TLDR Review: "MUZHI KW3 Micro Limit Switch"
Pros
- •Offers good value for the money, especially when bought in a 1ack for future repairs.
- •Effectively replaces faulty microwave door switches, helping to extend the lifespan of appliances.
- •Can be configured as Normally Closed (N.C.) or Normally Open (N.O.), providing versatility for different microwave models.
- •Fits precisely in some models like Kenmore microwaves without requiring any adjustments.
- •Easy to install and performs reliably initially, meeting performance expectations.
- •Comes with multiple spare switches, adding convenience for users who expect to do multiple repairs.
- •Comparable quality and functionality to some OEM safety switches at a faster availability.
Cons
- •Durability issues reported, with switches failing anywhere between 24 hours to 13 weeks under normal use.
- •Internal contact materials appear inferior to genuine OEM switches, contributing to early failure.
- •Some switches have melted or failed under load, raising safety and fire hazard concerns.
- •The rated amperage (16A@250VAC) appears misleading, as actual performance struggles with continuous use.
- •Longevity is significantly less than original brand switches, which can last a decade or more.
- •Durability may be inadequate even for lighse applications like space heaters.
- •First switch failure reported as early as 7 weeks, indicating inconsistent quality.
- •Due to safety concerns, relying on these switches might be risky compared to investing in reputable OEM parts.
Bottom Line
This 12-pack of MUZHI KW3 micro limit switches offers an economical and versatile solution for microwave door switch replacements, especially if you want spares ready to go. However, there are notable concerns about their durability and safety, with several reports of failures and even melting under load. If you want a quick, affordable fix and don’t mind replacing switches more frequently, this pack works fine. But if longevity and safety are top priorities, especially for continuous use, we recommend considering higher-quality OEM switches or trusted brand alternatives to avoid potential hazards and frequent replacements.
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