How much current does the 24V AC coil draw?

The coil definitely does NOT draw 24mA. That would mean a coil resistance of 1K ohms. The measured resistance of the coil (sample of one) is 13.7 ohms. The current at 24 volts would be about 1.75A. This is likely the greatest load on the controller circuit, and explains the 3A fuse.

Will this replace cr453ce3hblay contactor?

It was a correct fit for my 26 year old AC unit. Has worked well for the past two years since I installed it.

Does this replace DP24024F?

Just from the part number you gave: DP is Double Pole, 240 is 240 volt rated for the main contacts, 24 is 24volts control voltage, F: I don't know what that means to whatever company sells that. But this will switch any heavy load up to 40 amps, up to 240volts. Normally for air conditioning compressors, but you could use it to switch much smaller loads as long as you've got 24volts to switch it with.

I need to replace: ac relay 1 hp 115/230 volts ac i ph - 25 amp type pr5ay - 25v 50/60c potter brumfield. this works?

Yes. Just as long as you wire everything you needed. Problem is it's a 40 amps relay and you wants to protect a 25 amps circuit. Better to look for a 25 amps relay contact switch.

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Migro 2 Pole 40 AMP Heavy Duty 24VAC Contactor Replaces Virtually All Residential 2 Pole Models (2- Year Warranty-High Quality Silver Alloy Content Contactors)

Migro 2 Pole 40 AMP Heavy Duty 24VAC Contactor Replaces Virtually All Residential 2 Pole Models (2- Year Warranty-High Quality Silver Alloy Content Contactors)

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Product ID: 141837418

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⚡40 AMP heavy-duty power

🔄2-year hassle-free replacement

🔧Universal fit for top HVAC brands

Description

⚡ Upgrade your HVAC game with the Migro 2 Pole 40 AMP Contactor — power meets precision!

BUILT TO LAST - High-quality silver alloy contacts ensure durability and efficiency
PEACE OF MIND WARRANTY - 2-year replacement policy keeps your system running worry-free
PLUG PLAY CONVENIENCE - Heavy lug terminals and push-ons for quick, secure installation
UNIVERSAL COMPATIBILITY - Seamlessly replaces most 2-pole contactors from leading brands
POWER PACKED PERFORMANCE - Handles up to 40 amps for reliable HVAC control

The Migro 2 Pole 40 AMP Heavy Duty 24VAC Contactor is a robust HVAC control component designed to replace most residential 2-pole contactors rated between 20 and 40 amps. Featuring high-quality silver alloy contacts, an encapsulated 24V coil, and heavy lug terminals for secure connections, it supports a wide range of top HVAC brands. Backed by a 2-year replacement warranty, it ensures reliable, long-lasting performance for air conditioners, heat pumps, and refrigeration systems.

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Manufacturer	Migro
Item Weight	10.2 ounces
Package Dimensions	3.43 x 3.11 x 2.17 inches
Material	2- Year Warranty-High Quality Silver Alloy Content Contactors
Voltage	24 Volts
Batteries Included?	No
Batteries Required?	No

Migro 2 Pole 40 AMP Heavy Duty 24VAC Contactor Replaces Virtually All Residential 2 Pole Models (2- Year Warranty-High Quality Silver Alloy Content Contactors)

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