Description
Elevator door switch HKB-D Brief Introduction
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Product Name |
Elevator door switch |
| Model Number | HKB-D |
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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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Elevator Door Switch HKB-D – Nanjing Zhuye Elevatorparts
The elevator car top emergency power supply is a critical safety component that ensures the elevator’s emergency systems (such as lighting, communication, and door opening) operate normally when the main power supply fails. The Elevator Car Top Emergency Power Supply DJW12-4.5/7.0 provided byNanjing Zhuye Elevatorparts is a high-reliability power supply device tailored for mainstream elevator systems. It supports two capacity specifications (4.5Ah and 7.0Ah) to meet the needs of different elevator models, widely compatible with brands such as Schindler, OTIS, and KONE. Crafted with high-performance lithium-ion batteries, intelligent charging management modules, and flame-retardant casings, this emergency power supply meets international elevator safety standards (EN 81-20, GB 7588) and has become a trusted choice for global elevator maintenance teams and manufacturers.
The elevator leveling system is a key component that ensures the elevator car aligns accurately with the floor, providing safe and comfortable access for passengers. The elevator leveling sensor serves as the “eye” of this system, detecting the car’s position in real time. The Elevator Leveling Sensor TNC-121 provided by Nanjing Zhuye Elevatorparts is a high-precision position-sensing component tailored for mainstream elevator systems. It is widely compatible with elevator brands such as Schindler, OTIS, and KONE, suitable for both passenger and freight elevators. This sensor adopts advanced photoelectric sensing technology, featuring high detection accuracy, fast response speed, and strong anti-interference ability, ensuring the elevator stops stably and accurately at each floor. Crafted with high-quality optical components, sealed metal shells, and precision electronic circuits, it meets international elevator safety standards (EN 81-20, GB 7588) and has become a trusted choice for global elevator maintenance teams and manufacturers.
The elevator lock is a core safety component that ensures the elevator car door and landing door remain locked during operation, preventing accidental opening and ensuring passenger safety. The Elevator Lock CV50 180 JK406-001 provided by Nanjing Zhuye Elevatorparts is a high-reliability safety lock tailored for mainstream elevator systems. It is widely compatible with elevator brands such as Schindler, OTIS, and KONE, suitable for both passenger and freight elevators. This elevator lock integrates precise mechanical structure and stable electrical control, achieving reliable locking when the elevator is running and smooth unlocking when it reaches the floor. Crafted with high-strength alloy steel, flame-retardant plastic, and precision electronic components, it meets international elevator safety standards (EN 81-20, GB 7588) and has become a trusted choice for global elevator maintenance teams and manufacturers.
The elevator’s electrical control system is prone to arc generation during switch-on and switch-off of contacts, which may cause damage to electrical components or even fire hazards. The elevator arc extinguisher serves as a “safety barrier” to suppress and eliminate arcs. The Elevator Arc Extinguisher HD1.211 provided by Nanjing Zhuye Elevatorparts is a high-performance arc suppression component tailored for elevator electrical systems. It is widely compatible with mainstream elevator brands such as Schindler, OTIS, and KONE, suitable for arc suppression of elevator contactors, relays, and other electrical contacts. Crafted with high-quality arc-extinguishing materials, flame-retardant shells, and precision structural design, this arc extinguisher meets international electrical safety standards (IEC 60947, GB/T 14048) and has become a trusted choice for global elevator maintenance teams and manufacturers.
The elevator door operator is the “power core” of elevator door opening and closing, and the door operator belt serves as a critical transmission component that connects the motor and door pulley system. The Elevator Door Operator Belt L075 provided by Nanjing Zhuye Elevatorparts is a high-performance transmission belt tailored for mainstream elevator door operator systems. It is widely compatible with elevator brands such as Schindler, OTIS, and KONE, playing a vital role in ensuring smooth, quiet, and stable operation of elevator doors. Crafted with high-strength polyurethane (PU) material and embedded with high-tensile polyester cords, this belt features excellent wear resistance, tensile strength, and flexibility, meeting international elevator safety standards (EN 81-20, GB 7588) and becoming a trusted choice for global elevator maintenance teams and manufacturers.
The elevator door switch is a core safety component that controls the on-off of the elevator door system, directly related to passenger safety and the stable operation of the door mechanism. The Elevator Door Switch HKB-D launched by Nanjing Zhuye Elevatorparts is a high-reliability control device tailored for mainstream elevator door systems. It is widely compatible with renowned elevator brands such as Schindler, OTIS, and KONE, accurately controlling the opening and closing of elevator doors and cutting off the door drive circuit in case of abnormalities to avoid clamping accidents. Crafted with high-precision contact mechanisms, flame-retardant engineering plastics, and anti-interference designs, this door switch meets international elevator safety standards (EN 81-20, IEC 60947-5-1) and has become a trusted choice for global elevator maintenance teams and manufacturers.
Nanjing Zhuye Elevatorparts has always adhered to the concept of “quality first, safety-oriented,” implementing strict quality control throughout the production process of the HKB-D elevator door switch. Each unit undergoes rigorous testing, including contact on-off performance verification, mechanical durability testing, flame-retardant rating assessment, and anti-corrosion performance trials. The switch adopts a snap-action contact design with a response time of less than 0.05 seconds, ensuring timely circuit switching to protect passenger safety. The flame-retardant shell (UL94 V-0 rating) can withstand high temperatures up to 120℃, effectively preventing fire risks. With an IP65 dustproof and waterproof rating and anti-oxidation treatment on contact pins, it can adapt to the harsh operating environment of elevator door machines, with a mechanical service life exceeding 10 million operations.
Usage Guide for Elevator Door Switch HKB-D
Correct installation, debugging, and maintenance of the HKB-D elevator door switch are crucial to ensuring the safe operation of the elevator door system. Nanjing Zhuye Elevatorparts emphasizes that only certified elevator maintenance technicians are allowed to perform installation and replacement operations to avoid safety hazards caused by improper operation.
1. Pre-Installation Preparation
First, confirm that the elevator’s MAC car lighting controller model matches the POWCV24181MH power supply (check parameters such as input voltage, output voltage, output current, and installation dimensions). Consult Nanjing Zhuye Elevatorparts’ technical team if there is any uncertainty about compatibility. Then, cut off the elevator’s main power supply and the secondary power supply for the car lighting system, lock the switch, and place a “Maintenance in Progress” warning sign at the elevator landing doors and machine room entrance. Locate the power supply installation position (usually on the car top or in the car control cabinet) and clean the area to remove dust, debris, and oil stains. Finally, prepare professional tools such as a screwdriver, wire stripper, multimeter, and insulation tester, and check that the new POWCV24181MH power supply from Nanjing Zhuye Elevatorparts is intact (no damage to the shell, no loose pins).
First, confirm that the elevator door system model matches the HKB-D door switch (check parameters such as installation dimensions, contact type, rated voltage, and rated current). Consult Nanjing Zhuye Elevatorparts’ technical team if there is any uncertainty about compatibility. Then, cut off the elevator’s main power supply and door machine power supply, lock the switch, and place a “Maintenance in Progress” warning sign at the elevator entrance. Fix the elevator door in a closed state with wooden wedges to prevent accidental movement. Finally, prepare professional tools such as a screwdriver, wrench, multimeter, and anti-static gloves, and clean the switch installation area on the door machine to remove dust, debris, and oil stains.
2. Installation & Wiring
2. Installation & Wiring
Locate the original door switch position on the elevator door machine and take photos to record its installation direction, fixing method, and wiring connections for later reference. Disconnect the wires from the old switch according to the recorded labels and remove the old switch. Take the new HKB-D door switch from Nanjing Zhuye Elevatorparts, install it on the preset bracket, and fasten it firmly with screws. Ensure the switch’s actuator is correctly aligned with the door’s trigger mechanism (e.g., door slider or cam) to ensure accurate triggering during door opening and closing. Connect the wires to the corresponding terminals strictly following the photos and the wiring diagram provided by Nanjing Zhuye—distinguish between power wires, signal wires, and ground wires to avoid wrong connection. After wiring, use a multimeter to test the contact on-off performance to confirm the switch works normally.
3. Usage & Daily Maintenance
Remove the wooden wedges fixing the elevator door, restore the power supply, and switch the elevator to inspection mode. Operate the elevator door to open and close repeatedly, observing whether the HKB-D door switch is accurately triggered and the door machine operates smoothly without jitter or clamping. Check the elevator’s control panel—there should be no fault alarms related to the door switch. After 1 hour of stable operation, check the switch’s temperature and wiring terminals (no abnormal heat or loose wires). For daily maintenance, inspect the switch during weekly elevator patrols: Check if the actuator is flexible, the shell is intact, and the wiring terminals are tight and free of oxidation; clean the switch surface and actuator with a dry cloth. Every 3 months, recheck the contact on-off performance and trigger position; every 6 months, inspect the fixing screws and adjust the actuator position if necessary.
Replacement Cycle of Elevator Door Switch HKB-D
The replacement cycle of the HKB-D elevator door switch is closely related to operating frequency and the working environment of the door machine. Under normal circumstances (elevator daily operation 12-24 hours, door opening and closing times ≤ 1500 per day, dry and low-dust environment), Nanjing Zhuye Elevatorparts recommends a replacement cycle of 2-3 years. This cycle is determined based on long-term field operation data and component aging tests, fully considering the wear of contact points, fatigue of the actuator, and aging of the internal spring.
For elevators in high-traffic areas (e.g., large shopping malls, airports with daily door opening and closing times ≥ 2000) or harsh environments (high humidity, heavy dust, large temperature fluctuations), the replacement cycle should be shortened to 1-1.5 years. High-frequency triggering accelerates contact wear and actuator fatigue, while harsh environments cause component corrosion. For low-usage elevators (e.g., villa elevators, small office buildings with daily operation time < 8 hours) in stable environments, the cycle can be extended to 3-4 years, but only after inspection and confirmation by Nanjing Zhuye’s technicians that the switch’s performance meets standards.
Replace the door switch immediately if any of the following issues occur, regardless of its service life: The switch fails to trigger or is triggered incorrectly, causing the elevator door to fail to open/close or clamp passengers; the contact points are severely oxidized or burned, resulting in unstable circuit connection; the actuator is stuck or deformed, unable to return to its original position; the shell is severely damaged or corroded, losing protective performance; the switch causes frequent elevator door system fault alarms, and the fault cannot be eliminated after adjustment.
The Elevator Door Switch HKB-D from Nanjing Zhuye Elevatorparts integrates high reliability, durability, and strong compatibility, providing a critical safety guarantee for elevator door systems. By following the correct usage, maintenance, and replacement guidelines, you can effectively reduce elevator door faults, protect passenger safety, and extend the service life of the entire door system. Choosing Nanjing Zhuye Elevatorparts means you get 100% authentic HKB-D door switches, as well as professional services including model matching, on-site installation guidance, and timely after-sales support. Trust Nanjing Zhuye Elevatorparts for the stable and safe operation of your elevator.
