ETS MTDC-4 Four Door Access Control Door Interlock (Man Trap) Board
SKU
MTDC-4
Model No
MTDC-4
$215.63
Product Highlights
- Accepts 12-24Vdc and drives locks directly Current draw 4 Amps max
- NC door contact inputs
- Isolated NC door contact outputs
- Selectable Normally Open or Normally No Voltage Door Release Inputs
- Trigger Voltages input range of 5-24vdc, 5ma max current drain

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The ETS MTDC-4 is a sophisticated 2-4 door access control interlock board designed for enhanced security and effective management of access control systems. With the capability to work with multiple standalone or networked access control readers, this board ensures intelligent control over door releases, LED traffic signals, and emergency responses, making it a perfect choice for man trap environments.
ETS MTDC-4 Access Control Features
- Power Compatibility: Accepts 12-24Vdc and drives locks directly with a maximum current draw of 4 Amps, ensuring versatile power support for various locking systems.
- Door Contact Inputs: NC door contact inputs enhance security by monitoring the door states effectively.
- Isolated Outputs: Isolated NC door contact outputs improve system reliability and reduce interference from other electronic devices.
- Versatile Door Release Control: Selectable Normally Open or Normally No Voltage Door Release Inputs provide flexibility in installation according to user needs.
- Trigger Voltage Input Range: A wide range of 5-24vdc trigger voltages with a maximum current drain of 5ma ensures compatibility with various triggers.
- Auto Reset Fused Outputs: The auto re-settable fused lock voltage outputs enhance safety by preventing overloads.
- Lock Output Options: Normally No Voltage or Normally Voltage Lock Outputs with a maximum of 1amp offer customizable locking solutions.
- Traffic Light Signals: Integrated traffic light outputs help to manage user flow and indicate door statuses effectively.
- Pass Through Mode: Selectable pass through mode allows open facility access without requiring readers, accommodating busy environments.
- Fire Alarm Integration: NC or NNV fire alarm override input unlocks both doors and triggers traffic lights to flash alternately, ensuring safe egress during emergencies.
- Interlock Delay Timer: An adjustable 0-60 second interlock delay timer offers customizable security measures based on user requirements.
- Control Relay Output: Delay timer output relay can manage ventilation or other equipment during interlock delays, optimizing man trap safety and comfort.
ETS MTDC-4 Detailed Specifications
| Feature | Details |
|---|---|
| Power Input | 12-24Vdc |
| Maximum Current Draw | 4 Amps |
| Door Contact Inputs | NC |
| Outputs | Isolated NC outputs |
| Door Release Inputs | Selectable Normally Open or Normally No Voltage |
| Trigger Voltage Input Range | 5-24vdc, 5ma max current drain |
| Fused Lock Voltage Outputs | Auto re-settable |
| Lock Outputs | Normally No Voltage or Normally Voltage, 1amp max |
| Traffic Light Outputs | Yes |
| Pass Through Mode | Selectable |
| Fire Alarm Override | NC or NNV input |
| Interlock Delay Timer | 0-60 seconds adjustable |
| Control Relay Output | For ventilation or other equipment |
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