ZKTeco SRB Security Relay Box
The ZKTeco SRB (Security Relay Box) is a compact, cost-effective, and highly secure single-door controller designed to enhance access control. It works as a value-added accessory to ZKTeco’s standalone access control devices by receiving encrypted Wiegand signals and controlling the door lock. With its secure communication design, it provides an extra layer of safety against tampering attempts.
Key Features
Enhanced Security
Uses encrypted Wiegand signals from ZKTeco devices to securely control locks.Compact & Reliable Design
Small footprint (50 × 40 × 17mm) with simple installation for any door environment.Flexible Lock Control
Supports electric locks, exit buttons, and configurable lock delay settings.Easy Integration
Compatible with ZKTeco standalone access control devices with Wiegand output.Energy Efficient
Low power consumption at only 60mA (12V DC).
Specifications
| Feature | Specification |
|---|---|
| Brand | ZKTeco |
| Model | SRB (Security Relay Box) |
| Indicators | 2 LED status indicators |
| Relay | 1 built-in relay |
| Reader Support | ZKTeco standalone devices with Wiegand output |
| Input Format | Encrypted Wiegand |
| Output Contact | Electric lock, Exit button |
| Lock Control Delay | Default 5s (Configurable via fingerprint reader/software) |
| Power Supply | 12V DC, 60mA |
| Operating Temperature | 0°C – 70°C |
| Operating Humidity | 10% – 90% |
| Dimensions | 50 × 40 × 17 mm |
| Weight | Lightweight, compact |
| Warranty | 1 Year |
Why Choose ZKTeco SRB
Provides tamper-proof security between lock and reader
Works as a cost-effective single-door controller
Compact, lightweight, and easy to install
Compatible with multiple ZKTeco standalone readers
Ensures door safety with encrypted communication
QUICK LINKS
Hikvision – Value Series Face Access Terminal – DS-K1T321MFWX
Hikvision- Fingerprint Access Control Terminal – DS-K1T904AMF
Hikvision- Face Recognition Terminal – DS-K1T342MFX-E1(O-STD)
Hikvision – Accessory Kit for Access Control Terminal – DS-KAS-7M01(O-STD)




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