Description
MTL3021: Safe Control for Hazardous Area Devices
The MTL3021 lets you safely control devices in explosive areas from your safe area. Use a simple switch or voltage change to operate solenoids, alarms, or LEDs in Zone 0/Div 1 locations. Its isolated design allows flexible wiring and earth connections.
Technical Specifications
Brand: MTL
Model: 3021
Input Voltage: 20-35V DC
Max Input Current: 130mA
Output Voltage: 28V max (current limited at 65mA)
Output Ripple: <0.5% peak-to-peak
Response Time: 10ms to within 10% of final value
Power Consumption: 95mA typical at 24V
Power Dissipation: 1.9W typical at 24V
Hazardous Rating: Zone 0, IIC, T4-T6 / Div 1, Group A
Safety Parameters: Um=250V, Voc=28V, Isc=93mA
Internal Resistance: 300Ω
Fuse Rating: 200mA semi-time-lag
Unit Weight: 140g
Operating Temperature: -20°C to +60°C
Storage Temperature: -40°C to +85°C
Humidity Range: 0-95% non-condensing
Package Contents
1 x MTL3021 control interface unit. Fast shipping via FedEx, UPS, or DHL.
Warranty Coverage
12-month warranty against defects. Quality guaranteed.
Frequently Asked Questions
- What devices can the MTL3021 control?
It can drive solenoids, alarms, LEDs and other certified intrinsically safe loads. - Can I use a regular switch for control?
Yes, any switch or voltage change in the safe area can control the output. - What is the maximum output current?
The output is current limited at 65mA for safety. - Is earthing of field cables allowed?
Yes, the isolated design allows intentional or accidental earthing. - What input voltage is required?
It operates from 20-35V DC power supply.
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