Eaton MTL4511 Hazardous Area Relay with LFD

Eaton MTL4511: Safe Control for Hazardous Areas

The MTL4511 lets you safely operate switches or sensors in Zone 0/Div1 hazardous areas. It detects wiring faults and works with NAMUR proximity detectors.

Key Technical Specs

• Brand/Series: Eaton MTL Series
• Model: MTL4511 (Full suffix: MTL4511-1)
• Input Type: NAMUR sensor or switch (7-9V DC)
• Relay Output: 0.5A, 35V DC (changeover contacts)
• Fault Detection (LFD):
  • Open-circuit: <50µA (alarm ON)
  • Short-circuit: <100Ω (alarm ON)
• Response Time: 10ms max
• Power Use: 25mA @ 24V DC

Safety & Certifications

• ATEX/IECEx: Zone 0, IIC, T6
• UL: Class I, Div 1, Groups A-D
• Safe Area Output: 35V DC max

What’s Included?

• MTL4511 unit
• Installation guide
• 12-month warranty

Fast Global Shipping

• FedEx Priority
• UPS Express
• DHL Worldwide

Common Questions

• Can it work with regular switches?
  Yes, but resistors are needed for LFD.
• What sensors are compatible?
  NAMUR proximity sensors (EN60947-5-6).
• How fast does it detect faults?
  Instantly – relay turns off in 10ms.
• Is it safe for hydrogen areas?
  Yes, IIC rating includes hydrogen.
• Can it drive large relays?
  No, max 0.5A – use an external relay for bigger loads.