MTL5025 Hazardous Area Switch Controller - MTL Instruments

MTL5025 Hazardous Area On/Off Driver

The MTL5025 from MTL Instruments provides reliable control of hazardous area devices from safe area switches or voltage changes. This single-channel interface drives intrinsically safe low-power loads and non-energy-storing apparatus like LEDs. 

Key Technical Specifications

• Brand: MTL Instruments
• Model: MTL5025
• Product Type: Hazardous Area On/Off Driver
• Channels: One channel
• Output Current: 45mA maximum
• Input Voltage: 20 to 35V DC
• Status Indicator: Yellow LED for operational status

Hazardous Area Certification

• Load Location: Zone 0, IIC, T4-T6 hazardous area
• Division Rating: Division 1, Group A hazardous location
• The MTL5025 maintains intrinsic safety for connected loads
• It enables safe control of devices in explosive atmospheres

Output Performance

• Minimum Output Voltage: 8.6V at 45mA
• Maximum Output Voltage: 24V from 269Ω
• Current Limit: 45mA maximum for safety
• Output Terminals: Terminal 1 (Output –ve), Terminal 2 (Output +ve)
• Suitable for intrinsically safe low-power loads and LED indicators

Power Requirements

• Input Voltage: 20 to 35V DC operating range
• Current Consumption: 90mA at 24V with 45mA output
• Maximum Consumption: 110mA at 20-35V DC
• Power Dissipation: 1.6W at 24V
• Maximum Dissipation: 2.0W at 35V
• Supply Terminals: Terminal 11 (Supply –ve), Terminal 12 (Supply +ve)

Safety Parameters

• Safety Voltage: 25V maximum
• Internal Resistance: 269Ω
• Safety Current: 93mA maximum
• Isolation Voltage: Um = 250V rms or DC
• Comprehensive protection for hazardous area operation

Frequently Asked Questions

• What type of loads can the MTL5025 drive?
  It drives intrinsically safe low-power loads and non-energy-storing apparatus like LEDs.
• What is the maximum output current?
  The output is current limited to 45mA for safety compliance.
• What is the minimum output voltage?
  It provides a minimum of 8.6V at 45mA for connected devices.
• What hazardous areas is this certified for?
  It carries certification for Zone 0, IIC, T4-T6 and Division 1, Group A areas.