No hay artículos en el carro
No hay artículos en el carroV. Cooper
Comentado en los Estados Unidos el 24 de marzo de 2025
I used this magnetic motor starter (model LC1-D09 + overload relay) to run a 240V single-phase, 2 HP motor, and while the components themselves are solid, the lack of documentation made setup unnecessarily frustrating. The only guidance included was a vague schematic inside the enclosure, and the unit came pre-wired for 3-phase — not plug-and-play for single-phase applications.After a lot of trial and error (and a bit of electrical detective work), I got it working properly. So if you’re using this for single-phase 240V, here’s what you need to know to save yourself time:⸻🔧 How to Re-Wire for Single-Phase 240V Operation:1. Motor Wiring:• Use only terminals L1 and L2 for incoming power (from your 240V plug or breaker).• Use T1 and T2 to go to the motor.• If your motor has dual-voltage windings (115/230V), wire it for high voltage (230V) per the diagram on its nameplate.⸻2. Coil Control Wiring (the part that was tricky):The contactor coil will not engage unless you rewire the control circuit, which was pre-configured for a 3-phase setup. Here’s how to rewire it for 240V single-phase:• Wire a jumper from terminal L1 to terminal 13 (NO auxiliary contact input).• The built-in START button bridges terminal 13 to terminal 14 momentarily when pressed.• Terminal 14 must be wired to A1 (coil hot side).• A2 (coil return) should go to terminal 96 (NC contact on overload relay).• Terminal 95 should connect to L2, completing the return leg of the control circuit.When wired this way:• Pressing START energizes the coil via 13→14→A1.• The auxiliary contact closes to latch the circuit.• The overload relay provides proper protection and shuts everything down if needed.⸻✅ After this setup, the START button works as expected, and the contactor stays latched until the STOP breaker is pressed or power is removed.⸻🛠️ What Could Be Improved:• Including a simple printed instruction sheet would have made this a 5-star experience.• As-is, you need to know how to read schematics and have a multimeter handy to reverse-engineer the control logic.⸻If you’re comfortable with wiring and understand motor starters, it’s a great value. But beginners should proceed with caution and confirm everything with a meter before powering up.Hope this saves someone else hours of head-scratching!
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