Choosing an Electrical Switch
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Harsh Environment Panel-Mount Disconnect Switches



Rated IP69K, these switches withstand high-pressure, high-temperature washdowns. They cut power and keep it isolated to prevent equipment from starting up during inspection and maintenance. All have a lockout so you can secure them in the off position with a padlock (not included).
For technical drawings and 3-D models, click on a part number.
Switching | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Current, A | Voltage | Switch Action | Industry Designation | Electrical Phase (hp) | Dia. | Ht. | Wd. | Dp. Behind Panel | Each | ||
Yellow Stainless Steel Housing with Red Actuator | |||||||||||
2 Circuits with Lockout—For 7/8" Panel Cutout Dia. | |||||||||||
A | 20 | 300V AC | Stays Switched (Maintained) | DPST | Single (3/4 hp @ 120 V AC) Single (2 hp @ 240 V AC) Three (2 hp @ 240 V AC) | 3 15/16" | __ | __ | 2 15/16" | 00000000 | 0000000 |
3 Circuits with Lockout—For 7/8" Panel Cutout Dia. | |||||||||||
B | 40 | 600V AC | Stays Switched (Maintained) | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | __ | 4 5/16" | 4 5/16" | 3 3/8" | 00000000 | 000000 |
B | 60 | 600V AC | Stays Switched (Maintained) | 3PST | Single (3 hp @ 120 V AC) Single (7 1/2 hp @ 240 V AC) Three (15 hp @ 240 V AC) | __ | 4 5/16" | 4 5/16" | 3 3/8" | 00000000 | 000000 |
4 Circuits with Lockout—For 7/8" Panel Cutout Dia. | |||||||||||
A | 20 | 300V AC | Stays Switched (Maintained) | 4PST | Single (3/4 hp @ 120 V AC) Single (2 hp @ 240 V AC) Three (2 hp @ 240 V AC) | 3 15/16" | __ | __ | 3 3/8" | 00000000 | 000000 |
Gray Stainless Steel Housing with Gray Actuator | |||||||||||
2 Circuits with Lockout—For 7/8" Panel Cutout Dia. | |||||||||||
C | 20 | 300V AC | Stays Switched (Maintained) | DPST | Single (3/4 hp @ 120 V AC) Single (2 hp @ 240 V AC) Three (2 hp @ 240 V AC) | __ | 3 1/8" | 2 3/4" | 2 15/16" | 00000000 | 000000 |
3 Circuits with Lockout—For 7/8" Panel Cutout Dia. | |||||||||||
B | 40 | 600V AC | Stays Switched (Maintained) | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | __ | 4 5/16" | 4 5/16" | 3 3/8" | 00000000 | 000000 |
B | 60 | 600V AC | Stays Switched (Maintained) | 3PST | Single (3 hp @ 120 V AC) Single (7 1/2 hp @ 240 V AC) Three (15 hp @ 240 V AC) | __ | 4 5/16" | 4 5/16" | 3 3/8" | 00000000 | 000000 |
4 Circuits with Lockout—For 7/8" Panel Cutout Dia. | |||||||||||
C | 20 | 300V AC | Stays Switched (Maintained) | 4PST | Single (3/4 hp @ 120 V AC) Single (2 hp @ 240 V AC) Three (2 hp @ 240 V AC) | __ | 3 1/8" | 2 3/4" | 3 3/8" | 00000000 | 000000 |
"Main Switch" Label with Adhesive Back—13/16" Ht. × 3 3/16" Wd. | 0000000 | Each | 000000 |
Hinge-Actuated Safety Switches


Replace the hinges on access doors or machine guards with these switches to keep your team safe from active machinery. Also known as interlock switches, they automatically shut off power to your machinery when the door or guard opens. They can be mounted on flat frames or aluminum T-slotted framing. These switches have positive-force, normally-closed contacts that will open a circuit when the switch is actuated, even if a spring fails or the contacts stick. They’re rated IP65 for protection from washdowns.
For technical drawings and 3-D models, click on a part number.
Overall | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
For Rail Ht., mm | Mounting Hole Ctr.-to-Ctr. Wd., mm | Switch Action | No. of Terminals | Industry Designation | Switching Current @ Voltage | Wire Connection Type | Conduit Thread Size | Ht. | Wd. | Dp. | Each | |
2 Circuits Controlled—2 On (Normally Closed) | ||||||||||||
4° Actuation Angle—Aluminum Hinge | ||||||||||||
40 | 44 | Springs Back (Momentary) | 4 | DPST-NC | 2 A @ 230 V AC | Screw Terminals | M20 | 3.62" | 4.39" | 1.42" | 00000000 | 0000000 |
3 Circuits Controlled—1 Off (Normally Open) and 2 On (Normally Closed) | ||||||||||||
4° Actuation Angle—Aluminum Hinge | ||||||||||||
30 | 34 | Springs Back (Momentary) | 6 | 3PST-1NO/2NC | 2 A @ 230 V AC | Screw Terminals | M20 | 5.2" | 4.39" | 1.42" | 00000000 | 000000 |
35 | 39 | Springs Back (Momentary) | 6 | 3PST-1NO/2NC | 2 A @ 230 V AC | Screw Terminals | M20 | 5.2" | 4.39" | 1.42" | 00000000 | 000000 |
40 | 44 | Springs Back (Momentary) | 6 | 3PST-1NO/2NC | 2 A @ 230 V AC | Screw Terminals | M20 | 3.62" | 4.39" | 1.42" | 0000000 | 000000 |
45 | 49 | Springs Back (Momentary) | 6 | 3PST-1NO/2NC | 2 A @ 230 V AC | Screw Terminals | M20 | 5.2" | 4.39" | 1.42" | 00000000 | 000000 |
4° Actuation Angle—Stainless Steel Hinge | ||||||||||||
40 | 44 | Springs Back (Momentary) | 6 | 3PST-1NO/2NC | 2 A @ 230 V AC | Screw Terminals | M20 | 3.62" | 4.39" | 1.42" | 00000000 | 000000 |
8° Actuation Angle—Aluminum Hinge | ||||||||||||
40 | 44 | Springs Back (Momentary) | 6 | 3PST-1NO/2NC | 2 A @ 230 V AC | Screw Terminals | M20 | 3.62" | 4.39" | 1.42" | 00000000 | 000000 |
3 Circuits Controlled—3 On (Normally Closed) | ||||||||||||
4° Actuation Angle—Aluminum Hinge | ||||||||||||
30 | 34 | Springs Back (Momentary) | 6 | 3PST-NC | 2 A @ 230 V AC | Screw Terminals | M20 | 3.62" | 4.39" | 1.42" | 00000000 | 000000 |
40 | 44 | Springs Back (Momentary) | 6 | 3PST-NC | 2 A @ 230 V AC | Screw Terminals | M20 | 3.62" | 4.39" | 1.42" | 00000000 | 000000 |
4° Actuation Angle—Stainless Steel Hinge | ||||||||||||
40 | 44 | Springs Back (Momentary) | 6 | 3PST-NC | 2 A @ 230 V AC | Screw Terminals | M20 | 3.62" | 4.39" | 1.42" | 00000000 | 000000 |