Linear solenoid WL4343

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Product Overview
The push-pull tubular solenoid WL4343 is a linear electromechanical actuator that converts electrical current into repeatable straight-line motion. It features a tubular housing, a coil and a movable plunger capable of both push and pull strokes. The tubular design improves magnetic efficiency, protects internal components and suits compact installations.

What is a Push Pull Tubular Solenoid?
An electromechanical device that generates linear force via a coil-induced magnetic field. Depending on the configuration the plunger can operate in push and pull directions. Common applications include automation, locking systems, vending equipment and other uses requiring precise linear motion in limited space.

Features

• Compact tubular design that saves space and protects internal parts
• High force-to-size ratio with efficient magnetic circuit
• Designed for both push and pull operation
• Available in common DC voltages (6 V, 12 V, 24 V) and customizable options
• Low power consumption in many configurations
• Durable carbon-steel housing with protective coating; some variants offer waterproofing
• Suitable for high-frequency operation when specified

Applications

• Industrial automation: sorting, packaging and robotic systems
• Locking mechanisms and smart locks
• Vending machines and kiosks (coin dispensing/handling)
• Automotive: actuation for fuel, locks and control valves
• Medical devices requiring precise fluid or mechanical control
• Office equipment: printers, copiers and scanners
• Any device needing compact, repeatable linear actuation

Advantages and Disadvantages
Pros

• Efficient closed magnetic circuit for effective force delivery
• Small footprint for space-constrained designs
• Tubular housing provides protection from dust and mechanical damage (for rated variants)
• Fast, precise and repeatable operation suitable for frequent cycles
• Simple construction with low maintenance requirements

Cons

• Limited stroke length compared with some other linear actuators
• Potential heating under long continuous duty or incorrect voltage selection
• Available force decreases as stroke length increases
• Requires correct voltage and duty-cycle selection to avoid performance loss or overheating
• Customization options may increase cost

Troubleshooting Guide (common problems and remedies)

• No movement: check power and wiring, verify voltage, measure coil continuity and replace if open
• Weak force: verify supply voltage stability, check stroke and alignment, inspect mounting
• Overheating: confirm duty cycle rating, use correct voltage, improve cooling or choose continuous-rated model
• Slow response: ensure adequate power, reduce friction or contamination in plunger path, replace weak return spring
• Noise or vibration: check installation tightness, eliminate supply ripple, replace worn components
• Plunger stuck/not returning: clean contaminants, replace damaged spring, correct misalignment
• Intermittent operation: inspect connections, ensure stable power, test/replace coil if faulty

Technical specifications

• Brand: Weilong Technology
• Model Number: WL4343
• Rated Voltage (V): DC 12 or 24 V
• Rated Power (W): 3 W
• Work Model: 1 Million Lifespan Cycles
• Holding Force (N): 300 Gf
• Stroke (mm): 3-5 mm
• Reset Time (s): 1 s / 3 s off
• Service Life: 300,000 cycles
• Certification: CE, ROHS, ISO9001
• Material: Carbon steel housing with zinc-plated coating
• Lead Wire Length (mm): 200
• Install Style: both sides with three mounting screw holes for easy setup
• Tolerance of Dimension: +/- 0.1 mm
• Water-proof: None (some variants may be offered separately)
• Insulation Class: F (150 °C)
• Hi-Pot Test: AC 600 V 50/60 Hz 1 s
• Non-excitation Holding Force: 0
• Working Temperature: -10 °C to 100 °C
• Duty Cycle: 1-100% (model dependent)
• Payment Term: TT or LC at sight
• Sample Order: Yes
• Warranty: 1 year
• MOQ: 500 pcs
• Supply Ability: 5000 pcs per week
• Delivery Time: 30 days
• Port of Loading: Shenzhen