Square D 8911DPSG52V09 Definite Purpose Contactor 2P 50A

Product Description

The SQUARE D 8911DPSG52V09 is a 2-pole definite purpose contactor rated for 50 amps of inductive load, designed for single-phase motor and load switching applications in commercial and light industrial settings. The coil operates at 208 to 240 volts AC at 60 Hz and 220 volts AC at 50 Hz, making it suitable for both North American and international supply voltages. It ships in an enclosed NEMA 1 enclosure, which is appropriate for indoor installations where the unit is protected from casual contact and falling debris. Licensed electricians and HVAC technicians install this contactor as a primary switching device in motor control, HVAC equipment, and other definite purpose load applications.

This contactor is built for definite purpose applications including air conditioning condensing units, refrigeration compressors, and similar single-phase motor-driven equipment. The 1-phase horsepower rating is 10 HP at 230 volts AC and 3 HP at 115 volts AC, covering a wide range of common commercial and residential equipment loads. Its enclosed NEMA 1 housing suits indoor electrical panels and equipment enclosures where environmental exposure is minimal and a clean, protected environment is maintained throughout service life.

Key Features

• 2-pole configuration for single-phase load switching
• 50 amp inductive load rating for motor and compressor circuits
• Dual-frequency coil: 208-240 volts AC at 60 Hz and 220 volts AC at 50 Hz
• Horsepower rated: 10 HP at 230 volts AC, 3 HP at 115 volts AC
• Enclosed NEMA 1 enclosure for indoor installations
• Meets NEMA 1 standards for enclosure protection

Compatibility

Designed as an OEM-style definite purpose contactor replacement for single-phase motor control applications in HVAC, refrigeration, and commercial equipment requiring a 2-pole, 50 amp contactor with a 208-240 volt AC coil.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and any applicable local codes. Always de-energize and lock out the circuit before removing or installing the contactor. Verify that the load amperage, voltage, and horsepower ratings of the replacement contactor match or exceed the original equipment requirements before energizing. Ensure all line and load terminals are properly torqued and that the enclosure is fully secured before returning the circuit to service.