TAU-0420 Electromagnetic Lock Linear Solenoid DC 12V
High-Power Electric Lock for Access Control Systems
The TAU-0420 is a DC 12V electromagnetic linear solenoid lock, designed to provide reliable locking for access control, security systems, and automation projects. It draws 0.85A to 1.8A and delivers strong holding force for various applications.
HighHolding Force Provides 2,200 lbs of holding power for robust security
12V DC Operation - Compatible with common security system power supplies
Operating voltage is DC 12V with current draw 0.85A to 1.8A
Magnetic locks are generally fail-safe and release when power is cut [citation:3][citation:11]
Avoid energizing the coil for extended periods (<5s recommended to prevent overheating)
Technical Specifications
| Parameter | Value |
|---|
| Model | TAU-0420 |
| Voltage | DC 12V |
| Current Draw | 0.85A to 1.8A |
| Type | Linear Solenoid Lock |
| Operation | Fail-safe (unlocks when power removed) |
= Key Features =
Strong Holding Force 2,200 lbs capacity for heavyduty applications
12V DC Operation - Standard voltage for security systems
Low Power Draw - Efficient 0.85A to 1.8A consumption
Quick Release - Instant unlocking when power removed
Low Maintenance - Few moving parts compared to mechanical locks
= Applications =
- Door access control systems
- Security gates and barriers
- Cabinet and enclosure locks
- Automation and industrial control
- Smart home locking systems
Versatile Use - Works with security panels and controllers
Reliable Operation - Proven electromagnetic locking mechanism
√ Compatible with standard 12V power supplies
√ Use with keypads, card readers, or push buttons
√ Suitable for both inswing and outswing door configurations [citation:3]
Connection and Usage
Power connection:
- Connect to 12V DC power supply
- Polarity does not affect operation
- Use appropriate wire gauge for current draw
Operation principle:
- Lock engages when powered
- Door or gate is held securely
- Release when power is removed
- Instant unlocking for emergency exit [citation:3][citation:11]
Use a relay or transistor to control the lock from microcontrollers
Add a flyback diode across the solenoid to protect control circuits
Do not energize continuously for more than a few seconds
Troubleshooting
Lock not holding:
- Verify 12V DC power supply
- Check current draw meets specifications
- Ensure proper alignment with armature plate
Excessive heating:
- Reduce energizing time
- Use lower duty cycle operation
- Check for correct voltage supply
Door not locking:
- Ensure armature and electromagnet contact fully
- Remove any debris from contact surfaces
- Verify mounting is secure and aligned
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