MTL7700 Din-Rail Mounted Barrier
Known for its quality and reliability, the MTL7700 range of intriniscally safe passive network devices use Zener diodes, resistors and fuses to safely divert excess electrical energy to ground and prevent sparking or overheating of equipment in hazardous areas. Helping to ensure a safe work environment and protects those nearby from explosion risks.
As a DIN rail mounting barrier, the MTL7700 provides quick and easy installation without the need for special hardware. Removable terminals are used for ease of installation, maintenance and for providing a loop disconnect by simply unplugging the terminals from the side of the module. Wire entry is also angled to assist wiring within limited space enclosures.
MTL7700 barriers clamp simply and securely onto standard T-section DIN rail, simultaneously making a reliable IS earth connection.
For applications where field power is required for switch inputs or 2-wire transmitters, the MTL7700 range provides a bussed power feed facility. When used in conjunction with the MTL7798 power feed module the user has a fully protected, electronically fused supply to many barriers with no additional wiring required.
ATEX & IECEx approved
- Zone 0 Group IIC & IIIC outputs
- Zone 2 mounting
- T4 temperature classification
- Certified for -20°C to +60°C
- IECEx Australia
FM approved
- Class I, II & III Div 1 outputs
- Zone 0 Group IIC outputs
- Class I Division 2 mounting
- Class I Zone 2 mounting
- T4 temperature classification
- Certified for -20°C to +60°C or 65°C
UL approved
- Class I, II & III Div 1 outputs
- Class I Div 2 mounting
- Class I Zone 2 mounting
- T4 temperature classification
- Certified for -20°C to +60°C
CSA approved (US and Canada)
- Class I, II & III Div 1 outputs
- Zone 0 Group IIC & IIIC outputs
- Class I Division 2 mounting
- Class I Zone 2 mounting (US Only)
- Zone 2 mounting
- T4 temperature classification
- Certified for -20°C to +60°C or 65°C
CE marked for compliance with LVD, EMC, ATEX and RoHS Directives
Other approvals
- Marine (Lloyds Register)
- Korea (KOSHA)
- India (PESO)
- Brazil (UL InMetro)
- China (NEPSI & CCC)
- Japan(TIIS)
Approvals held and approval details vary between models. Please refer to certificates for specific details
Design features
- Removable terminals
- Bussed power feed to other modules
- Relay and solid state switch modules
- Dual channel variants – 6.3mm per channel
- Proximity detector inputs
- Electronic fusing
- Direct replacement for MTL700 range barriers
- Compatible terminal numbering and safety descriptions
| Product Code | Type | Specification |
| MTL7756ac MTL7760ac |
Analogue input (low-level) | Resistance temperature detectors Thermocouples, ac sensors |
| MTL7706+ MTL7787+ |
Analogue input (high-level) | Transmitters, 2-wire, 4/20mA |
| MTL7728+ MTL7787+ |
Analogue output | Controller outputs, online line earthed Controller outputs, neither line earthed |
| MTL7787+ MTL7741/3 |
Digital (on/off) input | Switches |
| MTL7728 | Digital (on/off) output | Solenoids, alarms, LEDs |
