Model:AP4021H
The AP4021H is a professional-grade high-security door lock system integrating IP54 protection with multi-layer safety features, specifically developed for industrial and commercial applications requiring stringent protection. Constructed with an eco-friendly #4 zinc alloy lock body and carbon steel fittings, it combines advanced surface treatment technologies to ensure exceptional durability and corrosion resistance.
**Key Advantages**:
1. **Enhanced Protection Design**:
- Glue-sealing process achieves IP54 rating for effective dust/water resistance
- Configurable with single-point, three-point or padlock options for varied security needs
2. **Premium Craftsmanship**:
- Matte/black painted lock body
- Blue-white zinc-plated accessories passing 24-hour salt spray test
3. **High-Performance Specifications**:
- 300N maximum static load
- ≤220N handle pull force
- ≤15N.m torque resistance
4. **Flexible Keying System**: Supports multiple key configurations (DK01/DK01S/DK12/DK29)

**Innovative Operation Mechanism** features a three-step process (insert key - lift handle - rotate 90° right) balancing security with user convenience. The precision cross-axis design incorporates pressure plates and cylinder holes for enhanced anti-picking performance.
Ideal Applications Include:
• Communication cabinets and power facilities
• Outdoor access control in harsh environments
• High-security industrial installations
By perfectly integrating protective performance, mechanical strength and intelligent operation, the AP4021H delivers a reliable security solution for professional users.
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