4 Pole Contactor 40 Amp 120 VAC Coil

Key Features

• Coil Voltage: 110/120 VAC, 50/60 Hz
• Load Rating: 40 Amp Full Load (Inductive), 50 Amp (Resistive)
• Poles: 4-Pole, Normally Open (N.O.)
• Maximum Voltage: 600 VAC
• Terminals: Quick connect for load and coil
• Enclosure: Open-type with universal mounting base
• Certifications: UL Listed

Replaces / Cross-Reference Part Numbers

• Directly replaces contactors with equivalent specifications.
• Example cross-reference: Square D 8910DPA44V02

Compatibility & Fitment

• Designed for definite purpose applications including HVAC, air conditioning, refrigeration, heating, and lighting systems.
• Suitable for single-phase motor loads up to 3 HP at 115 VAC.
• Interchangeable with contactors from various manufacturers that match the electrical specifications.

When to Replace

• Audible chattering, humming, or buzzing from the contactor during operation.
• Visible signs of heat damage, melting, or arcing on the housing or terminals.
• Contacts are visibly pitted, burned, or welded together.
• Connected equipment (e.g., compressor, fan motor) fails to start or shut off.

Installation Tips

• Disconnect all power to the equipment before installation.
• Verify the control circuit voltage matches the 110/120 VAC coil rating.
• Ensure all wire connections are clean and securely fastened to the terminals.
• Mount the contactor on a stable, flat surface within the equipment enclosure.
• Confirm the amperage and voltage ratings meet or exceed the requirements of the original part.