Mini Electromagnetic Solenoid Lock DC 5V 12V Open Frame Electric Bolt

Mini Open Frame Push-Pull Electromagnetic Solenoid Lock

Looking for a compact, reliable electric bolt lock for your automation project or shared device setup? This ultra-small open-frame push-pull electromagnet (Model LY-011D) delivers stable, consistent performance in a remarkably tiny form factor. Built with a pure copper wire coil and a high-quality iron stamped shell, it's engineered for durability in demanding applications.

Key Features

• Ultra-compact design: Dimensions of just 15.7mm × 8.3mm × 10mm — fits easily in tight spaces inside cabinets, enclosures, and automation equipment
• Dual voltage compatibility: Operates at DC 5V (1A) or DC 12V (0.42A) — versatile enough for a wide range of electronic systems
• Power-on unlock / Power-off lock: Simple, intuitive working mode for integration into automated control systems
• Pure copper wire coil: Ensures stable electromagnetic performance and long service life
• High-quality iron stamped frame: Robust open-frame construction for secure mounting and consistent bolt actuation
• 4mm extension stroke: Reliable push-pull bolt action for securing and releasing mechanisms with precision
• Lightweight & durable: Ideal for repeated cycling in shared devices, access control panels, and DIY electronics projects

Technical Specifications

Important Usage Note

To protect the lock and ensure long-term performance, keep each unlock cycle within 0–3 seconds. Prolonged energized operation can cause the coil temperature to rise, which may reduce the lock's lifespan or cause damage. Always use within the recommended duty cycle.

Applications

• Shared-use equipment and dispenser machines
• DIY automation and robotics projects
• Cabinet and enclosure access control
• Electronic bolt mechanisms and smart home integrations
• Vending machines, lockers, and access panels

What's in the Box

• 1 × Mini Open Frame Electromagnetic Solenoid Electric Bolt Lock (LY-011D)

For general guidance on electrical safety when working with low-voltage DC components, visit OSHA's Electrical Safety Resources.

Frequently Asked Questions

Q: What voltages does this mini electromagnetic solenoid lock support?

A: This electric bolt lock is compatible with both DC 5V at 1A and DC 12V at 0.42A, making it suitable for a wide variety of electronic control systems, microcontroller projects (such as Arduino or Raspberry Pi), and automation equipment.

Q: How does the power-on unlock / power-off lock mode work?

A: When electrical power is applied to the solenoid coil, the electromagnetic force retracts the bolt, unlocking the mechanism. When power is cut, the spring returns the bolt to the locked position. This "fail-secure" behaviour is ideal for controlled access applications where the lock should remain engaged without power.

Q: Why is there a recommended 0–3 second unlock time limit?

A: The solenoid coil generates heat when energized. Limiting each energized cycle to 0–3 seconds prevents excessive heat build-up that could damage the copper coil winding or reduce the lock's operational lifespan. For applications requiring longer open durations, consider using a holding-current controller or a reduced-voltage hold circuit.

Q: What are the physical dimensions of this mini electric bolt lock?

A: The lock body measures 15.7mm (L) × 8.3mm (W) × 10mm (H) with a 4mm bolt extension stroke — one of the smallest electromagnetic lock form factors available, ideal for space-constrained installations inside panels, cabinets, or custom enclosures.