Description

Elevator operating box lock 301/7325/8325 Brief Introduction

Product Name	Elevator operating box lock
Model Number	301 7325 8325
Quality	Original.Brand New
Payment	T/T. Paypal. Western Union
Delivery	3-5 Working Days
Packaging	Packed by carton

8325: Secure Protection from Nanjing Zhuye Elevatorparts

Elevator Operating Box Lock 301/7325/8325 is a core security component for elevator control systems, covering three mainstream models (301, 7325, 8325) to meet the locking needs of different elevator operating boxes. These locks are mounted on the elevator car operating box and landing station control box, responsible for preventing unauthorized operation of elevator control buttons and parameters, ensuring the safe and stable operation of the elevator. Each model has unique advantages: Model 301 features a compact structure, suitable for small-sized operating boxes in residential elevators; Model 7325 adopts a double-lock core design, enhancing anti-theft performance for commercial complex elevators; Model 8325 supports universal key matching, facilitating unified management for high-rise building elevators. Widely compatible with mainstream elevator brands, these locks are essential security components for residential buildings, commercial centers, office towers, airports, and industrial elevators. Exclusively supplied by Nanjing Zhuye Elevatorparts, a professional provider of high-quality elevator security components, these Elevator Operating Box Lock 301/7325/8325 fully comply with international elevator safety standards (EN 81-20, GB 7588) and mechanical lock technical specifications. Manufactured with premium materials and precision craftsmanship, they feature excellent anti-prying performance, corrosion resistance, and long service life, earning recognition from global elevator maintenance teams and property management companies.

Nanjing Zhuye Elevatorparts adheres to the core philosophy of “Secure Locking, Reliable Protection” and implements rigorous quality control for the 301/7325/8325 elevator operating box locks. Each unit undergoes multi-stage pre-delivery inspections, including anti-prying performance testing, key matching accuracy verification, corrosion resistance detection, and service life evaluation. The locks adopt advanced materials and technologies: the lock core is made of high-strength copper alloy, with precision pin tumbler design to prevent technical unlocking; the lock body is made of stainless steel or cold-rolled steel sheet,经过 anti-rust galvanization or powder coating treatment to resist humidity and dust erosion in elevator cabs and shafts (-20℃ to 60℃); the key is made of high-carbon steel, with wear-resistant tooth profile processing. Models 301/7325/8325 all adopt standardized mounting hole designs, enabling seamless matching with corresponding operating boxes and simplifying installation and replacement processes. Additionally, Model 7325 is equipped with a tamper alarm interface, which can be connected to the elevator security system to enhance safety protection.

Step-by-Step Usage Guide for Elevator Operating Box Lock 301/7325/8325

To maximize the security performance, service life, and operational stability of the 301/7325/8325 elevator operating box locks, strictly follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for selection, installation, and use:

1. Professional Selection & Pre-Installation Preparation

Installation must be performed by certified elevator technicians or professional maintenance personnel. Prior to selection, refer to the elevator’s operating box model, usage scenario, and security requirements (consult Nanjing Zhuye Elevatorparts’ technical team if necessary): Choose Model 301 for small residential elevator operating boxes; Model 7325 for commercial elevators with high anti-theft needs; Model 8325 for high-rise buildings requiring unified key management. Preparation steps: Cut off the elevator’s main power supply and lock the power switch; place a “Maintenance in Progress” warning sign at the elevator entrance; clean the operating box lock mounting area to remove dust, oil stains, and debris.

2. Correct Installation & Key Matching

Lock Body Fixing: Take the matched 301/7325/8325 lock from Nanjing Zhuye Elevatorparts, align it with the mounting holes on the operating box door, and fix it with stainless steel bolts (torque: 25–35N·m). Ensure the lock body is tightly attached to the box door without looseness, and the lock tongue can extend and retract smoothly.
Key Matching & Testing: For Model 8325 (universal key type), follow Nanjing Zhuye Elevatorparts’ matching manual to pair the universal key with the lock core (each lock supports up to 10 key pairings). Insert the key into the lock core and rotate it 90 degrees clockwise to lock the operating box; rotate it counterclockwise 90 degrees to unlock. Test the locking and unlocking functions 5–10 times to ensure the lock tongue moves flexibly and the key is inserted and pulled out smoothly.
Auxiliary Function Installation (Model 7325): Connect the tamper alarm interface of Model 7325 to the elevator security system, ensuring the alarm is triggered immediately when the lock is pried or damaged. After connection, test the alarm function to confirm its normal operation.

3. Daily Use & Routine Maintenance

Correct Usage: Only authorized personnel (property management, maintenance technicians) can use the lock key. When unlocking, insert the key completely and rotate it gently to avoid damaging the lock core; after operation, lock the operating box firmly and pull out the key. Do not use excessive force to twist the key or knock the lock body.
Daily Inspection: Maintenance personnel should check the locks during daily patrols: Observe the lock surface for corrosion, scratches, or deformation; check if the key can be inserted and pulled out smoothly and if the locking/unlocking function is normal; for Model 7325, verify the tamper alarm function is intact.
Regular Maintenance: Every 3 months, apply a small amount of graphite lubricant (avoid oil-based lubricants that attract dust) to the lock core to ensure smooth operation. Every 6 months, check the tightness of the mounting bolts and retighten if necessary. Clean the lock surface with a soft, damp cloth to remove dust and stains.

Recommended Replacement Cycle for Elevator Operating Box Lock 301/7325/8325

As core security components enduring long-term key insertion/removal, environmental erosion (humidity, dust, temperature changes), and potential external impact, the 301/7325/8325 elevator operating box locks have a specified service life. Timely replacement is crucial to avoiding faults such as lock core jamming, key loss of function, or lock body deformation—issues that may lead to unauthorized operation of the elevator or inability to open the operating box during maintenance, affecting elevator safety and maintenance efficiency.

1. Standard Replacement Cycle

Under normal operating conditions (elevator daily operation time 12–24 hours, daily locking/unlocking times ≤ 50, environment temperature -20–60℃, humidity 10%–85%), the recommended replacement cycle for all three models (301/7325/8325) is 4–6 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field operation data, lock core wear tests, and global user feedback on elevator security components.

2. Adjustments for Special Scenarios

High-Frequency Use & Harsh Environments: For locks in high-traffic locations (e.g., large airports, central shopping malls) with daily locking/unlocking times ≥ 200, or in harsh environments (e.g., high-humidity coastal areas, high-dust industrial sites), the replacement cycle is shortened to2–3 years. Frequent use accelerates lock core wear, while harsh environments cause corrosion of the lock body and key.
Low-Frequency Use & Stable Environments: For locks in low-traffic scenarios (e.g., villa elevators, small office buildings with daily operation time < 8 hours) and stable environments (constant temperature and humidity), the replacement cycle can be extended to 6–8 years—only after Nanjing Zhuye Elevatorparts’ technicians inspect and confirm that the lock core sensitivity, key matching accuracy, and lock body integrity meet factory standards.

3. Immediate Replacement Conditions

Replace the lock immediately if any of the following issues occur, regardless of its service life:

The lock core is jammed, and the key cannot be inserted, pulled out, or rotated normally, and the fault persists after lubrication and maintenance.
The lock body is severely corroded, deformed, or cracked, affecting the locking function and unable to provide effective security protection.
The key is lost or damaged, and the lock core cannot be re-matched (Model 8325 excepted, which supports re-matching).
For Model 7325, the tamper alarm function fails, and professional maintenance cannot restore it, resulting in reduced security performance.

In conclusion, the Elevator Operating Box Lock 301/7325/8325 from Nanjing Zhuye Elevatorparts are high-quality, tailored security solutions for different elevator operating scenarios. By following the correct selection, installation, maintenance, and replacement guidelines, elevator management and maintenance teams can effectively ensure the security of the elevator control system, prevent unauthorized operations, and guarantee the safe and stable operation of the elevator. Choosing Nanjing Zhuye Elevatorparts means you get 100% authentic operating box locks, plus professional support—including model matching, on-site installation guidance, and prompt after-sales service. Trust Nanjing Zhuye Elevatorparts for the secure protection of your elevator system.

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