Square D 40A Single-Phase Definite Purpose Magnetic Motor Starter — 7.5 HP, NEMA 1
The Square D 8911DPSG42 is a 40-amp, single-phase definite purpose magnetic motor starter for across-the-line (full-voltage) starting and overload protection of single-phase air compressor and motor loads. The Class 8911 Type DP contactor is housed in a painted-steel NEMA 1 enclosure for indoor, general-purpose installation.
Key specifications
- Brand: Square D (Schneider Electric) — Class 8911, Type DP
- Contactor rating: 40 A continuous
- Phase / poles: Single-phase, 2-pole, nonreversing
- Horsepower: 7.5 HP at 208–230V
- Coil voltage: 208–230V or 110–120V (select below)
- Enclosure: NEMA 1 painted sheet steel, indoor use
- Overload protection: melting-alloy relay; Type B thermal heaters sold separately
- Mechanical life: 500,000 operating cycles
Typical applications
Ideal for single-phase air compressors, pumps, fans, and HVAC equipment that need full-voltage motor control with manual-reset overload protection.
The Square D 40A single-phase definite purpose magnetic motor starter delivers dependable NEMA 1 motor control with a choice of 208–230V or 110–120V coil. Order the matching Type B thermal overload heaters separately to complete the overload protection.
NOTE: Actual product may be different from pictured!
Financing Options
Financing Options
We offer Financing Through Many Different Avenues:
- Affirm is great for smaller purchases. You can do this during checkout.
- Clicklease is a great option for Instant decisions up to 25k. NO Hard credit pull. No Time in Business Required. More information can be found out about it here: https://www.clicklease.com/partner/warthog-air-compressor-store
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
AirCompressorStore.com offers a complete selection of air compressors, parts and accessories designed to keep your equipment running reliably and efficiently. Whether you’re servicing a small shop compressor, maintaining an industrial air system, or replacing a worn component in a production environment, our parts are sourced from trusted manufacturers and built to meet the demands of real-world compressed air applications.