Square D 8911DPSG42V09 7.5 HP 230V 1-Phase 40A Definite Purpose Motor Starter
Square D 8911DPSG42V09 7.5 HP 230V 1-Phase 40A Definite Purpose Motor Starter
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Product Description
Square D / Schneider Electric 8911DPSG42V09 Definite Purpose Magnetic Motor Starter
Designed for single-phase motor loads including air compressors, pumps and other definite-purpose applications. This enclosed Class 8911 DPS starter combines a 40A, 2-pole contactor with a melting-alloy overload block and a 208–240V AC control coil.
Specifications
| Manufacturer | Square D / Schneider Electric |
|---|---|
| Part Number | 8911DPSG42V09 |
| Starter Type | Definite-purpose, non-reversing |
| Phase | Single phase |
| Contactor Rating | 40A |
| Poles | 2 |
| Motor Rating | 7.5 HP at 230V AC single phase; 3 HP at 115V AC single phase |
| Coil / Control Voltage | 208–240V AC, 60 Hz (220V AC, 50 Hz) |
| Enclosure | NEMA Type 1 |
| Overload Type | Melting-alloy thermal overload; one thermal unit required and sold separately |
| Maximum System Voltage | 600V AC |
| GTIN / UPC | 785901724766 |
Compressor Applications
Schneider Electric specifically lists air compressors as an intended application for the 8911 DPS family. The 8911DPSG42V09 is used as an air-compressor motor-starter replacement, including 7.5 HP, 230V single-phase compressor applications. Verify motor voltage, phase and nameplate FLA before ordering.
OEM / Compressor Cross-Reference Numbers
Ingersoll Rand 56272297 — OEM starter number for 7.5 HP, 230V, single-phase reciprocating compressor applications including the 2475 family. Ingersoll Rand later superseded 56272297 with 32332710. The 8911DPSG42V09 is sold as a Square D replacement configuration for this application. Verify motor nameplate FLA and heater selection before installation.
Overload Heater Selection
This 40A DPSG starter uses Square D B-series thermal units. Heater selection must be based on the motor's actual nameplate full-load current (FLA), not horsepower alone.
Recommended Heater Inserts
B-56 — 36.2–39.1A
B-50 — 33.6–36.0A
