Allen‑Bradley 80026-518-01-R Multi-Output DC/DC Switching Power Supply (Operator Panel & Control System Power Accessory)

Product Overview

Core Specifications

• Internal model: MOX720-P4668E
• Input: 42–58 VDC nominal 56 VDC wide-range DC input
• Output channels (7 total isolated outputs):
  • 5 VDC / 5 A for touchscreen, logic core, communication chips
  • ±15 VDC / 2 A for analog signal conditioning, encoder power
  • 24 VDC / 1 A for relays, indicator lamps, field small loads
• Isolation: 3000 VAC reinforced isolation between input and all output groups
• Efficiency: ≥90% high-efficiency switching topology, low heat generation
• Protection functions: Overvoltage (OVP), overcurrent (OCP), short-circuit auto-recovery, thermal shutdown
• Operating temperature: -40 ℃ ~ +70 ℃ full-load derating range
• Mounting: Panel chassis mounting via fixed mounting holes
• Terminals: Removable spring screw terminal blocks for input and all output groups
• Housing: Metal shielded enclosure for EMI suppression in high-noise industrial environments
• Weight: ~1.8 kg
• Certifications: UL, cUL, CE, RoHS compliant
• Part suffix "-R": Refurbished version; base model 80026-518-01 is new original unit

Main Functions

1. Step down 56VDC high-voltage bus power to three standard low-voltage DC rails required by PanelView operator panels and matching control hardware
2. Isolate each output group to eliminate cross-talk interference between HMI touch display, analog measurement circuits and field 24V loads
3. Provide stable clean DC power to operator panel touchscreen, backlight, logic board and communication ports to avoid screen flicker or communication dropout
4. Supply power to peripheral control components including analog signal modules, incremental encoders, small auxiliary relays and status indicators
5. Built-in full protection circuit automatically cuts off faulty output without crashing the entire operator panel system
6. Metal shielding suppresses electromagnetic noise from servo drives and inverters nearby, stabilizing HMI touch operation and data communication

Key Advantages

• All-in-one multi-rail design replaces three separate single-output power supplies, saving cabinet space and reducing wiring complexity for operator panel assemblies
• Ultra-wide 42–58 VDC input tolerates voltage fluctuations on industrial DC bus systems
• Reinforced isolation between input and outputs improves safety for touchscreen human-machine interfaces
• Wide temperature range supports outdoor, high-temperature workshop and enclosed cabinet installations
• Short-circuit auto-recovery design avoids frequent power cycle restarts after temporary field wiring faults
• OEM matched power source for Rockwell PanelView operator panels, fully compatible without voltage mismatch risks
• Metal shielded housing delivers strong anti-interference performance near high-power servo and drive equipment

Typical Applications