MTL Instruments|MTL4016|Switch-Operated Relay Module
Description
The MTL MTL4016 is a switch-operated relay module designed for safe and reliable control in hazardous area applications, part of MTL's intrinsic safety solutions.
Features
- Simple switch input operation.
- Dual-channel relay output.
- Certified for hazardous environments.
Technical Specifications
Electrical Characteristics
- Supply voltage: 20–35 V DC.
- Power consumption: 1.6 W typical.
- Input switching threshold: 2.5 mA at 24 V.
- Relay contact rating: 250 V AC, 2 A or 40 V DC, 2 A.
Physical Dimensions
- Width: 16 mm.
- Height: 119 mm.
- Depth: 114 mm.
- Weight: 140 g.
Environmental Conditions
- Operating temperature: -20°C to +60°C.
- Storage temperature: -40°C to +80°C.
- Relative humidity: 5% to 95%, non-condensing.
- Ingress protection: IP20.
Performance Data
- Response time: ≤ 20 ms.
- Relay mechanical life: 10 million operations.
- Maximum switching frequency: 10 Hz.
- Contact resistance: ≤ 100 mΩ.
Safety and Certification
- Isolation: 250 V AC between input, output, and power.
- Safety integrity: SIL 2 capable per IEC 61508.
- ATEX certification: II (1) G [Ex ia] IIC.
- FM approval: Class I, Div 1, Groups A–D.
Mounting and Connection
- Mounting: 35 mm DIN rail.
- Terminal capacity: 0.5–2.5 mm².
- LED indication: Green for power, yellow for channel status.
MTL Instruments|MTL4016|Switch-Operated Relay Module

MTL Instruments|MTL4016|Switch-Operated Relay Module
Description
The MTL MTL4016 is a switch-operated relay module designed for safe and reliable control in hazardous area applications, part of MTL's intrinsic safety solutions.
Features
- Simple switch input operation.
- Dual-channel relay output.
- Certified for hazardous environments.
Technical Specifications
Electrical Characteristics
- Supply voltage: 20–35 V DC.
- Power consumption: 1.6 W typical.
- Input switching threshold: 2.5 mA at 24 V.
- Relay contact rating: 250 V AC, 2 A or 40 V DC, 2 A.
Physical Dimensions
- Width: 16 mm.
- Height: 119 mm.
- Depth: 114 mm.
- Weight: 140 g.
Environmental Conditions
- Operating temperature: -20°C to +60°C.
- Storage temperature: -40°C to +80°C.
- Relative humidity: 5% to 95%, non-condensing.
- Ingress protection: IP20.
Performance Data
- Response time: ≤ 20 ms.
- Relay mechanical life: 10 million operations.
- Maximum switching frequency: 10 Hz.
- Contact resistance: ≤ 100 mΩ.
Safety and Certification
- Isolation: 250 V AC between input, output, and power.
- Safety integrity: SIL 2 capable per IEC 61508.
- ATEX certification: II (1) G [Ex ia] IIC.
- FM approval: Class I, Div 1, Groups A–D.
Mounting and Connection
- Mounting: 35 mm DIN rail.
- Terminal capacity: 0.5–2.5 mm².
- LED indication: Green for power, yellow for channel status.