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Description
KW4-3Z-3 Micro Limit Switch Lever Arm 28mm Long with 3 Terminals 250VAC/125VDC 5A - 10 PackKW4 3Z 3 Micro Limit Switch Key Features Model: KW4 3Z 3 Actuator: 28mm long hinge lever arm Terminals: 3 pin configuration for Normally Open (N O) and Normally Closed (N C) circuits Electrical Rating: 5A at 125VDC 250VAC Function: Snap action switch designed to control the movement of mechanical parts in electrical systems. Replaces Cross Reference Part Numbers KW11 3Z KW11 3Z 3 SS 01 SS 5 V 15 1C25 D2SW 3L2H WS2 WBZ3L2B5 LXW5 11G1 Z 15GW22 B
KW4-3Z-3 Micro Limit Switch
Key Features
- Model: KW4-3Z-3
- Actuator: 28mm long hinge lever arm
- Terminals: 3-pin configuration for Normally Open (N/O) and Normally Closed (N/C) circuits
- Electrical Rating: 5A at 125VDC / 250VAC
- Function: Snap-action switch designed to control the movement of mechanical parts in electrical systems.
Replaces / Cross-Reference Part Numbers
- KW11-3Z
- KW11-3Z-3
- SS-01
- SS-5
- V-15-1C25
- D2SW-3L2H
- WS2-WBZ3L2B5
- LXW5-11G1
- Z-15GW22-B
Compatibility & Fitment
- Designed for use in a wide range of applications including appliances, 3D printers, CNC mills, and other general-purpose electrical automation projects.
- Fitment depends on matching physical dimensions, actuator type (28mm lever), and electrical specifications (5A, 125/250V).
When to Replace
- Switch fails to actuate or operates intermittently.
- The circuit remains open or closed regardless of lever position.
- Visible damage, such as a broken lever or cracked housing.
- Audible click is absent or feels inconsistent during actuation.
Installation Tips
- Disconnect all power to the equipment before beginning installation.
- Identify and connect wires to the appropriate terminals: Common (C), Normally Open (NO), and Normally Closed (NC).
- Ensure the mechanical component correctly engages and releases the lever without excessive force or over-travel.
- Securely mount the switch body to prevent movement during operation.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Squeaky ball
Color: Large Set of 4
Perfect squeaky ball. Dogs love them. I love that they're durable and their thickness aids their durability. My Great Dane will play alone for hours with a ball.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 20, 2025
★★★★★ 5
Fun
Color: Interactive Dog Ball
Fun!
Second purchase. Solid and rugged for 22 lb dog. He loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
★★★★★ 5
Perfect toy for an active dog!
Color: Large size (7.9")
My dog absolutely loves this ball with handles! It’s quickly become one of his favorite toys, and he gets excited every time we bring it out to play.
The vibrant colors are a huge plus—they make it super easy to spot in the grass, which saves a lot of time during outdoor play sessions. The handles are great for interactive play too, especially for tugging and tossing.
I’m really impressed with how well it’s holding up. Even with constant pulling, tugging, and rough use, it’s remained durable and hasn’t shown any signs of wearing out.
Overall, I’m very happy with this purchase—and if my dog could write reviews, it would definitely get his paw stamp of approval! 🐾
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Not for strong chewers!
Color: Large size (7.9")
I have an English Springer Spaniel who is 1.5 yrs. She had this torn apart within the first 5 minutes. This is not for strong chewers!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
★★★★★ 5
Durable and fun
Color: Large size (7.9")
Pup loves this toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
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