Definite Purpose Contactor, 3 Pole, 40 Amps, 24 Coil Voltage, C340A

⚡ Definite Purpose Contactor | 40 Amps | 24V Coil | 3‑Pole | Model C340A

Ensure reliable electrical switching performance with this brand‑new C340A definite purpose contactor, engineered for HVAC systems, compressors, heat pumps, refrigeration units, and other electrical equipment requiring dependable load control. Designed to meet U.L. Bulletin No. 508 “Industrial Control Equipment” standards, this contactor is rated for use in applications up to 600 VAC.

Features & Specifications:

• 40 Full‑Load Inductive Amps
• 50 Resistive Amps
• 24V coil voltage
• 3‑Pole configuration
• 50/60 Hertz operation
• AC3 / P6S / P7S auxiliary switch
• Box lug connection type
• Versatile foot‑mount design
• Includes lugs, spade terminals, and protective covers
• Coils feature Class B insulation
• Meets or exceeds UL 508 requirements for industrial control equipment
• Brand New – Unused

Replaces Part Numbers:

453AD3HBB, GDP4030, 17435, 91431, CR453AD3HBB,
DP3040A5003, HCCY3XQ04CJ303, SE3707M, C25DNF340T, 42CF35AJBCE
OEM‑style cross‑reference for broad compatibility.

Compatible Applications:

Suitable for HVAC units, heat pumps, air compressors, refrigeration systems, and general electrical load‑control applications.
Match by electrical rating and coil voltage for best compatibility.

Common Fixes:

• AC or heat pump not turning on
• Intermittent system operation or clicking noises
• Burned, pitted, or welded contact points
• Weak, buzzing, or failed contactor coil
• Compressor or fan motor not receiving power

️ Installation Tips:

• Disconnect all power before servicing electrical equipment
• Verify coil voltage (24V) matches system requirements
• Label wires before removal to ensure proper reconnection
• Mount securely using the foot‑mount base to reduce vibration
• Ensure all lugs and spade terminals are fully tightened
• Test system operation after installation to confirm proper switching

Reliable switching. Durable performance. The correct OEM‑style replacement for HVAC, refrigeration, and electrical control systems requiring a 40A, 24V, 3‑pole contactor.