Holding solenoid WL4297

linearlockingtubular

Overview
A tubular pull solenoid pulls a plunger into a cylindrical coil when energized, producing linear motion. It consists of a cylindrical coil, a ferromagnetic housing, and a movable plunger (core). When current flows through the coil, a magnetic field forms and the plunger is pulled into the coil, producing straight-line motion. Tubular solenoids use a closed-type design that provides greater strength, stability and consistent performance compared with open-frame types, making them well suited for confined spaces and factory automation.

Key features and benefits

• Compact cylindrical body for protection against dust and mechanical damage
• Closed (tubular) design for stability and consistent magnetic circuit
• Available in multiple sizes and DC voltages (common options: 12 V, 24 V) for OEM and customized applications
• High force density and fast response suitable for motion control and industrial automation
• Low noise and energy-efficient operation; configurable (voltage, stroke, force) for specific needs

Applications

• Automation systems: actuating levers, valves, switches and precise linear movements
• Locking and access control systems (vending machines, electronic locks)
• Medical devices requiring precise linear motion
• Automotive: door locks, fuel system actuators, transmission-related controls
• Office equipment and printing machinery (copiers, printers)
• Packing, textile and small-design industrial equipment where space is constrained

Advantages and disadvantages
Advantages

• High force for compact size and efficient magnetic circuit
• Closed tubular structure protects internal parts from dust and moisture, improving longevity
• Fast linear response suitable for high-speed equipment and repetitive automation tasks
• Configurable (voltage, stroke, duty cycle) for a wide range of industrial uses

Disadvantages

• Force decreases as stroke increases — less effective for very long-stroke applications
• Continuous operation generates heat; duty cycle and cooling must be managed for long runs
• Requires continuous power while energized (unless latching types are used) and limited to linear motion only

Troubleshooting & maintenance (common faults and remedies)

• No movement: check power supply and voltage, inspect wiring/cables and connections, measure coil resistance to detect open coil, verify control signals.
• Weak pulling force: ensure correct voltage/current, shorten stroke or choose higher-force model, reduce air gap, verify alignment.
• Overheating: respect rated duty cycle, add ventilation/cooling, confirm correct voltage, consider continuous-duty model if needed.
• Slow response: stabilize power supply, clean/inspect for friction or dirt, check/replace return spring, replace degraded coil if necessary.
• Noise/vibration: tighten mounting hardware, correct alignment, replace worn internal parts; for AC hum consider DC or rectification.
• Plunger jam/stick: clean contaminants, apply appropriate lubrication if design allows, remove side loads and correct alignment, replace damaged parts.
• Intermittent operation: check for loose electrical connections, unstable power, faulty control signal or partially defective coil.
• Coil burnout: ensure correct rated voltage and duty cycle, improve heat dissipation, replace defective solenoid.
• Preventive maintenance tips: regular inspections and cleaning, verify voltage and duty cycle, confirm parts alignment, use protective housing in harsh environments.

Guide to selecting a tubular pull solenoid
1) Define mechanical needs: required force (apply safety factor, typically 1.5×) and stroke (note force falls with longer strokes).
2) Match electrical supply and duty cycle: choose appropriate DC voltage (6 V / 12 V / 24 V common); select solenoid rated for intermittent or continuous duty as required.
3) Consider environmental conditions and durability: choose IP rating and high-temperature insulation if needed; select corrosion-resistant materials for harsh environments.
4) Ensure physical integration: confirm size, mounting method and thread options fit the installation.

Technical specifications

• Brand: Weilong Technology
• Model Number: WL4297
• Rated Voltage (V): DC 12 V or 24 V
• Rated Power (W): 80—150 W
• Work Model: Tubular Pull Push Type
• Holding Force: 2.45 kgs (as specified)
• Stroke (mm): 5–10 mm
• Reset Time (s): 0.1 s
• Service Life: 300,000 cycles
• Certification: CE, ROHS, ISO9001
• Material: Carbon Steel Housing with Zinc Plated Coating
• Lead Wire Length (mm): 200 mm
• Install Style: Adjustable Screw and Cap
• Tolerance of Dimension: +/- 0.1 mm
• Water-proof: None (no waterproof rating specified)
• Insulation Class: F
• Hi-Pot Test: AC 600 V 50/60 Hz 2 s
• Non-excitation Holding Force: 0
• Working Temperature: -10°C to 100°C
• Duty Cycle: 1–100%
• Thread Depth (mm): /
• Payment Term: TT, or LC At Sight
• Sample Order: Yes
• Warranty: 1 Year
• MOQ: 1000 pcs
• Supply Ability: 5000 pcs per Week
• Delivery Time: 30 Days
• Port of Loading: Shenzhen