Choosing an Electrical Switch
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Hazardous Location Limit Switches
Use these switches where ignitable gas and dust may be present. They meet NEC Class I, Division 1, Groups B, C, and D; and Class II, Division 1, Groups E, F, and G for hazardous locations. When an object in motion touches the actuator, it sends a signal to open or close a circuit. They’re often used on conveyor systems and elevators.
Switches with a plunger allow you to adjust its height, making it easier to align switch with the target during installation.
For technical drawings and 3-D models, click on a part number.
Housing | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Max. Voltage | Operating Temp. Range, °F | Actuator Ht. | Wire Connection Type | No. of Terminals | Lg. | Ht. | Dp. | Housing Material | Conduit Trade Size  | Each | |
Plunger Actuator Style | ||||||||||||||||
| 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 600 V AC, 2.5 A @ 600 V DC | 600V AC 600V DC | 0° to 185° | 2.7"-2.9" | Screw Terminals | 4 | 2.7" | 4.1" | 2.1" | Aluminum | 1/2 | 0000000 | 0000000 |
Wobble Stick Actuator Style | ||||||||||||||||
| 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 600 V AC, 2.5 A @ 600 V DC | 600V AC 600V DC | 0° to 185° | 6.2" | Screw Terminals | 4 | 2.7" | 4.1" | 2.1" | Aluminum | 1/2 | 0000000 | 000000 |
Durable Disconnect Switches
Protected by a steel enclosure, these switches withstand tougher conditions than switches in a plastic housing. Also known as safety switches, they have quick-make/quick-break action to eliminate arcing and prolong switch life. They have a lockout to secure in the off position using a padlock (not included).
Use switches with a fuse holder where overload protection is needed. When used with UL Class RK1, RK5, or T fuses, they require rejection-style fuse clips. Note: Horsepower ratings are based on time-delay fuses installed.
Switches with safety interlock keep the door closed when the switch is on, and prevent the switch from turning on when the door is open.
For technical drawings and 3-D models, click on a part number.
Switches | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Switching | Rejection-Style Fuse Clips for RK1 and RK5 Fuse Class | |||||||||||||
| Current, A | Voltage | Switch Action | Industry Designation | Electrical Phase (hp) | For No. of Wires | For Fuse Class | Ht. | Wd. | Environmental Rating | Specifications Met | Each | Each | ||
Enamel-Coated Steel with Black Actuator | ||||||||||||||
3 Circuits with Lockout, Safety Interlock | ||||||||||||||
| 30 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PDT | Single (10 hp @ 600 V AC) Single (5 hp @ 240 V AC) Single (7 1/2 hp @ 480 V AC) | 3 | __ | 29 15/16" | 12" | NEMA 1 | UL Listed | 000000 | 0000000 | 000000 | 00 |
| 60 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PDT | Single (10 hp @ 240 V AC) Single (25 hp @ 480 V AC) Single (30 hp @ 600 V AC) | 3 | __ | 29 15/16" | 12" | NEMA 1 | UL Listed | 000000 | 00000000 | 000000 | 00 |
| 100 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PDT | Single (20 hp @ 240 V AC) Single (40 hp @ 480 V AC) Single (40 hp @ 600 V AC) | 3 | __ | 29 15/16" | 12" | NEMA 1 | UL Listed | 000000 | 00000000 | 000000 | 00 |
3 Circuits with Lockout, Safety Interlock, Fuse Holder | ||||||||||||||
| 30 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PDT | Single (3 hp @ 240 V AC) Three (5 hp @ 480 V AC) Three (7 1/2 hp @ 600 V) | 3 | RK1, RK5, J, K5, H | 38 7/16" | 12" | NEMA 1 | UL Listed | 000000 | 00000000 | 000000 | 00 |
| 60 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PDT | Single (5 hp @ 480 V AC) Three (15 hp @ 480 V AC) Three (15 hp @ 600 V AC) | 3 | RK1, RK5, J, K5, H | 38 7/16" | 12" | NEMA 1 | UL Listed | 000000 | 00000000 | 000000 | 00 |
| 100 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PDT | Single (10 hp @ 480 V AC) Three (25 hp @ 480 V AC) Three (30 hp @ 600 V AC) | 3 | RK1, RK5, J, K5, H | 38 7/16" | 12" | NEMA 1 | UL Listed | 000000 | 00000000 | 000000 | 00 |
Enamel-Coated Steel with Black/Red Actuator | ||||||||||||||
3 Circuits with Lockout, Safety Interlock | ||||||||||||||
| 30 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Single (10 hp @ 600 V AC) Three (30 hp @ 600 V AC) | 3 | __ | 14 5/8" | 7 9/16" | NEMA 1 | UL Listed, Fed. Spec. WS-865C | 0000000 | 000000 | 000000 | 00 |
| 60 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Single (30 hp @ 600 V AC) Three (60 hp @ 600 V AC) | 3 | __ | 17 1/2" | 10 1/2" | NEMA 1 | UL Listed, Fed. Spec. WS-865C | 0000000 | 000000 | 000000 | 00 |
3 Circuits with Lockout, Safety Interlock, Fuse Holder | ||||||||||||||
| 30 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (20 hp @ 600 V AC) | 3 | RK1, RK5, J, K5, H | 14 5/8" | 7 9/16" | NEMA 1 | UL Listed, Fed. Spec. WS-865C | 0000000 | 000000 | 00000000 | 000000 |
| 30 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (20 hp @ 600 V AC) | 4 | RK1, RK5, J, K5, H | 14 5/8" | 7 9/16" | NEMA 1 | UL Listed, Fed. Spec. WS-865C | 0000000 | 000000 | 00000000 | 00000 |
| 60 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (50 hp @ 600 V AC) | 3 | RK1, RK5, J, K5, H | 17 1/2" | 10 1/2" | NEMA 1 | UL Listed, Fed. Spec. WS-865C | 0000000 | 000000 | 00000000 | 00000 |
| 60 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (50 hp @ 600 V AC) | 4 | RK1, RK5, J, K5, H | 17 1/2" | 10 1/2" | NEMA 1 | UL Listed, Fed. Spec. WS-865C | 0000000 | 000000 | 00000000 | 00000 |
| 100 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (75 hp @ 600 V AC) | 4 | RK1, RK5, J, K5, H | 21 1/4" | 10 1/4" | NEMA 1 | UL Listed, Fed. Spec. WS-865C | 0000000 | 000000 | 00000000 | 00000 |
| 200 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (150 hp @ 600 V AC) | 4 | RK1, RK5, J, K5, H | 29" | 18 1/2" | NEMA 1 | UL Listed, Fed. Spec. WS-865C | 0000000 | 000000 | 00000000 | 00000 |
Outdoor Durable Disconnect Switches
A raintight NEMA 3R rated enclosure protects these switches from falling liquids and light splashing. The enclosure is steel, so it withstands tougher conditions than plastic enclosures. All have quick-make/quick-break action to eliminate arcing and prolong switch life. They have a lockout to secure in the off position using a padlock (not included).
Use switches with a fuse holder where overload protection is needed. When used with UL Class RK1, RK5, or T fuses, they require rejection-style fuse clips. Note: Horsepower ratings are based on time-delay fuses installed.
Switches with safety interlock keep the door closed when the switch is on, and prevent the switch from turning on when the door is open.
For technical drawings and 3-D models, click on a part number.
Switches | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Switching | Rejection-Style Fuse Clips for RK1 and RK5 Fuse Class | |||||||||||
| Current, A | Voltage | Switch Action | Industry Designation | Electrical Phase (hp) | For No. of Wires | For Fuse Class | Ht. | Wd. | Each | Each | ||
Gray Enamel-Coated Steel with Black/Red Actuator | ||||||||||||
3 Circuits with Lockout, Safety Interlock | ||||||||||||
| 30 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Single (10 hp @ 240 V AC) Three (30 hp @ 600 V AC) | 3 | __ | 14 7/8" | 7 11/16" | 0000000 | 0000000 | 000000 | 00 |
| 60 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Single (30 hp @ 240 V AC) Three (60 hp @ 600 V AC) | 3 | __ | 17 1/2" | 10 1/2" | 0000000 | 000000 | 000000 | 00 |
3 Circuits with Lockout, Safety Interlock, Fuse Holder | ||||||||||||
| 30 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (20 hp @ 600 V AC) | 3 | RK1, RK5, J, H | 14 7/8" | 7 11/16" | 0000000 | 000000 | 00000000 | 000000 |
| 30 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (20 hp @ 600 V AC) | 4 | RK1, RK5, J, H | 14 7/8" | 7 11/16" | 0000000 | 000000 | 00000000 | 00000 |
| 60 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (50 hp @ 600 V AC) | 3 | RK1, RK5, J, H | 17 1/2" | 10 1/2" | 0000000 | 000000 | 00000000 | 00000 |
| 60 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (50 hp @ 600 V AC) | 4 | RK1, RK5, J, H | 17 1/2" | 10 1/2" | 0000000 | 000000 | 00000000 | 00000 |
| 100 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (75 hp @ 600 V AC) | 4 | RK1, RK5, J, H | 21 1/4" | 10 1/4" | 0000000 | 000000 | 00000000 | 00000 |
| 200 | 600V AC/ 600V DC | Stays Switched (Maintained) | 3PST | Three (150 hp @ 600 V AC) | 4 | RK1, RK5, J, H | 29 1/4" | 18 5/8" | 0000000 | 00000000 | 00000000 | 00000 |