Square D Type S NEMA Size 3 Non-Reversing Motor Starter, Open Type, 3-Pole

Square D Type S NEMA Nonreversing Motor Starter, 3-Pole

The Square D Type S NEMA Nonreversing Motor Starter, 3-Pole delivers full voltage starting and stopping for AC squirrel cage motors in industrial and commercial installations. This NEMA Size 3 starter carries a 90 ampere line rated current, supporting 50HP at 460VAC performance with up to 100kA SCCR (short-circuit current rating) for demanding motor control duty. Backed by UL Listed, CSA, and NEMA certification and a solid state Motor Logic thermal overload, it's engineered for dependable, code-compliant motor control across industrial and commercial market segments.

Key Features

• NEMA Size 3 Rating: 90 ampere line rated current supports motors up to 50HP at 460VAC (also rated 25HP at 200VAC, 30HP at 230VAC, and 50HP at 575VAC) for flexible motor sizing.
• Short-Circuit Current Rating: Up to 100kA SCCR when properly coordinated, for enhanced protection in demanding industrial power systems.
• 3-Pole Nonreversing Design: Type S full voltage starter construction for AC squirrel cage motors, with the Type S line offering starters rated up to 810 amperes.
• Solid State Thermal Overload: Motor Logic class 10/20 solid state overload relay for accurate, reliable motor protection.
• Control Circuit Voltage: 110V AC 50 Hz / 120V AC 60 Hz control circuit compatibility for standard control wiring.
• Rated Operational Voltage: 600V AC (Ue) for broad system compatibility.
• Open Device Configuration: Without pilot light, suited for panel-mounted industrial and commercial installations.

Certifications & Compliance

• UL Listed
• CSA
• NEMA
• TAA Compliant

Technical Specifications

• Warranty: 18 months
• Warranty Period: 18 months
• Poles Description: 3P
• Nema Size: 3
• Range Of Product: S
• Compliance: TAA
• Nema Degree Of Protection: not rated (open device)
• Mercury Free: Yes
• Country of Origin: Mexico

Typical Applications

• Industrial Motor Control Panels
• Commercial Equipment Starting Circuits
• AC Squirrel Cage Motor Control
• OEM and Panel Builder Control Panel Construction
• Panelboard and Motor Control Center Integration

Why Square D?

Square D by Schneider Electric engineers the Type S motor starter line for reliable, code-compliant motor control, pairing solid state Motor Logic thermal overload protection with UL Listed, CSA, and NEMA certified construction. Built for demanding industrial and commercial duty cycles, this NEMA Size 3 nonreversing starter is designed for long mechanical life and dependable electrical endurance in professional motor control applications.