If your contactor is buzzing, chattering, or the contacts are pitted and burnt, replace it — cleaning won’t fix it. Match the amp rating and coil voltage exactly.
3P40A24V – CONTACTOR (3 POLE, 40 RLA, 24V COIL)
$39.43
Three-pole 40A contactor with 24V coil (C340A/DP40243). For 3-phase commercial AC and refrigeration. Silver cadmium oxide contacts by Supco.
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm | In-Store Pickup Only
Description
If your AC clicks but doesn’t start, or the outdoor unit won’t turn on at all, the contactor is the first thing to check. This 3-pole 40A contactor with a 24V coil is used in 3-phase commercial HVAC systems. Silver cadmium oxide contacts for long life and reliable switching.
Specs: 3 pole, 40 amp, 24V coil, silver cadmium oxide contacts, compact design, Supco brand
Replaces: DP40243, C340A, 3P40A24V, CTR01149, CTR01826, CTR02575, CTR1149, CTR1826, CTR2575, TSC090E3E0A09000000000000
Fits: Commercial HVAC and refrigeration systems requiring a 3-pole 40A contactor with 24V coil
Need help? See our AC Clicking But Not Starting Guide.
In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.
