Description
KONE Elevator Pit Emergency Stop Switch KM51668710G10020 Brief Introduction
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Product Name |
KONE Elevator Pit Emergency Stop Switch |
| Model Number | KM51668710G10020 |
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Quality
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Original.Brand New
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Payment
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T/T. Paypal. Western Union
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Delivery
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3-5 Working Days
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Packaging
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Packed by carton
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Nanjing Zhuye Elevator Parts: KONE Pit Emergency Stop Switch KM51668710G10020 – Safety First for Elevator Maintenance
Elevator safety systems rely on critical emergency controls, and the KONE Elevator Pit Emergency Stop Switch KM51668710G10020 is a non-negotiable component for protecting maintenance workers and preventing catastrophic incidents. Installed in the elevator pit—where mechanical inspections and repairs occur—this switch acts as an immediate shutdown mechanism, cutting power to the elevator’s drive and door systems when hazards arise. Nanjing Zhuye Elevator Parts, a globally trusted supplier of premium elevator safety components, proudly offers KONE-compatible KM51668710G10020 switches, engineered to match KONE’s original safety standards (EN 81, ASME A17.1) and dimensional specifications. This article provides a comprehensive guide to the product’s features, proper usage, replacement cycles, and why Nanjing Zhuye Elevator Parts is the top choice for KONE elevator professionals worldwide.
Product Overview: KONE Pit Emergency Stop Switch KM51668710G10020 by Nanjing Zhuye Elevator Parts
The KONE Elevator Pit Emergency Stop Switch KM51668710G10020 is a heavy-duty safety switch designed exclusively for KONE elevators, compatible with KONE’s LCE control system and popular models (including MiniSpace, MonoSpace, EcoSpace, and TranSys series). It features a lockable mushroom-head actuator—once pressed, the switch remains in the “stop” position until manually reset with a tool, preventing accidental reactivation during critical situations. The switch uses a normally closed (NC) contact configuration, integrating seamlessly with KONE’s safety circuit to interrupt power instantly when triggered, ensuring the elevator halts safely.
At Nanjing Zhuye Elevator Parts, safety and durability are paramount. The KM51668710G10020 switch boasts a corrosion-resistant zinc alloy housing (electrophoretic coated to withstand pit humidity), silver-nickel alloy contacts for reliable current interruption (rated 250V AC/10A), and a reinforced mushroom head resistant to impact and tampering. With an IP65 rating for dust and water resistance, it performs reliably in harsh pit environments (operating range: -20°C to 70°C) where moisture, debris, and temperature fluctuations are common. Each unit undergoes rigorous quality control, including contact continuity testing, mechanical endurance trials (100,000+ operations), and sealing validation, complying with ISO 9001, CE, and KONE’s internal safety standards. This commitment ensures the switch functions flawlessly when lives are at stake.
How to Use the KONE Pit Emergency Stop Switch KM51668710G10020
Proper operation, installation, and maintenance are critical to maximizing safety. Follow these professional guidelines for effective use:
Activation & Emergency Usage
- When to Activate: Trigger the switch immediately if:
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- A maintenance worker is at risk of entrapment or injury in the pit.
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- Mechanical failures (e.g., cable fraying, component detachment) are detected.
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- The elevator car overtravels into the pit.
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- Uncontrolled elevator movement is observed during maintenance.
- Activation Method: Press the red mushroom head firmly until it clicks and locks. This action interrupts KONE’s safety circuit, cutting power to all critical systems—the elevator will stop smoothly, and the controller will display an emergency stop fault code (e.g., E24 on KONE LCE panels).
- Reset Procedure: Only reset after resolving the hazard:
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- Confirm the elevator is stationary, power is isolated via LOTO (Lockout/Tagout), and the pit is safe.
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- Use a reset tool or flathead screwdriver to twist the mushroom head clockwise until it pops back.
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- Verify the safety circuit is restored via KONE’s LCE Tools software before resuming operation.
Installation Steps
- Safety Preparation: Shut off the elevator’s main power and implement LOTO. Access the pit via a stable platform, wearing safety glasses, steel-toe boots, and insulating gloves.
- Remove the Old Switch: Locate the existing KM51668710G10020 (mounted 1.5-2m above the pit floor for easy access). Take photos of wiring connections (note terminal labels like L1, L2, NC) to match KONE’s diagram. Disconnect wires gently, then loosen fixing bolts to remove the old switch.
- Prepare the Mounting Area: Clean the surface to remove dust, debris, or moisture. Inspect wiring for fraying or corrosion—replace if damaged. Ensure the mounting surface is flat and stable.
- Install the New Switch: Align the Nanjing Zhuye Elevator Parts KM51668710G10020 with the mounting holes (no obstructions to the mushroom head). Secure with original bolts (torque: 1.5-2.0 N·m) to prevent vibration loosening. Reconnect wires to the correct terminals (use crimp connectors for tight, insulated connections) per KONE’s wiring diagram.
- Test Functionality: Restore safety circuit power (not main power). Press the switch to confirm it triggers a fault code. Reset and verify the fault clears. Conduct a dynamic test: run the elevator in inspection mode, trigger the switch, and ensure instant stopping.
Usage Precautions
- Authorized Use Only: Reserve for emergencies or maintenance lockout—never activate during normal operation.
- No Tampering: Do not disable, bypass, or modify the switch (violates safety regulations and creates hazards).
- Environmental Care: Keep the switch free of debris, water, or oil. Avoid high-pressure water cleaning in the pit to protect IP65 sealing.
- Monthly Checks: Test the switch in inspection mode to confirm instant stopping and fault code registration.
Replacement Cycle of KONE Pit Emergency Stop Switch KM51668710G10020
Replacement timelines depend on environment, usage, and maintenance. Follow these KONE-specific guidelines:
General Timeline
- High-Traffic/Harsh Environments: Shopping malls, airports, or humid/dusty pits (12+ hours daily operation, frequent maintenance) – replace every 4-5 years.
- Medium-Traffic Areas: Residential buildings, hotels, or offices (8-10 hours daily usage) – replace every 5-7 years.
- Low-Traffic Areas: Villas, industrial facilities (4-6 hours daily usage) – replace every 7-9 years, with semi-annual inspections.
Signs of Replacement Need
Replace immediately if:
- Mechanical Failure: Mushroom head fails to lock or reset smoothly (spring/actuator damage).
- Electrical Issues: Switch does not trigger a stop, or safety circuit remains open after reset (test continuity: closed, infinite open).
- Physical Damage: Cracked housing, corroded terminals, or damaged wiring (common with water leaks).
- Sealing Degradation: Dust/moisture inside the housing (compromises IP65 protection).
- Excessive Use: Activated 500+ times (mechanical wear reduces reliability).
Importance of Timely Replacement
A faulty KM51668710G10020 eliminates a critical safety layer, risking severe injury or fatalities from uncontrolled elevator movement. Timely replacement ensures compliance with regulations, avoids fines, and maintains KONE’s safety certification.
Why Choose Nanjing Zhuye Elevator Parts’ KM51668710G10020?
Nanjing Zhuye Elevator Parts stands out as a trusted partner for KONE elevator safety:
- 1:1 KONE Compatibility: Engineered to match KONE’s original design, wiring, and safety circuit integration—no modifications needed.
- KONE-Grade Safety: Industrial-grade materials and precision manufacturing meet KONE’s strict reliability standards.
- Rigorous Quality Assurance: 100% pre-delivery testing (continuity, endurance, sealing) ensures safety compliance.
- Expert Support: Our certified technicians specialize in KONE systems, offering installation/troubleshooting guidance.
- Fast Delivery: Large inventory fulfills emergency orders within 24-48 hours, minimizing downtime.
Whether you’re a maintenance firm, building manager, or safety inspector, the KONE Pit Emergency Stop Switch KM51668710G10020 from Nanjing Zhuye Elevator Parts delivers the safety, reliability, and compliance you need. Invest in a product that prioritizes lives—choose Nanjing Zhuye Elevator Parts for your KONE elevator safety components.
