EP212 Relay Output Expansion Board
The C-TEC EP212 is an optional system expansion device designed for use with the EP203 three zone automatic extinguisher panel. It mounts inside the EP203 panel and provides five volt free relay contacts for key extinguishant system status and control functions, making it easier to interface the panel with external monitoring, indication or control equipment.
The five relay outputs cover reset, mode, discharged, hold and abort conditions. This allows the EP203 system to communicate important operational states to other parts of the installation, supporting wider system integration in gas suppression and extinguishing applications.
Compact in size and built for internal panel mounting, the EP212 provides a practical way to expand the functionality of an EP203 panel without complicating the overall system layout. Its single pole changeover contacts are rated at 1A 30V DC and are intended for low-voltage switching applications only.
Main Features
- Optional relay output expansion board for the EP203 three zone automatic extinguisher panel
- Mounts inside the EP203 panel for neat and integrated installation
- Provides five volt free relay contacts
- Outputs available for reset, mode, discharged, hold and abort conditions
- Supports wider system integration with external equipment
- Single pole changeover contacts rated at 1A 30V DC
- Compact design for internal control panel mounting
- Suitable for low-voltage switching applications only
Relay Output Functions
Reset Relay
Switches during the panel’s reset cycle, allowing connected equipment to respond whenever the EP203 is reset.
Mode Relay
Switches when the extinguishant system’s mode is changed to manual, providing a clear output for external monitoring or indication.
Discharged Relay
Switches when a released flow switch input is received, such as from the extinguishant pipework, to indicate that extinguishant has been released.
Hold Relay
Switches when a hold input is received at the panel. If the panel is in second stage alarm, the extinguishant release sequence is halted.
Abort Relay
Switches when an abort input is received at the panel to cancel the extinguishant release sequence.
Technical Specifications
| Specification | Details |
|---|---|
| Product | Output Expansion Relay Board |
| Part Number | EP212 |
| Application | Optional system expansion device for use with the EP203 three zone automatic extinguisher panel |
| Relay Outputs | 5 volt free relay contacts: reset, mode, discharged, hold and abort |
| Contact Type | Single pole changeover contacts |
| Contact Rating | 1A 30V DC |
| Usage Warning | Do not use to switch mains voltages |
| Dimensions | 70 W x 160 H x 22 D mm |
| Weight | 62 g |
Why Choose the EP212?
The EP212 is a practical accessory for projects requiring additional interface points from a C-TEC EP203 extinguishing panel. By providing five dedicated volt-free relay outputs for key operating states, it helps system designers and installers create more flexible and better integrated gas suppression solutions.
Whether you need to monitor reset status, manual mode, discharged confirmation, hold condition or abort operation, the EP212 offers a clean internal expansion option that fits directly within the EP203 enclosure and extends the panel’s connectivity in a professional way.