Gas Proving and Fan Interlock

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£275.51 ex VAT

£330.61 inc VAT

  • Buy
  • Service
  • Installation
  • Commissioning


  • Flexible Power Supply Options
  • Wall or Panel Mounting
  • Relay Outputs as Standard
  • 4-20mA Outputs as Standard
  • RS485 Modbus as Standard
  • Control up to 8 Devices as Gas Detectors or I/O Modules
  • LCD Display With Multi Colour Backlight, Flashes Red on Alarm, Flashes Yellow on Fault etc


Sensors Ltd offer the TOC-625 which is a multi-channel detector controller in an easily installed and implemented small format package.

The power for this unit is 24V DC, options are available for 110/230V AC panels.

The system can be used with any of the Tocsin Addressable range detectors or I/O modules providing maximum flexibility. The controller can be wall mounted or panel mounted and has a pump and duct mount options.

The controller has two SPCO relays as standard with three 4-20mA outputs and an RS485 Modbus interface.


  • Types of gases detected: Natural Gas (Methane)
  • Power: 24V DC
  • Outputs: 2 off SPCO Relays 4A Non-Inductive, 3 off 4-20mA Linear Outputs
  • Inputs: 8 off Addressable Series Detectors or I/O Modules
  • Display: 2 Lines x 8 Digit LCD Display Multi-Colour Backlight (Red-Alarm, Yellow-Fault, Blue-Normal)
  • Protection: IP54
  • Operating temperature: -5 to 55 Deg C
  • Operating humidity: 0-95% RH Non-Condensing
  • Sensor Warmup: 1 minute
  • CE declaration: 2004/108/EC, 2006/95/EC, EN61779-1:2000, EN50271:2001
  • Overall dimensions: 141mm (H) x 201mm (W) x 79mm (D)
  • Weight: 840g