Product Description
MS303-DS 30A 3P Motor Switch by Leviton is an industrial-grade toggle switch designed for safe and reliable control of motor loads. Suitable as a motor disconnect, this switch is ideal for applications such as conveyor systems, HVAC systems, and heavy manufacturing equipment.
Key Features:
- 30A, 600V 3-Pole toggle switch for three-phase motor loads.
- Non-grounding design with back and side wiring options for flexibility.
- Durable thermoplastic polyester construction for enhanced durability.
- Silver-alloy contacts provide reliable conductivity.
- Rated for 10,000 RMS symmetrical amps at 600V AC with 30A time-delay fuse protection.
- Suitable for manual ON/OFF control of industrial motor systems.
Specifications:
- Amperage: 30A
- Voltage: 600V AC
- Horsepower Ratings: 3 HP @ 120V, 7.5 HP @ 240V, 15 HP @ 480V, 20 HP @ 600V
- Material: Thermoplastic polyester with nickel-plated brass terminals
- Termination: Back and side wiring
- Compliance: UL 60947-4-1, cUL per CSA C22.2 No. 111, ANSI C-73, NEMA WD-1 & WD-6
- Operating Temperature: Rated for industrial environments
- Warranty: 10-Year Limited Warranty
Installation Tips:
- Ensure compatibility with your motor load and three-phase system.
- Follow the wiring diagram provided in the spec sheet for proper setup.
- Torque terminal screws to 20 inch-pounds for secure connections.
- Consult a qualified electrician if unsure about installation requirements.
Frequently Asked Questions:
Q: What applications is this switch suitable for?
A: It is ideal for conveyor systems, pumping machines, HVAC systems, air compressors, and other heavy manufacturing equipment.
Q: What type of wiring is supported?
A: The switch supports back and side wiring with #10 to #8 AWG wires.
Q: What is the short circuit current rating for this switch?
A: It is rated for 10,000 RMS symmetrical amps at 600V AC with 30A time-delay fuse protection.
Q: Is this switch suitable for grounding?
A: No, this is a non-grounding device.
Q: What certifications does this product meet?
A: It complies with UL 60947-4-1, CSA C22.2 No. 111, ANSI C-73, and NEMA WD-1 & WD-6 standards.
