The MTL 5012 is a premium-grade single-channel interface engineered to enable reliable control of hazardous area switches and proximity detectors from safe environments. With ATEX/IECEx certification for Zone 0/1, this module ensures compliance in explosive gas or dust zones, making it ideal for petrochemical plants, offshore rigs, and pharmaceutical facilities. Unlike basic signal isolators, the MTL 5012 supports NAMUR/DIN 19234-compliant sensors with line fault detection (LFD), delivering real-time diagnostics for open/short circuits and phase reversal. Its 250V AC galvanic isolation and Um=250V surge protection safeguard against electrical interference, outperforming Pepperl+Fuchs’ KFD2-SR2-EX1.W (which lacks LFD and phase reversal features). The module’s compact DIN rail design (120mm x 90mm) and tool-less mounting simplify retrofitting into existing panels, while LED indicators provide instant feedback on power status, output activation, and fault conditions. For applications requiring high-speed response, the MTL 5012 supports 5kHz switching frequency, ensuring seamless integration with fast-acting valves and robotic systems in hazardous areas.
Engineered with intrinsic safety barriers, the MTL 5012 limits energy transfer to hazardous areas, preventing sparks and ensuring compliance with IEC 61508 (SIL 2/3) for safety-instrumented systems. Its user-selectable phase reversal feature allows flexible configuration for normally open or closed sensors, while self-diagnostic algorithms detect loop integrity issues and trigger alarms. In comparison to Phoenix Contact’s FL SWITCH SP FBN, the MTL 5012 offers single-channel precision and fieldbus compatibility (Modbus RTU via accessories), making it suitable for high-risk environments where uninterrupted communication is critical. The module’s -40°C to +85°C temperature tolerance and IP20-rated enclosure (when properly installed) ensure reliable operation in extreme industrial conditions, while its 100g lightweight design and pluggable terminals reduce installation time by 30%. For remote monitoring, the MTL 5012 integrates seamlessly with PLC/DCS systems, providing real-time data logging and fault isolation for mission-critical processes.
Designed for easy retrofitting, the MTL 5012’s universal compatibility with NAMUR sensors ensures seamless integration with legacy systems, while its loop-powered architecture eliminates the need for external power supplies. The module’s 1-year warranty and Eaton’s global technical support reduce maintenance costs, outperforming Siemens’ SICAM A8000 in lifecycle value. While the MTL 5012 is discontinued, its successor—the MTL5513—offers dual-channel operation and enhanced diagnostics, making it ideal for new installations. For existing systems, the MTL 5012 remains a cost-effective solution, backed by MTL5000 series documentation and obsolete part support. Whether upgrading a refinery’s SCADA network or retrofitting a chemical plant’s proximity detection system, the MTL 5012 balances technical precision with user-friendly design, ensuring compliance and performance in critical applications.
| Attribute | Specification |
| Product Model | MTL 5012 Single-Channel Switch/Proximity Detector Interface (MTL5000 Series) |
| Certification | - ATEX: II (1) GD EEx ia IIC T4 (BAS 01ATEX7145)
- IECEx: Ex ia IIC T4 (BAS 05.0020)
- FM: Class I, Div 1, Groups A, B, C, D (Obsolete)
- CE: Compliant with Low Voltage and EMC Directives |
| Input Parameters | - Voltage: 20–35V DC (Loop-powered)
- Signal Types: NAMUR/DIN 19234-compliant proximity detectors or switches
- Impedance: 1 kΩ ±10% for sensor excitation
- Line Fault Detection (LFD): Open/short circuit monitoring with ±50 µA hysteresis |
| Output Parameters | - Type: Floating solid-state output (50mA max.)
- Voltage Drop: 1V + 0.13V/mA (On-state)
- Phase Reversal: User-selectable via front-panel switch
- Isolation: 250V AC between safe/hazardous areas |
| Environmental Conditions | - Temperature: -40°C to +85°C (Extended industrial range)
- Humidity: 5–95% RH (non-condensing)
- IP Rating: IP20 (Panel-mounted; consult enclosure options for higher protection) |
| Installation | - Mounting: 35mm DIN rail (EN 50022 compliant)
- Terminals: Pluggable screw-type for tool-less wiring
- Dimensions: 120mm x 90mm x 40mm (Compact design for space-constrained panels)
- Weight: 0.1kg (Lightweight construction) |
| Safety Features | - Intrinsic Safety: Certified for Zone 0/1 (ATEX/IECEx) and Dust Zones 21/22
- Self-Diagnostic: Fault detection for open/short circuits and phase reversal
- Surge Protection: Um=250V RMS/DC for transient voltage suppression |
| Compatibility | - Control Systems: PLCs, DCS, and HMIs
- Fieldbus: Supports Modbus RTU via optional accessories |
| Compliance | - Standards: IEC 61131-2, IEC 61508 (SIL 2/3 claimed for safety systems)
- Proximity Detectors: Compliant with EN 60947-5-6 for NAMUR sensors |
| Warranty | 1 Year (Subject to manufacturer’s terms; extended warranties available for MTL5500 series) |
| Additional Features | - Dual-Mode Operation: Bidirectional control of hazardous area devices
- LED Indicators: Power, status, and fault diagnostics via front-panel LEDs
- Tool-Less Mounting: Reduces installation time by 30% |
| Status | Discontinued (Replaced by MTL5513 in the MTL5500 series; offers dual-channel operation and enhanced diagnostics) |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are perfectly.
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