ZKTeco P1205-B3 Access Control Power Supply – Smart Access Control PSU with Battery Backup (Black)

The ZKTeco P1205-B3 Access Control Power Supply is a high-efficiency and reliable power solution designed specifically for modern door access control systems. It is engineered to support devices such as biometric readers, access controllers, electric locks, and electromagnetic bolts, ensuring stable and uninterrupted operation in both residential and commercial security installations.

Delivering a regulated 12V DC output with up to 5A current capacity, the ZKTeco P1205-B3 provides sufficient and stable power for multiple connected devices. Its built-in battery backup functionality ensures continuous operation during power failures, maintaining security even in critical situations.

Key Features

• 12V DC Stable Output (Up to 5A Capacity)
  Ensures smooth operation of access control devices.
• Wide Input Voltage Range (110–240V AC)
  Suitable for different electrical environments.
• Built-in Battery Backup Support
  Maintains system operation during power outages.
• Direct Electric Lock Control Output
  Reduces load on access controllers.
• Linear Voltage Regulation Technology
  Provides low ripple and stable output.
• Multiple Protection Systems
  Includes over-current, over-voltage, short-circuit, and thermal protection.
• Metal Enclosure Design
  Ensures durability and effective heat dissipation.

Reliable Power for Access Control Systems

The ZKTeco P1205-B3 is designed to deliver consistent and stable power to access control systems, ensuring reliable operation of connected devices such as fingerprint readers, door controllers, and electric locks. Stable voltage output is critical in access systems, as fluctuations can lead to malfunction or security risks.

This power supply ensures smooth performance, reducing system downtime and improving overall security reliability.

Integrated Battery Backup Functionality

One of the key advantages of the ZKTeco P1205-B3 is its built-in battery backup support. During power outages, the system automatically switches to backup battery power, ensuring that access control systems remain fully operational.

ZKTeco P1205-B3 feature is essential for maintaining security in buildings, offices, and restricted areas where continuous access control is required.

Efficient Electric Lock Control

The power supply is designed to directly control electric locks and bolts through signal inputs from access controllers or switches. This reduces the load on the main controller, improving system efficiency and extending controller lifespan.

ZKTeco P1205-B3 also simplifies wiring and enhances overall system safety by minimizing complex connections.

Advanced Protection & Safety Features

The ZKTeco P1205-B3 includes multiple built-in protection mechanisms to ensure safe and reliable operation:

• Over-Current Protection – Prevents damage from excessive load
• Over-Voltage Protection – Protects connected devices from voltage spikes
• Short-Circuit Protection – Ensures safe shutdown during wiring faults
• Thermal Protection – Prevents overheating during continuous use

These features ensure long-term reliability and reduce maintenance requirements.

Stable & Low-Noise Performance

Using linear voltage regulation technology, the ZKTeco P1205-B3 delivers low ripple and minimal noise output. This is especially important for sensitive access control devices such as biometric readers, where stable power directly impacts accuracy and performance.

The clean power output ensures consistent operation without interference or disruptions.

Durable Design with Heat Management

The unit is housed in a robust metal enclosure that enhances durability and provides excellent heat dissipation. Its design ensures reliable performance even under continuous operation and varying environmental conditions.

With an operating temperature range of -20°C to +60°C, it is suitable for diverse installation environments.

Technical Specifications

• Model: P1205-B3
• AC Input: 110V 60Hz / 220V 50Hz
• DC Output: 12V DC
• Continuous Current: 3.5A – 4A
• Peak Current: 4A – 4.5A
• Over Current Protection: 4.5A @ 90V AC / 5.2A @ 230V AC
• Operating Temperature: -20°C to +60°C
• EMC Standard: EN55022 Class A
• Size: 212 × 168 × 71 mm
• Color: Black

Ideal Applications

• Door Access Control Systems
• Biometric Authentication Systems
• Electric Locks & Magnetic Locks
• Office & Commercial Security Systems
• Building Intercom Systems
• Residential Security Installations

Why Choose ZKTeco P1205-B3

The ZKTeco P1205-B3 is a dependable and efficient power supply unit designed for modern access control systems. Its stable output, battery backup capability, and advanced protection features make it a critical component for secure installations.

By reducing controller load, ensuring continuous operation during outages, and delivering clean power to sensitive devices, it enhances both system performance and security reliability. Whether used in offices, residential buildings, or commercial facilities, this PSU provides long-lasting and stable operation for access control infrastructure.

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