- Finish:
- Galvannealed
- Installation/Operator:
- SchneiderElectric-Telemecanique_00478_INST.pdf
- Size:
- 27.88 Inch Width x 10.13 Inch Depth x 50.31 Inch Height
- DC Voltage Rating:
- 600 V
- Number of Poles:
- 2
MSRP $7,954.08Surplus $1,932.84 -
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Square D HU366 Safety Switches
MSRP $6,795.61Surplus $2,494.70SKU: S21-2236 Brand: Square D MPN: HU366 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-2236
- Number of Poles:
- 3
- Current Rating:
- 600 A
- Type:
- Heavy Duty, Single Throw
- Approval:
- UL
- DC Voltage Rating:
- 600 V
- CAD Drawings:
- SchneiderElectric_29466_1_CAD.pdf
- Number of Wires:
- 3
- Data Sheet:
- SchneiderElectric-SquareD_47228_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_3_11_CAT.pdf
- Neutral Type:
- No
- Size:
- 27.63 Inch Width x 10.13 Inch Depth x 50.25 Inch Height
- Installation/Operator:
- SchneiderElectric-SquareD_00228_INST.pdf
- Enclosure Material:
- Steel
- Power Rating:
- 200 HP at 240 VAC 3-Phase, 400 HP at 480 VAC 3-Phase, 500 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
- Prop 65 Warning:
- Yes
- Short Description:
- 600 VAC/VDC, 600 A, 500 HP at 600 VAC 3-Phase, 3-Pole, 3-Wire, Steel, Surface Mount, NEMA 1, Non-Fusible, Single Throw, Heavy Duty, Safety Switch
- Fuse Provision:
- Non-Fusible
- Enclosure:
- NEMA 1
- AC Voltage Rating:
- 600 V
MSRP $6,795.61Surplus $2,494.70 -
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Square D HU366AWK Heavy Duty Safety Switches
MSRP $12,457.26Surplus $3,027.11SKU: S21-3573 Brand: Square D MPN: HU366AWK UPC: 78590145551 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3573
- Prop 65 Warning:
- Yes
- Number of Wires:
- 3
- AC Voltage Rating:
- 600 V
- Enclosure:
- NEMA 3R/12
- Size:
- 26.25 Inch Width x 10.13 Inch Depth x 46.25 Inch Height
- Neutral Type:
- No
- Power Rating:
- 200 HP at 240 VAC 3-Phase, 400 HP at 480 VAC 3-Phase, 500 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
- DC Voltage Rating:
- 600 V
- Enclosure Material:
- Steel
- Current Rating:
- 600 A
- Fuse Provision:
- Non-Fusible
- Short Description:
- 600 VAC/VDC, 600 A, 500 HP at 600 VAC 3-Phase, 3-Pole, 3-Wire, Galvannealed, Steel, Surface Mount, NEMA 3R/12, Non-Fusible, Single Throw, Heavy Duty, Safety Switch
- CAD Drawings:
- SchneiderElectric_29479_1_CAD.pdf
- Approval:
- UL
- Data Sheet:
- SchneiderElectric-SquareD_47229_1_2_DATA.pdf
- Type:
- Heavy Duty, Single Throw
- Catalog:
- SchneiderElectric-SquareD_32357_3_11_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00228_INST.pdf
- Number of Poles:
- 3
- Finish:
- Galvannealed
MSRP $12,457.26Surplus $3,027.11 -
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Square D HU366DS Heavy Duty Safety Switches
MSRP $22,566.27Surplus $5,483.60SKU: S21-3547 Brand: Square D MPN: HU366DS UPC: 78590125949 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- S21-3547
- Short Description:
- 600 VAC/VDC, 600 A, 500 HP at 600 VAC 3-Phase, 3-Pole, 3-Wire, 304 Stainless Steel, Surface Mount, NEMA 4/4X/5, Non-Fusible, Single Throw, Heavy Duty, Safety Switch
- Type:
- Heavy Duty, Single Throw
- Current Rating:
- 600 A
- AC Voltage Rating:
- 600 V
- Number of Poles:
- 3
- CAD Drawings:
- SchneiderElectric_29479_1_CAD.pdf
- Approval:
- UL
- Installation/Operator:
- SchneiderElectric-SquareD_00228_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_47230_1_2_DATA.pdf
- Enclosure Material:
- 304 Stainless Steel
- Catalog:
- SchneiderElectric-SquareD_32357_3_11_CAT.pdf
- Enclosure:
- NEMA 4/4X/5
- Size:
- 26.25 Inch Width x 10.13 Inch Depth x 46.25 Inch Height
- Fuse Provision:
- Non-Fusible
- Power Rating:
- 200 HP at 240 VAC 3-Phase, 400 HP at 480 VAC 3-Phase, 500 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
- Number of Wires:
- 3
- DC Voltage Rating:
- 600 V
- Prop 65 Warning:
- Yes
- Neutral Type:
- No
MSRP $22,566.27Surplus $5,483.60 -
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Square D HU466 Heavy Duty Safety Switches
MSRP $8,690.54Surplus $2,111.80SKU: S21-3526 Brand: Square D MPN: HU466 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-3526
- Number of Wires:
- 4
- Approval:
- UL
- Power Rating:
- 200 HP at 240 VAC 3-Phase, 400 HP at 480 VAC 3-Phase, 500 HP at 600 VAC 3-Phase, 50 HP at 250 VDC, 50 HP at 600 VDC
- Size:
- 33.88 Inch Width x 10.13 Inch Depth x 50.25 Inch Height
- Short Description:
- 600 VAC/VDC, 600 A, 500 HP at 600 VAC 3-Phase, 4-Pole, 4-Wire, Steel, Surface Mount, NEMA 1, Non-Fusible, Single Throw, Heavy Duty, Safety Switch
- Installation/Operator:
- SchneiderElectric-SquareD_00228_INST.pdf
- Current Rating:
- 600 A
- Enclosure Material:
- Steel
- Type:
- Heavy Duty, Single Throw
- DC Voltage Rating:
- 600 V
- Enclosure:
- NEMA 1
- Neutral Type:
- No
- Data Sheet:
- SchneiderElectric-SquareD_47255_1_2_DATA.pdf
- CAD Drawings:
- SchneiderElectric_29514_1_CAD.pdf
- Number of Poles:
- 4
- AC Voltage Rating:
- 600 V
- Catalog:
- SchneiderElectric-SquareD_32357_3_11_CAT.pdf
- Fuse Provision:
- Non-Fusible
- Prop 65 Warning:
- Yes
MSRP $8,690.54Surplus $2,111.80
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