Brief Product Description

The MTL 8910-PS-DC is a high-reliability DC-DC regulated power supply module designed exclusively for the Eaton MTL8000 series remote I/O system. It accepts a wide 18.5–36VDC input and provides stable 12VDC @ 4.9A isolated output for powering MTL8000 I/O racks, field transmitters and control circuitry. Featuring high isolation voltage, built-in surge suppression and wide temperature tolerance, this compact rack-mount power module ensures clean, noise-free power for safety-critical industrial automation systems and supports redundant power configuration for maximum operational availability.

Core Product Functions

• Wide-range DC input (18.5–36VDC) compatible with standard 24VDC industrial plant power systems
• Stabilized 12VDC regulated output with ±5% precision to power MTL8000 series I/O modules and field instruments
• High isolation protection with 720VDC continuous isolation to block common-mode noise and transient voltage surges
• Supports 1:1 redundant power configuration for bumpless automatic switchover during single module failure
• Built-in over-current, over-voltage and short-circuit protection to safeguard I/O racks and field devices
• 7ms power hold-up time ensures stable operation during brief input power fluctuations
• Low electromagnetic interference design compliant with industrial EMC standards for harsh process environments
• Standard rack mounting compatible with MTL 8711-CA-NS and 8712-CA-NS node service carriers

• Continuous self-monitoring of input voltage, output load and internal circuit status for fault prevention

Application Scenarios

• Oil & gas onshore and offshore platform remote I/O power distribution systems
• Petrochemical and refinery process control cabinet power backbone solutions
• Chemical plant safety instrumented systems (SIS) and fire & gas monitoring equipment
• Power generation plant auxiliary control and turbine monitoring I/O racks
• Water treatment and industrial automation distributed I/O power supply systems
• Redundant power backup for critical loop control in high-reliability industrial sites
• Replacement spare power module for existing MTL8000 series system maintenance and upgrade

FAQ (Frequently Asked Questions)

• Q: No 12VDC output after power on, module fails to operate?
  A: Check input voltage within 18.5–36VDC range, loose rack mounting contacts, overloaded output load or internal circuit protection lockout.
• Q: System reports unstable I/O communication and fluctuating sensor data?
  A: Inspect insufficient power capacity, poor grounding, EMI interference or degraded power module output stability.
• Q: Does MTL 8910-PS-DC support hot swapping during system operation?
  A: Hot swap is supported for redundant power configurations; single power modules require power-off replacement to avoid system downtime.
• Q: Can multiple modules be paralleled for redundant power supply?
  A: Yes, it supports 1+1 redundant parallel operation to ensure uninterrupted power supply for critical control racks.
• Q: Module overheats and triggers protection shutdown during long-term operation?
  A: Check excessive load current, blocked cabinet ventilation, high ambient temperature or aging internal components.

• Q: Is this module still available for new industrial control projects?
  A: It is a mature legacy industrial power module, widely available as original and refurbished spare parts for MTL8000 system maintenance.

Click to download the instruction manual

8910-PS-DC.pdf