Description
Ac contactor elevator accessories DILM9-01C DILM50C Brief Introduction
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Product Name |
Ac contactor elevator accessories |
| Model Number | DILM9-01C
DILM17-01C DILM25-01C DILM32-01C DILM38-01C DILM50C DILM65C DILA-22C DILA-22C DILM32C-XHI11-S DILAC-XHI20 DILM150C-XHI22 DILM1000C-XHI11-SI |
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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 AC Contactor DILM9-01C & DILM50C: Circuit Control Core from Nanjing Zhuye Elevatorparts
Elevator AC Contactors DILM9-01C and DILM50C are critical electrical control components for elevator systems, specifically designed to control the on/off of key circuits such as elevator traction motors, door operators, and lighting systems. As the “circuit switch” of elevators, DILM9-01C (with rated current 9A) is suitable for small-power circuits like door operators and auxiliary equipment, while DILM50C (with rated current 50A) is applied to high-power traction motor circuits. Both ensure stable circuit connection and disconnection, laying a solid foundation for the safe and efficient operation of elevators. Exclusively supplied by Nanjing Zhuye Elevatorparts (a professional and trusted distributor of high-quality elevator components), the Elevator AC Contactor DILM9-01C & DILM50C fully comply with international electrical safety standards (IEC 60947-4-1, GB 14048.4) and are compatible with mainstream elevator brands and control cabinet models. Featuring high breaking capacity, stable contact performance, and strong anti-interference ability, this contactor series provides reliable operational guarantees for elevators in residential buildings, commercial complexes, office towers, hospitals, and other scenarios worldwide.
Nanjing Zhuye Elevatorparts adheres to the core philosophy of “safety first, quality-oriented” and implements strict quality control over DILM9-01C and DILM50C AC contactors. Each contactor undergoes multi-stage pre-delivery inspections, including contact resistance testing, breaking capacity verification, insulation performance detection, and mechanical life trials. The products adopt high-quality silver alloy contacts, a high-strength thermoplastic shell, and an optimized electromagnetic coil design: the silver alloy contacts have low contact resistance (≤ 50mΩ) and excellent arc-extinguishing performance, avoiding contact burning due to large current; the thermoplastic shell has good flame retardancy (UL94 V0 rating) and insulation performance, adapting to the high-temperature environment in the control cabinet; the electromagnetic coil supports AC 220V/380V power supply (optional), ensuring stable suction and low noise during operation. Their standardized installation dimensions and terminal designs are tailored to match the dedicated mounting positions of compatible elevator control cabinets, eliminating the need for complex modifications and ensuring quick wiring.
Step-by-Step Usage Guide for Elevator AC Contactor DILM9-01C & DILM50C
To ensure the reliable operation of the elevator’s electrical control system and extend the service life of DILM9-01C and DILM50C contactors, follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for installation, wiring, and maintenance:
1. Professional Installation & Wiring
Installation must be performed by certified electrical technicians familiar with elevator control systems. Prior to installation, confirm the compatibility of the contactor model (DILM9-01C/DILM50C) with the target elevator’s circuit power and control cabinet space using the detailed compatibility manual provided by Nanjing Zhuye Elevatorparts. The steps are as follows:
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Safety Preparation: Cut off the elevator’s main power supply and control cabinet power supply, and hang a “Maintenance in Progress—Do Not Power On” sign. Open the control cabinet door and clean the contactor mounting area to remove dust, oil stains, and debris that may affect insulation performance.
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Contactor Installation: Fix DILM9-01C/DILM50C to the DIN rail in the control cabinet using the built-in clamping mechanism (no additional bolts required). Ensure the contactor is installed vertically (tilt angle ≤ 3°) and there is a 10–15mm heat dissipation gap between adjacent components. For DILM50C (high-power model), check that the mounting surface can bear its weight to avoid loosening due to vibration.
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Wiring Operation: According to the elevator control circuit diagram, connect the main circuit wires (power input/output) to the main contacts of the contactor: DILM9-01C uses 1.5–2.5mm² wires, and DILM50C uses 6–10mm² wires. Connect the control circuit wires (coil power supply, signal control) to the auxiliary contacts and coil terminals. Ensure the wiring is tight (use a torque wrench to confirm the tightening torque) and the wire insulation layer is not damaged. Mark the wire ends clearly to facilitate future maintenance.
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Post-Installation Testing: Restore the power supply and conduct comprehensive functional tests. Use a multimeter to detect the coil voltage (ensure it matches the rated voltage) and contact resistance. Operate the elevator in inspection mode to check if the contactor acts reliably (no jamming, clear suction sound) when the elevator starts, stops, or opens/closes doors. Verify that the main circuit current is within the contactor’s rated range. If there is poor contact, abnormal noise, or circuit tripping, recheck the installation and wiring immediately.
2. Daily Operation & Routine Inspection
Regular inspections are crucial to early detection of contactor faults and ensuring the safety of the elevator electrical system. Maintenance personnel should incorporate the following checks into their daily patrols:
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Daily Visual Inspection: During control cabinet inspections, check the external state of DILM9-01C/DILM50C. Ensure the shell is free of cracks, deformation, or discoloration (indicating overheating); the wiring terminals are tight with no looseness, oxidation, or burning marks; the indicator light (if equipped) works normally when the contactor is energized.
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Weekly Functional Check: Operate the elevator to run through all working conditions (start, stop, door opening/closing, emergency stop) and listen for abnormal noise (such as buzzing or sparking) from the contactor. Use an infrared thermometer to detect the surface temperature of the contactor (should be ≤ 60℃ under normal operation). Check the auxiliary contacts’ switching reliability through the control system’s fault diagnosis interface.
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Monthly Parameter Monitoring: Turn off the power supply and clean the contactor’s surface and vents with a dry, lint-free cloth to remove dust (dust accumulation affects heat dissipation). Use a multimeter to measure the contact resistance of the main contacts (should be ≤ 50mΩ) and the insulation resistance between the coil and the shell (should be ≥ 10MΩ). For elevators in harsh environments (high humidity, high dust), check the contactor for moisture or corrosion.
3. Regular Maintenance Schedule
Systematic maintenance can effectively extend the service life of DILM9-01C and DILM50C AC contactors. Follow Nanjing Zhuye Elevatorparts’ recommended maintenance plan:
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Quarterly Maintenance: Disconnect the power supply and remove the contactor from the DIN rail. Thoroughly clean the shell, contacts, and coil with a professional electrical cleaner. Inspect the silver alloy contacts for wear (replace if the wear depth exceeds 1mm) and the coil for aging (cracking or discoloration of the insulation layer). Reinstall the contactor and recheck the wiring tightness and contact performance.
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Semi-Annual Performance Test: Conduct a comprehensive performance test, including breaking capacity, contact bounce time, and coil suction force. Use a professional contactor tester to simulate rated current and short-circuit current conditions, verifying the contactor’s breaking reliability. For elevators in high-traffic areas (e.g., shopping malls, airports) or harsh environments (high temperature, strong electromagnetic interference), increase the test frequency.
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Annual Professional Overhaul: Arrange a professional inspection with Nanjing Zhuye Elevatorparts’ certified technical team. Replace the contactor if it shows signs of overheating, excessive contact wear, or reduced breaking capacity. Inspect the matching components (such as thermal overload relays) in the control circuit and replace them with genuine parts if necessary. Recalibrate the contactor’s control signal parameters to meet the original factory performance standards.
Recommended Replacement Cycle for Elevator AC Contactor DILM9-01C & DILM50C
As core electrical components bearing long-term current load, contact wear, and environmental erosion, DILM9-01C and DILM50C AC contactors have specified service lives. Timely replacement is critical to avoiding contactor failure (such as contact burning, coil burnout, or inability to switch), which may lead to elevator circuit failure, traction motor damage, or even sudden elevator shutdown.
1. Standard Replacement Cycle
Under normal operating conditions (elevator daily operation time 12–24 hours, no frequent overload operation, control cabinet temperature 0–40℃, humidity 10%–85%), the recommended replacement cycle for DILM9-01C (small-power model) is 2–3 years, and for DILM50C (high-power model) is 3–4 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field data, including contact wear tests, coil aging analysis, and actual operation feedback.
2. Adjustments for Special Scenarios
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Harsh Environments: For elevators in high-humidity coastal areas (moisture erosion), high-temperature control cabinets (temperature > 40℃ for a long time), or elevators with frequent start-stop (e.g., high-rise office buildings), the replacement cycle should be shortened to 1.5–2 years (DILM9-01C) and 2–3 years (DILM50C). Harsh conditions accelerate contact oxidation, coil aging, and shell deformation, significantly reducing the contactor’s reliability.
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Low-Frequency Use Scenarios: For elevators with low usage frequency (e.g., villa elevators, small office buildings with daily operation time < 8 hours) and well-ventilated, clean control cabinets, the replacement cycle can be extended to 3–4 years (DILM9-01C) and 4–5 years (DILM50C)—only if Nanjing Zhuye’s professional inspection confirms that the contactor’s contact performance, insulation resistance, and coil integrity are all intact.
3. Immediate Replacement Conditions
Replace DILM9-01C/DILM50C immediately if any of the following issues occur, regardless of service life:
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The main contacts are severely worn, burned, or welded (cannot be disconnected normally), leading to circuit failure or abnormal current.
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The coil is burned out (no suction when energized) or the insulation layer is damaged (risk of short circuit), confirmed by multimeter testing.
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The contactor has frequent jamming or abnormal noise during operation, and the fault cannot be eliminated through maintenance; the surface temperature exceeds 80℃ during operation (indicating overheating).
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The shell is severely cracked, deformed, or the insulation performance is reduced (insulation resistance < 1MΩ), posing electrical safety hazards.
In conclusion, the Elevator AC Contactor DILM9-01C & DILM50C supplied by Nanjing Zhuye Elevatorparts are high-quality, high-reliability electrical control components tailored for elevator systems. By following the correct usage methods, maintenance schedules, and replacement cycles, elevator maintenance teams can effectively ensure the stable and safe operation of the elevator’s electrical control system, reduce failure risks, and extend the service life of key elevator components. Choosing Nanjing Zhuye Elevatorparts means you get not only authentic DILM9-01C and DILM50C contactors but also professional technical support, including model matching guidance, installation advice, and prompt after-sales service.
